Pay only for
what you need,the most affordable
eSIM platform
Individual eSIMs for 84 countries worldwide, plus multi-country
eSIMs for travelers visiting multiple destinations!
Visiting multiple countries at once?
Find the best plan for you in 3 seconds.
Find the perfect plan for you*60-70% of users choose 1GB-2GB!
24/7 Support
Quick response anytime, anywhere
Refund Guarantee
100% refund for accidental purchases and before activation
Guest Checkout
Purchase without sign-up hassle
No App Needed
Buy and install directly from the web — no app required
Unlimited Low Speed
Unlimited data at 384kbps even after your data runs out
The more you compare, the cheaper eSIMmu is
Based on UK, 5 days, 1GB/day usage
Updated: 2026.03.10
The more you compare, the cheaper eSIMmu is
Based on UK, 5 days, 1GB/day usage | Updated: 2026.03.10
*1GB usage = Perfect for maps and SNS photo uploads
eSIMmu partners with local carriers to provide the best service.
"The best service through trust and collaboration"
Real reviews from eSIMmu users
Roaming vs Local SIM vs eSIM
Local SIM
Cheaper price but requires buying a SIM locally and swapping chips
- Can't use existing number
- Chip swap hassle
- Affordable price
Roaming
Easy to connect without extra installation, but expensive
- Keep your existing number
- No installation needed
- Expensive
eSIM
The smartest travel data solution combining the benefits of local SIM and roaming — easy install and affordable prices
- Keep your existing number
- 1-minute QR code install
- Affordable price
Travel-ready in 3 easy steps!
Frequently asked questions about eSIM
💡 As eSIMs are digital products, refunds are not available after the QR code has been installed. 🔄 However, payment can be cancelled if the QR code has not yet been installed. If you have not used it at all after installation, please log in and click the inquiry button on the product that needs a refund.
✅ Yes. Once payment is completed, a confirmation email with the QR code is sent immediately, and you can install and use it right away. 📨⚡
💡 It's best to complete the installation in advance over a stable Wi-Fi connection before your trip, then switch to the eSIM after entering the destination country. ⚠️ With an unstable internet connection, installation errors may occur or installation may not complete properly.
💡 You can check your data by logging into esimmu.com and using the data check menu. 📅 Due to the daily plan structure, the reset balance is shown every 24 hours.
Yes, on devices that support Dual SIM Dual Standby (DSDS), you can use your existing physical SIM and eSIMmu eSIM at the same time. However, you must set the default data line and voice call line. 📌 How to use your existing SIM with eSIMmu After installing and activating eSIMmu Both your existing SIM and eSIMmu lines will be active simultaneously. Select the default data SIM iPhone: Settings → Cellular → Cellular Data → Select eSIMmu Android: Settings → SIM Manager → Mobile Data → Select eSIMmu Set the default voice call line Keep using your existing SIM for calls Select the default messaging line Keep using your existing SIM for SMS/MMS 💡 TIP When abroad, it's common to use eSIMmu for data and your existing SIM for calls/SMS. Dual SIM support depends on your device specs; some models may only allow one line for data when using Dual SIM. When using data, always make sure the default data line is set to eSIMmu.
For other inquiries, please contact customer service or check the FAQ.