eSIMs vs Costatlas
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eSIMs
Easily find and compare prepaid eSIM data plans for international travel. Browse thousands of options from numerous providers across over 250 countries. Avoid expensive roaming fees and stay connected effortlessly on your next trip.
- Compare 32,000+ eSIM data plans
- Coverage in 250+ countries
- Filter by price, data, and duration
- Exclusive deals and promo codes
- Instant purchase and QR code activation
- Avoid roaming fees with prepaid plans
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Travel eSIMs Made Easy – esims.io is your one-stop app to find and compare the best prepaid eSIM plans for international travel. Browse over 32,000 data plans from 38+ providers covering 250+ countries and regions. Whether you're going on vacation, a business trip, or a backpacking adventure, easily find a plan that fits your needs and budget. No more juggling multiple apps or hunting down local SIM cards at the airport. esims.io brings all the top eSIM providers together in one powerful comparison tool. Quickly filter plans by price, data amount, or duration to pinpoint the perfect plan for your trip. You can also sort results by cheapest price, longest validity, or our recommended picks to make your decision even easier. Key Features: - Huge Selection: Explore thousands of eSIM deals in one place. Compare over 32,000 eSIM data plans from 38+ providers, including popular options like Airalo, Nomad, Saily, BNESIM, Jetpac, GoMoWorld, Firsty, and many more. - Worldwide Coverage: Find eSIM plans for 250+ countries and regions. Get connectivity wherever you travel – from Europe, Asia, and the Americas to Africa and Oceania. Regional and global plans are also available for multi-country trips. - Advanced Filters: Narrow your search by data size (MB/GB), plan duration (days), and price. For example, find a 5 GB, 30-day plan under $20 in seconds. It’s easy to tailor your search to exactly what you need. - Exclusive Offers: Save more with special deals and promo codes available only on the eSIMs app (powered by esims.io). Enjoy exclusive discounts from select providers and get the best price for your travel data. - Easy Purchase & Activation: Once you found your eSIM, Buy your chosen eSIM plan instantly through the provider's app or site or via a secure link to the provider. Activate it in seconds by scanning a QR code – no physical SIM card required. Start using your data as soon as you land. No More Roaming Fees: Avoid bill shock! All plans are prepaid, so you know exactly what you’re spending. Use a local eSIM for data while keeping your primary SIM for calls. Say goodbye to expensive roaming charges. Traveler Friendly: Designed for speed and simplicity, the app is easy to use even on the go. Trusted by over 1.5 million travelers worldwide, the eSIMs app offers reliable service and 24/7 customer support for peace of mind during your journeys. Download eSIMs now and make staying connected abroad hassle-free. Find the perfect travel eSIM in minutes and enjoy your trip without worrying about internet access. Happy eSIM hunting! Note: Requires an eSIM‑compatible device (iPhone XS, XR, 11, 12, 13, 14, 15, 16 or later). Devices purchased in China, Hong Kong, or Macau do not support eSIM.
Costatlas
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# CostAtlas — Travel Costs, Made Simple **Know the cost before you go.** Planning a trip? CostAtlas helps you understand everyday travel costs in cities around the world, so you can build a more realistic budget before and during your journey. Compare typical prices for the things travelers actually spend money on: • Coffee • Restaurant meals • Bottled water • Public transportation • Taxi rides • Hostels • Hotels • Other everyday travel expenses ### Compare Cities Wondering whether Paris is more expensive than Lisbon? How does Bangkok compare with Tokyo? CostAtlas makes it easy to explore and compare destinations using simple travel-cost information. ### Powered by Travelers CostAtlas is community-powered. Travelers can submit prices they encounter during their trips and help improve existing information by marking prices as **Accurate** or **Inaccurate**, or suggesting a different price. Community validation helps reduce unusual or outdated submissions and makes the information more useful as more travelers contribute. ### Discover Affordable Destinations Explore city rankings and discover destinations based on estimated travel costs. Find some of the world's more affordable cities or compare destinations before deciding where to go. ### Privacy First CostAtlas is designed with simplicity and privacy in mind. App settings and preferences are stored locally on your device. Community-submitted travel prices are stored anonymously using Google Sheets and do not include personal information. ### Important CostAtlas prices are **estimates, not guaranteed prices**. Actual costs can vary depending on location, season, exchange rates, business, availability, and other factors. Always verify important prices before booking or purchasing. **CostAtlas — travelers helping travelers understand the cost of traveling the world.**
Screenshots
Verdict
eSIMs and Costatlas are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | eSIMs | Costatlas |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (230 ratings) — better | — |
| Positive reviews | 39.4% of reviews | — |
| Number of ratings | 230 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Valentin Maillot | Ionela Cristina Chera |
Bugs and requests
eSIMs
Reported bugs
5 issues- App crashes on launch
- App freezes
- No data loaded
- Back/Zurück-Button is covered
- Currency settings not working
Requested features
5 requests- Update tariff data regularly
- Include all competitive providers
- Fix currency settings
- Improve search result clarity
- Add easier method to see plan inclusions
Costatlas
Not enough reviews yet to summarise bugs or requests.
In-app purchases
eSIMs
No in-app purchases
Costatlas
No in-app purchases









