Updated October 17, 2026 ยท NomadCue Editorial Team
AIS vs NTT Docomo
AIS
NTT Docomo
Higher score in this comparison
What sets them apart
| Compare | AISReviewVisitVisit | NTT DocomoReviewSee alternativesSee alternatives |
|---|---|---|
| Countries covered | Not confirmed | 200 |
| Unlimited data | Not confirmed | Yes |
| Hotspot sharing | Not confirmed | Yes |
Same on both: 5G (Yes), Seller type (Carrier).
We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings. Partners with a live offer in your country come first, then every other brand by score.
Key differences
- NTT Docomo scores higher overall: 9.3 vs 8.5.
- Support channels: only NTT Docomo offers Chat.
- Region: only AIS offers Local.
- Region: only NTT Docomo offers Global.
- Features: only NTT Docomo offers Unlimited data, Hotspot, Carrier plan.
Our verdict on each
AIS
AIS stands apart as a carrier seller focused on local service with 5G for straightforward trips. You get a clear and simple choice for focused mobile travel when your device supports eSIM and you want steady network linked coverage.
NTT Docomo
NTT Docomo pairs a carrier plan with unlimited data and 5G across 200 countries, so you can stay connected on long trips without watching a data cap. It suits travellers who want set-up handled by their own mobile carrier rather than an app-based eSIM seller.
Score breakdown
| Area | AIS | NTT Docomo |
|---|---|---|
| Offer | 8.6 | 9.2HigherCarrier plan from NTT DOCOMO, INC. (Kabushiki-gaisha NTT Docomo) with unlimited data, 5G and hotspot sharing across 200 countries. |
| Trust | Not confirmed | 9.7 |
How they place
| Ranking | AIS | NTT Docomo |
|---|---|---|
| Travel SIMs and eSIMs | 92 of 926 | 136 of 926 |
| Travel eSIMs | 94 of 918 | 145 of 918 |
Every fact side by side
| Fact | AIS | NTT Docomo |
|---|---|---|
| Region | Local | Global |
| Features | 5G | Unlimited data, 5G, Hotspot, Carrier planCovers more |
| Audience | Not confirmed | Short trip, Long trip |
| Legal entity | Not confirmed | NTT DOCOMO, INC. (Kabushiki-gaisha NTT Docomo) |
| Headquarters | Not confirmed | Japan |
| Founded | Not confirmed | 1992 |
| Support channels | Help centre | Chat, Help centreCovers more |
Where each stands against the rest
| Fact | AIS | NTT Docomo | Median |
|---|---|---|---|
| Countries covered | Not confirmed | 200highest quarter | 120 |
Median across 492 listed travel providers.
Pros and cons
AIS
Pros
- Carrier sourcing that keeps local service tied to mobile networks
- Focused coverage that keeps planning simple for one stop trips
- 5G inclusion that supports faster browsing and maps on supported devices
NTT Docomo
Pros
- Unlimited data on the roaming plan, with 5G and hotspot sharing available
- Coverage across 200 countries in a global footprint
- Sold by the carrier itself, NTT DOCOMO, INC. (Kabushiki-gaisha NTT Docomo), rather than a marketplace
Cons
- Support runs on chat and help centre only, so there is no phone line for urgent roaming problems
- Coverage of 200 countries sits below the widest plans on the site
- A carrier plan means you buy into NTT DOCOMO, INC. (Kabushiki-gaisha NTT Docomo) rather than a short eSIM you can top up
Who each suits
AIS
Who it suits
- Travelers planning simple trips around one place
- Visitors who want 5G on compatible phones
NTT Docomo
Who it suits
- Travellers crossing many countries on one trip who expect heavy data use
- People already with NTT DOCOMO, INC. (Kabushiki-gaisha NTT Docomo) as their home carrier
- Anyone who prefers 5G, since 5G is part of the plan
Who should look elsewhere
- Travellers who need instant activation on landing, since this is a carrier plan
- People wanting a single-country holiday data pack, where eSIMGo.is may be simpler
- Shoppers who need unlimited data plus a wider country list than 200
Country by country
| Country | AIS | NTT Docomo |
|---|---|---|
| Japan | No | Yes |
| Thailand | Yes | No |
Questions about each
AIS
What does AIS offer for travelers?+
AIS acts as a carrier seller with local eSIM options. That structure suits travelers who prefer network linked service for one destination. Check that your phone accepts eSIMs before you choose an option.
Where does AIS coverage work?+
AIS focuses on local coverage for trips centered on one destination. That approach keeps planning simple for short stays and city visits. Confirm the destination matches your itinerary for the whole stay.
NTT Docomo
How much data do I get with NTT Docomo roaming?+
The roaming plan is unlimited, and 5G is part of the service. Hotspot sharing is also available, so you can share the connection with a laptop or tablet. The plan is sold as a carrier plan by NTT DOCOMO, INC. (Kabushiki-gaisha NTT Docomo).
How many countries can I use the service in?+
Coverage runs to 200 countries in a global footprint. That is a wide reach, though it does not match the very largest plans listed on the site, so check your full itinerary before you commit.
Other options to compare
Related by the facts
AIS
NTT Docomo