Buy a Comoros eSIM for Moroni, Grande Comore and the outer islands
Updated: June 2026
If you are searching for an esim Comoros travellers can activate before landing, the main thing to know is that mobile coverage is much better around Moroni, Hahaya International Airport and the busier coastal roads on Grande Comore than it is on quieter stretches of Anjouan and Mohéli. A Comoros eSIM is the easiest way to get online quickly, but the best option still depends on whether you are staying in the capital or moving between islands.
For a short visit, a travel eSIM is usually the most convenient choice because you can install it before departure and avoid hunting for a shop on arrival. For a longer stay, a local SIM can work out cheaper if you are happy to show your passport and top up locally. If you only need to keep receiving bank codes or other verification messages while abroad, our O2 SMS Only GLOBAL eSIM is a useful backup, although it does not provide mobile data.
Best networks for travellers in Comoros
| Network |
Best use case |
City coverage |
Rural coverage |
eSIM support |
Approx. tourist pricing |
Strengths and weaknesses |
| Comores Telecom |
Best overall choice if you want one local line for the trip |
Usually strongest in Moroni and the main towns |
Generally the safer pick outside the main urban areas, though not flawless |
Limited for tourists; check locally |
Starter bundles and top-ups often sit around the low single digits to low teens in euro equivalent |
Good all-round footprint, but availability and bundle choice can vary by shop |
| Yas Comoros |
City users who want to compare prices before buying |
Usually solid in populated areas |
Can be patchier away from the main roads and town centres |
Limited for tourists; check locally |
Often competitive, but data allowance matters more than headline price |
Can be good value in town, but ask about real coverage before choosing it for island travel |
| Travel eSIM |
Instant setup before arrival and dual-SIM convenience |
Depends on the partner network used |
Depends on the partner network used |
Yes |
Varies by allowance and validity period |
Best when you want data on landing without looking for a local store |
In practice, the best Comoros esim for most visitors is the one that matches your route. If you are mostly in Moroni, any decent urban bundle may be fine. If you are crossing between islands or heading away from the capital, it is smarter to prioritise the network with the widest footprint rather than the cheapest headline offer.
What to expect when buying a SIM in Comoros
- Passport registration is normal. Bring your passport, because local shops usually need ID to activate a SIM.
- Airport stock can be limited. Hahaya International Airport is not a place where you should assume a full range of tourist plans will be waiting.
- Cash often works better than cards. Foreign cards can be hit-and-miss for top-ups, so keep some cash available.
- Expect town-first coverage. 4G is most realistic in Moroni and the main settlements; slower speeds are common elsewhere.
- App calling is usually easier than standard voice. WhatsApp, Signal and similar apps tend to be more practical when signal quality drops.
- Beware of rushed airport offers. If a seller says the plan is already activated but refuses to explain registration or top-up steps, walk away.
If you are landing late or arriving by ferry, it is sensible to have data ready before you arrive. Coverage on inter-island routes can be inconsistent, and there may be long stretches where you do not want to rely on finding a kiosk immediately.
eSIM or physical SIM in Comoros?
Choose an eSIM if you want data as soon as you land, prefer to keep your home SIM active for bank codes, or are travelling with a dual-SIM phone and do not want to waste time looking for a shop in Moroni. This is the cleaner option for short trips and for travellers who move quickly between islands.
Choose a physical SIM if you are staying longer, want the lowest local price, or need a local number for calls and WhatsApp verification. A local SIM can be cheaper over several weeks, but you will need to factor in registration time, top-up availability and the possibility of store-by-store differences in bundle quality.
For most travellers, dual SIM is ideal. Keep your home line active for SMS, add a Comoros data connection for local use, and avoid depending on one network for everything. That approach gives you more flexibility if signal quality changes from one island or town to the next.
Planning a wider Indian Ocean trip?
If Comoros is just one stop on a bigger route, compare nearby guides before you travel: Madagascar eSIM and Mauritius eSIM. If you need a backup for secure verification messages, our O2 SMS Only GLOBAL plan can sit alongside your travel data without replacing it.
