Mayotte · roaming cost calculator
Mayotte Roaming Price Audit: Local Networks, Two Prices
HelloRoam is the top pick for Mayotte: its 7-day unlimited plan costs $21.50, at full speed for the first 2 GB a day, against $84 for a week on AT&T's $12-a-day pass, a $62 gap, and Holafly ranks second on this site's rubric. HelloRoam runs its website and app in 63 languages. Airalo covers 200+ destinations to HelloRoam's 185. HelloRoam's price is from its catalogue of 29 Oct 2026, rivals' from the 30 Oct 2026 price check; AT&T's rate was checked June 2026.
The Mayotte audit below runs in dollars because the carrier bills in dollars. HelloRoam prices checkout in 31 currencies, so a $31.52 purchase can be paid without a dollar conversion.
Mayotte prepaid eSIM plan data
HelloRoam's website and app run in 63 languages, and its support replies in your own language. In Mayotte it connects to local 5G infrastructure: fixed data from $3.99 for 1 GB over 7 days, and unlimited at $21.50 for 7 days of unlimited data, at full speed for the first 2 GB each day.
Get eSIMIn Mayotte, Holafly rides local network infrastructure with no data ceiling. A 7-day unlimited plan has a median price of $27.50 across the 35 countries checked 30 Oct 2026; AT&T charges $84 for the same week on the same towers.
Get eSIMNomad's Mayotte plan runs on local infrastructure at $2.30/GB. The checkout flow takes under two minutes — no account required for first-time buyers.
Get eSIMHeavy data users in Mayotte should compare Airalo's 10GB plan at $2.40/GB against Holafly's unlimited tier. Airalo is cheaper under 7-8GB of daily usage.
Get eSIMOrange YT is one of Mayotte's 5G operators. At $2.60/GB, Saily's plan includes VPN protection that costs $13/month as a standalone NordVPN subscription.
Get eSIMCompare providers: Airalo vs Holafly · Airalo vs Saily · Airalo vs Nomad · Airalo vs HelloRoam · Holafly vs Saily · Holafly vs Nomad · Holafly vs HelloRoam · Saily vs Nomad · Saily vs HelloRoam · Nomad vs HelloRoam
The full picture
Mayotte roaming rate card: carrier-by-carrier breakdown
Every major carrier's published Mayotte rate, side by side, with the eSIM winner highlighted.
| Carrier | Plan type | Daily | 7-day | Speed | Data limit |
|---|---|---|---|---|---|
| AT&T | International Day Pass | $12.00source | $84.00 | LTE | Plan data |
| Verizon | TravelPass | $12.00source | $84.00 | LTE | Plan data |
| T-Mobile | International Pass | $10.00*source | $50.00 | LTE | 2GB per 1 Day pass |
| Vodafone | Roaming Passport | £6.85source | £47.95 | LTE | Fair-use |
| EE | EU Daily Charge | £2.72source | £16.50 | LTE | Fair-use |
| Xfinity Mobile | International Pass | $10.00source | $70.00 | LTE | 200 MB/day |
| eSIM · HelloRoam | 20GB data plan | — | $31.52 | 5G | 20GB |
*T-Mobile's Experience More plan includes 5GB of high-speed data abroad and Experience Beyond 15GB, then data runs at up to 256Kbps. Essentials includes texting but no data. The 1 Day International Pass costs $10; the 7-day figure is the cheapest pass mix, 10-day pass.
* Xfinity Mobile International Pass: $10/day with 200 MB/day high-speed cap
Compare all carrier roaming plans to see how AT&T, Verizon, T-Mobile, Vodafone, and EE stack up against eSIM providers.
Pay-per-use cost audit
What happens to your bill in Mayotte without an international plan
The worst-case AT&T pay-per-use scenario in Mayotte: you land, turn off airplane mode, and forget to activate an international plan. Your phone syncs email, checks for app updates, and loads the map you opened. AT&T charges $2.05/MB in that state. A 30-minute Zoom call costs $922. 1 hour of Google Maps adds $102. Uploading 20 photos to iCloud runs $410. One hour of YouTube while hotel WiFi lags: $1025. A full gigabyte at AT&T's pay-per-use rate: $2,099. Source: AT&T international rate card, June 2026.
Personalize your savings
Your Mayotte saving against $12 a day
Adjust the trip length, the carrier and the daily data below and the calculator reprices both sides. The starting point is the 10-day average stay recorded for Mayotte: $120 on an AT&T day pass at $12 a day, against $31.52 for a 20GB travel eSIM. Both prices buy access to the same local operators.
Network coverage
Mayotte network operators and coverage map
One network, two prices. Orange covers Mayotte. AT&T charges $12/day to roam on it. A travel eSIM charges $1.58/GB on the same network. Roaming and eSIM use the exact same infrastructure. Only the cost differs. Orange operates sub-6 GHz 5G across Mayotte. AT&T and travel eSIMs both access the same frequency bands. Switching from roaming to eSIM does not change which bands your phone uses or what speeds you get. The price changes: from $12/day to $1.58/GB.
Network attachment record
The networks behind both prices in Mayotte
HelloRoam publishes one local operator for Mayotte: Orange.
One operator means no fallback network.
Where Orange has no signal, an eSIM has nowhere else to attach.
HelloRoam records a 5G label against Orange.
Carrier roaming meets the same ceiling, because roaming rents local networks.
Price is what separates the two options in Mayotte. This page prices both.
5G and 4G here are capability labels. Neither one is a speed reading.
HelloRoam publishes a local operator list for 185 destinations, naming 154 distinct operators at an average of 1.48 per destination. Mayotte is one of 117 single-operator destinations in that file, and the list reads Orange. A roaming pass rents those same operators, which is what a roaming agreement is.
| Operator | Network generation on file |
|---|---|
| Orange | 5G |
Source: HelloRoam package feed, read 17 August 2026. The feed publishes an operator list for every destination it sells. No speed test sits behind this table, and we ran none. The full operator map covers 185 destinations.
Pricing breakdown
Mayotte roaming rate breakdown
T-Mobile's Experience plans include 5GB or 15GB of high-speed data abroad, then up to 256Kbps, not enough to stream a 30-second video in Mayotte. Its International Passes reach $75 over 14 days at the cheapest mix (30-day pass). AT&T and Verizon charge $120 and $168 respectively. A 10GB eSIM on a local network: $15.80.
Daily data cost comparison for Mayotte: AT&T $12/day, Verizon $12/day, T-Mobile high-speed $10/day, eSIM $1.13/day ($15.80 total over 14 days). On a per-day basis, the eSIM is 10.6x cheaper than AT&T.
AT&T charges $120 for 14 days regardless of how much data you use. eSIM tiers let you pay for what you need: 1GB at $3.99 ($3.99/GB), 3GB at $8.93 ($2.98/GB), 5GB at $11.80 ($2.36/GB), 10GB at $19.06 ($1.91/GB), 20GB at $31.52 ($1.58/GB). For unlimited data, the daily plan costs $2.79/day ($39.09 total), which is $80.91 less than AT&T at $12 a day.
Unlimited plans for Mayotte are sold by duration: 1 day at $3.49, 3 days at $9.95, 7 days at $21.50, 14 days at $39.09, 30 days at $71.20. The 30-day plan works out at $2.37 a day. Unlimited here means 2GB a day at full speed before a fair-use policy applies. Catalogue prices read 29 Oct 2026.
Trip cost breakdown
Mayotte data cost scenarios: short trip to long stay
Three days in Mayotte costs $36 on AT&T at $12/day. A 2GB eSIM on a local network covers the same period for $8.93. Difference: $27.07.
Fourteen days costs $120 on AT&T, because it bills at most 10 daily fees per line each bill cycle. A 20GB eSIM on a local network covers 15GB of photos and video calls for $31.52. Difference: $88.48 (74%).
Thirty days on AT&T costs $120. A 50GB eSIM on a local network covers 50GB for $78.92. Difference: $41.08 over the month. AT&T rate: $12/day regardless of data consumed, at most 10 daily fees per line each bill cycle. Rates checked June 2026.
Airport options
Mayotte airport: SIM card vs eSIM cost
Most international airports have SIM kiosks near arrivals. Prices, wait times, and registration rules vary by country. In Mayotte, expect to show your passport and wait 15-30 minutes at the counter. A 1GB eSIM at $3.99 skips that process entirely — install it before your flight and connect as soon as you land.
Data planning
Carrier vs eSIM data costs for 7 days in Mayotte
Uploading photos to Google Photos or iCloud uses roughly 10 MB per photo in full resolution. Fifty photos per day adds 500 MB before you factor in maps or calls. At 1.5 GB average daily usage in Mayotte, a 7-day trip needs 11GB minimum.
The 20GB plan at $31.52 supports roughly 80 hours of WhatsApp video calls. For daily check-ins home, that is more than enough for 7 days. AT&T would charge $84 for the same local connection. For heavy data users, a 1-day unlimited plan costs $3.49, still under AT&T's $12/day pass.
Connectivity
Mayotte WiFi reliability for travelers
WiFi is limited outside major hotels in Mayotte. Public WiFi networks are rare or unreliable. An eSIM on a local network at $1.58/GB is the more dependable option for maps, navigation, and communication.
Plan your data
Mayotte data allowance guide for travelers
T-Mobile's Experience plans include 5GB or 15GB of high-speed data abroad, then up to 256Kbps, too slow to load a restaurant menu in Mayotte. Its International Passes start at $10 a day, reaching $50 over 10 days at the cheapest mix. A 20GB eSIM on a local network delivers full 5G speed for $31.52.
Mayotte has one mobile operator: Orange. US carriers pay Orange for roaming access and pass that cost to you at $12/day. An eSIM connects to Orange directly at $1.58/GB — no carrier markup.
Local prices in Mayotte are in EUR (€), but eSIM plans are priced in USD, eliminating exchange rate uncertainty on your data costs.
Quick reference
Mayotte Travel Essentials
15/17/18/112
15, 17, 18, 112 are the emergency numbers in Mayotte. Different numbers may route to different services — save all of them before your trip. Emergency calls work from any mobile device, including travel eSIMs.
Type C/E
Mayotte uses Type C outlets (European two round-prong). US plugs require a Type C adapter. Check that your phone and laptop chargers show 100-240V input — most modern chargers are compatible.
EAT (UTC+3)
EUR (€)
Cash in EUR is preferred across most of Mayotte outside major hotels and tourist centers. Card terminals are not common in local markets or small restaurants. Withdraw enough cash at a reliable ATM before leaving the city — rural areas may not have ATM access.
Good to know
In Mayotte, dial 15/17/18/112 for emergency services. Calling 112 may not connect on all networks. This number works on any active SIM or eSIM, including plans with exhausted data balances.
Good to know
Orange is the only mobile network in Mayotte. Your carrier roaming plan and a travel eSIM both connect to the same towers. The signal quality is identical; only the cost differs.
Step by step
How to switch from carrier roaming to an eSIM in Mayotte
- On iPhone: go to Settings > Cellular > Add eSIM to confirm your device is unlocked and eSIM-capable before buying a Mayotte plan
- On Samsung Galaxy: visit the HelloRoam website in Chrome, search Mayotte, and buy the 1GB plan at $3.99 — Samsung's built-in eSIM installer handles the profile download. Compare providers to find the cheapest plan.
- On Google Pixel: go to Settings > Network > SIMs > Download a SIM and scan the QR code before you leave home so it is ready to activate on arrival
- Do this before you land in Mayotte — carrier roaming charges start the moment your phone registers on a foreign network. The how-to-turn-off-data-roaming guide shows you exactly where to find the toggle.
- Returning traveler: your phone may auto-connect to Orange YT from a prior trip — if data does not flow, confirm the HelloRoam eSIM is set as the active data line in your cellular settings
- Keep your carrier SIM active for calls and texts via WiFi Calling — no voice roaming charges apply
Data tips
Reducing data consumption on a Mayotte trip
Tethering your laptop through your phone's hotspot uses more data than phone-only browsing. A laptop browsing news and email uses 200-500 MB/hour. Video conferencing over tethering runs 1-3 GB/hour depending on platform. Tethering also drains your phone battery 30-50% faster — pack a power bank for Mayotte days that include hotspot use.
Regional context
Other roaming rates and how Mayotte fits in
A few things to know before turning off carrier roaming in Mayotte:
French department — EU roaming applies
Nearby
Related destinations
3 destinations near Mayotte are priced on the same rate card. AT&T bills $12 a day in every one of them, and the figure beside each flag is that destination's own per-gigabyte floor. The cheapest of the group is Vatican at $1.14 a gigabyte.
Forgot your eSIM?
Mayotte post-arrival eSIM guide: airport, hotel, and emergency options
If you reach Mayotte without an eSIM, your first 30 minutes at the airport determine your data costs. Most airports in Mayotte have free WiFi near arrivals. Connect as soon as you clear customs. From there, HelloRoam, Holafly, Nomad, Airalo, and Saily all support post-arrival eSIM purchases. The process: download the app over WiFi, choose a Mayotte plan, scan the QR code, and activate. A 1GB plan on a local network costs $3.99, against $24 for two days on AT&T's International Day Pass. If airport WiFi drops mid-install, hotel lobby WiFi provides a stable fallback for finishing the process.
Savings math
How much you save in Mayotte
Solo traveler
A solo business traveler filing a Mayotte expense report: AT&T roaming line item is $120 for 10 days. An eSIM line item is $31.52 for the same trip. The company saves $88.48 per employee per trip. Both connect to a local network at 5G. The eSIM receipt shows a single charge; AT&T shows 10 daily charges.
Family trip
A group of six traveling to Mayotte on AT&T: $12/day x 6 lines x 10 days = $420 in roaming charges. Six 20GB eSIMs on a local network: $189.12. Group savings: $230.88. That is enough to cover a group dinner for all six travelers in Mayotte.
AT&T roaming rate analysis
AT&T Prepaid customers traveling to Mayotte cannot access the $12/day International Day Pass. Pay-per-use data rates of $2.05/MB apply automatically instead. One hour of Google Maps navigation (~50 MB): $102. A 5-minute FaceTime call (~75 MB): $154. One Instagram scroll session (~20 MB): $41. AT&T Postpaid with Day Pass: $12/day ($120 for 10 days). Travel eSIM: $31.52 for 20GB on a local network. Prepaid customers should buy an eSIM before departure.
All-carrier summary
AT&T: AT&T International Day Pass costs 281% more than an eSIM for Mayotte.
Verizon: Verizon TravelPass costs 281% more than an eSIM for Mayotte.
T-Mobile: T-Mobile's International Passes cost 59% more than an eSIM for Mayotte.
Bottom line for Mayotte: the eSIM wins. $31.52 for 20GB on a local network vs $120 on AT&T for 10 days. Same towers, same speeds, 74% lower cost. No daily triggers, no per-MB billing, no bill surprises from background app syncs.
Quick answers
Common questions about Mayotte data costs
Is eSIM cheaper than roaming in Mayotte?
An eSIM in Mayotte costs $31.52 for 20GB over 10 days. AT&T roaming costs $120 for the same trip on the same local towers. Verizon TravelPass matches AT&T at $12/day. The eSIM is 74% cheaper than AT&T. Rates checked June 2026.
How much does roaming cost in Mayotte?
US carriers charge $12/day for Mayotte roaming. UK carriers charge approximately GBP6/day. A 10-day trip costs $120 on AT&T or Verizon. A travel eSIM on a local network costs $31.52 for 20GB. Rates checked June 2026.
Does T-Mobile work in Mayotte?
Yes, T-Mobile connects to a local network in Mayotte. T-Mobile's Experience More plan includes 5GB of high-speed data abroad and Experience Beyond 15GB, then data runs at up to 256Kbps. Essentials includes texting but no data. The 1 Day International Pass costs $10. A travel eSIM at $31.52 for 20GB provides full 5G speed on the same local towers. Rates checked June 2026.
AT&T fine print for Mayotte
$12 covers 24 hours from the first time your phone uses a foreign network, and a single background push notification at 2 AM can start it. AT&T bills at most 10 daily fees per line each bill cycle (terms read 31 Oct 2026).
iCloud Photos, email push, app updates all trigger the daily charge. A phone left in a bag with data roaming on starts a new $12 fee each time a sync lands after the last 24 hours ran out.
Mayotte FAQ
Mayotte eSIM & roaming questions
Mayotte carrier roaming costs $12 a day on AT&T and on Verizon
Verizon TravelPass and AT&T International Day Pass both bill $12/day in Mayotte. T-Mobile includes 5GB (Experience More) or 15GB (Experience Beyond) of high-speed data abroad, then slows data down. Without any plan, AT&T's pay-per-use rate reaches $2,099 per gigabyte. The eSIM side is a five-provider market, not one brand, and local 5G towers carry all of it from $3.99 for 1GB. Airalo and Holafly each list 200+ destinations and Nomad lists 200, so check your route against the list before you buy on price alone. Rates checked June 2026.
T-Mobile's included data in Mayotte runs at high speed until the allowance ends
It depends on the plan. T-Mobile's Experience More plan includes 5GB of high-speed data abroad and Experience Beyond 15GB, then data runs at up to 256Kbps. Essentials includes texting but no data. For more high-speed data in Mayotte, a week of International Passes costs $50 (10-day pass), against $84 on AT&T. On a local 5G network, fixed eSIM plans start at $1.58/GB. HelloRoam's 7-day unlimited plan has the lowest median of the five at $21.50 across 35 countries, against $27.50 on Holafly. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
Mayotte roaming bills by the day, not by the gigabyte
Four billing models reach Mayotte. Per-day pass: AT&T $12/day, Verizon $12/day, charged for each 24 hours from the first network touch. Per-MB: AT&T at $2.05/MB without a pass, or $2,099/GB. Fixed eSIM bucket: 1GB for $3.99 once, from HelloRoam, Nomad, Airalo, or Saily. Unlimited eSIM plan: a 7-day median of $21.50 on HelloRoam and $27.50 on Holafly. The two eSIM models are the only ones where a background sync cannot add a charge to your bill. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
A gigabyte in Mayotte costs one price by the day and another by the plan
Four models, four answers. AT&T pay-per-use: $2.05 a megabyte, so one gigabyte reaches $2,099. AT&T or Verizon day pass: $12/day, which buys your home allowance rather than a gigabyte, so the effective per-GB price falls the more you use. Fixed eSIM bucket, median 5 GB plan: $2.01/GB on HelloRoam, $2.30/GB on Nomad, $2.40/GB on Airalo, $2.60/GB on Saily, or $1.58/GB locally on Orange YT. Unlimited: $3.07/day on HelloRoam's 7-day plan and $3.93/day on Holafly's, where the per-GB figure drops the harder you push it. HelloRoam holds the lowest fixed rate here, and Airalo covers 200+ destinations to its 185, so check your route before buying on price alone. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
An hour of streaming in Mayotte uses more data than a day of maps
An hour of Netflix in HD uses about 3 GB by Netflix's own figures, so it costs about $4.74 at $1.58/GB on Orange YT. Standard definition uses about 700 MB, or $1.11. YouTube at 720p uses about 900 MB an hour. Streaming is the one habit that breaks a fixed-data plan. HelloRoam's 7-day unlimited plan has the lowest median of the five at $21.50 across 35 countries, against $27.50 on Holafly, but HelloRoam's plan runs at full speed for 2 GB a day in 33 of those 35 countries, under one HD hour. Holafly states no daily cap, which is where it earns its price for a heavy streamer. AT&T covers streaming under the $12/day pass but charges it whether you watch or not. Download over hotel WiFi and the question disappears. Carrier rates checked June 2026; eSIM prices from the 30 Oct 2026 price check.
AT&T's day pass keeps your number live in Mayotte, which a data-only eSIM does not
Your own number, live on the cellular network, with no app and no WiFi. That is the whole list, and it is worth $12/day to some travelers. International Day Pass covers Mayotte at $12/day, or $84 a week, and draws data from your home allowance. Without it AT&T bills $2.05 a megabyte, which reaches $2,099 a gigabyte. Data-only plans from HelloRoam, Holafly, Nomad, Airalo, and Saily cost $1.58/GB on Orange YT and carry no number at all. Most travelers close that gap free with WiFi Calling, which routes the home number over any connection. If calls from local numbers matter to you, the day pass is the simpler product. Rates checked June 2026.
Verizon TravelPass costs $84 for a week in Mayotte
No. Verizon TravelPass costs $12/day in Mayotte — $84 for a week. A travel eSIM starts at $1.58/GB on a local 5G network. The eSIM delivers the same speed on the same carrier infrastructure at 80-95% lower total cost.
T-Mobile's free international data in Mayotte carries text and little more
T-Mobile's Experience More plan includes 5GB of high-speed data abroad and Experience Beyond 15GB, then data runs at up to 256Kbps. Essentials includes texting but no data. Past the allowance, GPS navigation, photo messaging, video calls and ride-hailing apps stall; basic text-only WhatsApp works. T-Mobile's 1 Day International Pass costs $10, against $12 per 24 hours at AT&T and $12 at Verizon. A travel eSIM on Orange YT at $1.58/GB delivers full 5G without per-day billing.
Switching data roaming off before landing in Mayotte stops the bill
Turn off data roaming on your carrier SIM before landing in Mayotte. AT&T's per-day charge fires from any background cellular contact — even a push notification overnight — at $12 per 24 hours. Without a plan, the rate is $2.05/MB. Install a travel eSIM via QR code before departure and set it as the active data SIM. Your carrier SIM stays active for calls and texts with WiFi Calling; the eSIM handles data at $1.58/GB.
A week of Mayotte carrier roaming costs $84
AT&T: $84/week (International Day Pass at $12/day). Verizon: $84/week (TravelPass). T-Mobile: 5GB or 15GB of high-speed data included on its Experience plans, then up to 256Kbps, or $50 for a week of passes (10-day pass). The cheapest eSIM for Mayotte starts at $1.58/GB on a local 5G network — better per-GB value than all three carriers.
Fact check
Common myths about roaming and eSIM in Mayotte
eSIM drains more battery than a physical SIM
An eSIM is a programmable chip embedded in your phone's hardware — the same radio module that handles physical SIM cards. It draws no additional power beyond what a physical SIM uses. Battery drain in Mayotte is driven by signal strength and data activity, not by SIM format. Weak signal forces your radio to search harder — that is the actual drain variable regardless of SIM type.
A VPN eliminates roaming costs
A VPN changes the routing of your data packets — it does not change which cellular network your phone connects to. In Mayotte, your phone attaches to local towers whether or not a VPN is active. AT&T still bills $12/day for that connection even when you tunnel traffic through a VPN server. A VPN also adds 10–20% overhead to your total data consumption on top of the carrier charge.
eSIMs use different, slower networks
A travel eSIM in Mayotte connects to the same local towers as AT&T and Verizon roaming. The radio frequency bands, signal strength, and 5G speed are identical. AT&T's roaming agreement with Orange YT and a travel eSIM provider's agreement with Orange YT both access the same physical infrastructure. No speed penalty exists for switching from roaming to eSIM.
Our recommendation
Mayotte data costs: what our research found
The numbers point to HelloRoam for Mayotte. HelloRoam covers Mayotte on a local network and scores 9.9/10 on our rubric, the highest of the 5 providers we price. A 1GB plan costs $3.99. Unactivated plans are refundable for 180 days, and its support replies in your own language. Holafly is the alternative for heavy data users: it states no daily cap, at a 7-day unlimited median of $27.50 on 30 Oct 2026.
Learn more
Travel guides, Mayotte
4 guides carry the parts of a Mayotte trip this page does not price: installing the profile before departure, switching data roaming off on the home SIM, and what happens to the allowance once a fair-use policy applies. Each one reads the same rate card as this page, where AT&T bills $12 a day.
Mayotte eSIM vs AT&T roaming: the price difference
A 20GB Mayotte eSIM costs $31.52 for the same data your carrier charges $84+ to roam.
Get a Mayotte eSIM