Roamer: eSIM, Calls & Numbers
Communication
100K+ installs
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- CategoryCommunication
- PlatformAndroid
- DeveloperRoamer Labs Inc
- In-app PurchasesNo
- Installs100K+
- Updated2026-10-20
- Size115 M
- Version12.3
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Editor's Review
Developed by Roamer Labs Inc, Roamer: eSIM, Calls & Numbers is a communication app available on Google Play. The developer sums it up as: "Global eSIM |180 countries | $0.7 a day per 1GB plus low-rate calls&2nd number." With 100K+ installs on Google Play, it holds an average rating of 2.7 from 3.1K user ratings. The latest version (12.3) was released on 2026-10-20, so the app is still being actively updated. Good to know: it needs about 115 MB of storage.
How To Use?
Single-country local eSIM: Ideal for travel to one single country
Regional eSIM: 12 regional packages including Europe, Southeast Asia, Japan & South Korea, US & Canada, Africa, the Middle East, Central Asia and Latin America
Global eSIM: One installation for coverage across 120+ countries
Daily / Total / Unlimited data eSIM: Choose from 1GB up to unlimited data
Short-term plans (1–30 days), plus 60-day, 90-day, 6-month and annual plans
Google Play
Description
Worried about paying high roaming charges when you travel abroad? Meet Roamer, your all-in-one travel connectivity app!
We aggregate hundreds of global service providers. Powered by large AI models and smart algorithms, Roamer automatically picks the most cost-effective eSIM data plans for you. Our service covers 180 countries and 12 regions worldwide. Plans for over 100 popular destinations start at just $0.7 per day for 1GB, with flexible durations ranging from 1 to 360 days.
No physical SIM swap, no in-store visits. Browse, purchase and activate directly inside the app — get online the moment you land. We also offer low-cost international calling and virtual numbers for the US, UK and Canada, covering all your overseas communication needs in one place.
Roamer eSIM Plan Types
- Single-country local eSIM: Ideal for travel to one single country
- Regional eSIM: 12 regional packages including Europe, Southeast Asia, Japan & South Korea, US & Canada, Africa, the Middle East, Central Asia and Latin America
- Global eSIM: One installation for coverage across 120+ countries
- Daily / Total / Unlimited data eSIM: Choose from 1GB up to unlimited data
- Short-term plans (1–30 days), plus 60-day, 90-day, 6-month and annual plans
Two Unique Advantages of Roamer eSIM
1. Customized travel data to match your exact needs
Read more
Most eSIM applications on the market lock data volume and validity period together. Take a 30-day cycle as an example: you can only choose fixed bundles such as 3 days with 3GB/day, 5 days with 3GB/day or 7 days with 3GB/day. You cannot adjust the usage period or daily data allowance separately. Roamer breaks this restriction. Mix and match your preferred daily data quota (1GB, 2GB, 3GB, etc.) with any number of travel days. Pay only for what your trip actually requires and cut waste. 2. Multi-provider aggregation + AI-powered best-rate matching For each destination, we pull packages from dozens of global carriers. AI automatically compares and filters plans with identical duration and data allowance to find the best value option. For the same destination, duration and data volume, Roamer can help you save over 50% on average compared with mainstream competitors, with even bigger savings in many cases. Thanks to these two features, you can cut your travel data costs by around 70% per trip versus other eSIM apps. How to Use Roamer eSIM (Simple Steps) 1. Install the Roamer App 2. Pick a plan based on your travel needs: destination, daily / total / unlimited data, and usage period 3. Purchase your eSIM plan 4. Complete eSIM installation inside Roamer 5. Turn on your eSIM after arrival and connect to the network instantly Why Travellers Choose Roamer - Global coverage, proprietary aggregation & AI selection — save up to 70% vs competitors - Highly customisable plans: freely combine daily data and travel length - AI price comparison, auto-filtering for the cheapest equivalent plans Low-cost International Calls - Call mobiles and landlines in 200+ countries - Call credit never expires; top up anytime in-app Overseas Virtual Numbers - US and Canada virtual numbers - Receive calls and SMS globally - No physical SIM required, starting from only $2/month Transparent & Worry-free - Clear plan terms and fair-use policies - Access overseas apps without VPN in regions including mainland China - No hidden fees or unexpected charges Reliable Service - Launched in 2014 - Trusted by millions of travellers worldwide - 24/7 AI customer support available in your language Dozens of Payment Options We accept credit cards, Apple Pay, Google Pay, Link, PayPal, WeChat Pay, Alipay, plus dozens of regional e-wallets across Asia, Europe and Latin America. What is an eSIM? An eSIM is a digital SIM built into your phone. No physical card needed, simple and hassle-free. Browse plans, place your order, install and go online with one tap directly in the app. (Dial *#06#. If an EID number appears, your device generally supports eSIM.)Screenshots
2.7