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Our verdict
aloSIM covers more than 120 countries, includes a free international phone number with each data purchase, and offers a 30-day money-back guarantee if the eSIM can’t be installed or won’t connect. Its coverage is smaller than the biggest providers. The score below is calculated from checked prices, features, coverage and customer ratings, not a hands-on test.
8.4/10
eSIM Mentor score
Based on prices, features, coverage and customer ratings. Not a hands-on test. How we rate
- Value for money 40%8.1Compared with other providers on 707 trip types across our destinations; the lowest price in 106 of them.
- Features 25%10.0Has 4 of 4 features we check: top-ups, plans with a phone number, a published refund policy, 24/7 support.
- Coverage 15%6.3Covers 120 countries and regions, as listed on its site.
- Customer ratings 20%8.6App Store 4.6 from 1,353 ratings; Trustpilot 4 from 2,388 reviews.
aloSIM pros and cons
Pros
- Free international phone number with every data purchase
- 30-day money-back guarantee if it can’t be installed or has connection problems
- Top-ups on small packages
- 24/7 live chat
Cons
- Covers fewer countries (120+) than the largest providers
- The phone number is international, not local to your destination
aloSIM at a glance
- Countries and regions
- 120
- Top-ups
- Yes
- Plans with a phone number
- Yes
- Refund policy
- 30-day money-back guarantee if the eSIM can't be installed or has connection problems.
- Support
- 24/7 live chat, help centre and contact form.
- App Store rating
- 4.6 out of 5 (1,353 ratings)
- Trustpilot rating
- 4 out of 5 (2,388 reviews)
These facts come from aloSIM’s own website and the app stores, with the date we checked them and links to the sources. We don’t run hands-on tests; see how we research and rate.
How aloSIM works
- Choose a plan for your destination on aloSIM’s website or app.
- Install the eSIM from the QR code or straight from the app, ideally at home over Wi-Fi.
- When you arrive, switch mobile data to the travel eSIM and turn on data roaming for it.
- If you run low, top up or buy another plan.
Step-by-step help: how to install an eSIM on iPhone.
aloSIM prices
aloSIM’s Japan plans, as an example of its pricing. Prices are checked on aloSIM’s own site. To see its plans for another destination, use the eSIM finder.
| Provider | Data | Valid for | Price | Per GB / day | Hotspot | Link |
|---|---|---|---|---|---|---|
| aloSIM KDDI Corporation | 1 GB | 1 day | $3.50 | $3.50/GB | Not stated | View plan |
| aloSIM KDDI Corporation | 1 GB | 3 days | $4.00 | $4.00/GB | Not stated | View plan |
| aloSIM KDDI Corporation | 3 GB | 1 day | $4.50 | $1.50/GB | Not stated | View plan |
| aloSIM KDDI Corporation | 1 GB | 5 days | $4.50 | $4.50/GB | Not stated | View plan |
| aloSIM KDDI Corporation | 1 GB | 7 days | $4.50 | $4.50/GB | Not stated | View plan |
| aloSIM KDDI Corporation | Unlimited | 1 day | $5.00 | $5.00/day | Not stated | View plan |
| aloSIM Asia plan, 53 countries | 1 GB | 7 days | $5.00 | $5.00/GB | Not stated | View plan |
| aloSIM KDDI Corporation | 2 GB | 15 days | $6.50 | $3.25/GB | Not stated | View plan |
| aloSIM KDDI Corporation | 5 GB | 3 days | $7.00 | $1.40/GB | Not stated | View plan |
| aloSIM KDDI Corporation | 5 GB | 5 days | $7.00 | $1.40/GB | Not stated | View plan |
Prices from each provider’s own site, checked on 20 Oct 2026. Pages read: aloSIM. Providers can change prices at any time. We may earn a commission when you buy through our links, at no extra cost to you. Learn more
Alternatives to aloSIM
Airalo: more than 200 destinations
No verified Airalo code right now. We only list codes after we test them, so check back soon.
See Airalo plansSaily: top-ups and strong ratings
No verified Saily code right now. We only list codes after we test them, so check back soon.
See Saily plansFrequently asked questions
Yes. aloSIM has more than a thousand App Store ratings and thousands of Trustpilot reviews. The score box above shows its current ratings.
aloSIM offers a 30-day money-back guarantee if you can’t install the eSIM or have connection problems.
Yes. aloSIM says every data purchase comes with a free international phone number.
Yes. You can buy a small package and top it up if you need more data.
Nomad eSIM Review
Joseph Larkin is the founder and editor of eSIM Mentor. He compares travel eSIM plans and checks every price on the provider's own website before it goes on the site, and every coupon is tried at checkout before it is listed. His aim is simple, honest advice that helps travelers pick the right plan and avoid roaming bills.
