# TOP SIM Brastel: Data in Japan — Prepaid, Rechargeable

> Prepaid, Rechargeable (iPhone/iPad app by Brastel Co.,Ltd..)

- Source: https://appshunter.io/ios/app/top-sim-brastel-data-in-japan/id6739860313 (this page in markdown: same URL + `.md`)
- Developer: [Brastel Co.,Ltd.](https://appshunter.io/developer/1294541528)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 52 MB
- Languages: American English, Khmer, Indonesian, Japanese, Nepali, Brazilian Portuguese, Russian, Chinese (Simplified, China), Mexican Spanish, Filipino and 4 more
- Released: 2025-01-23
- Data updated: 2026-09-03
- User reviews in markdown: https://appshunter.io/ios/app/top-sim-brastel-data-in-japan/id6739860313/reviews.md

## What is TOP SIM Brastel?

TOP SIM: Your Easy Way to Stay Connected in Japan

TOP SIM is a simple app that activates and manages your prepaid data SIM card and supports eSIM as well!
 
Whether you're a tourist, on a business trip, or living in Japan, TOP SIM makes sure you have fast and reliable internet whenever you need it.

Why Choose TOP SIM?
- No Registration Needed: No eKYC, bank account, or credit card required.
- Quick Activation: Start using your prepaid data SIM in just a few steps.
- Flexible Plans: Pick a plan that works for you - great for short and long stays.
- Real-Time Tracking: Check your data balance anytime.
- Easy Recharge: Top up your SIM with cash at 24/7 convenience stores across Japan, or online with your credit card from the comfort of your home.
- Extended Validity: Each recharge extends your SIM’s validity.
- Data Rollover: Save unused data for up to 180 days.
- Tethering Support: Share your connection with other devices.
- Multilingual Support: Available in English, Japanese, Chinese, Portuguese, Thai, Vietnamese, and more!
- Stable Network: Enjoy fast and reliable internet through Japan’s top carriers.

How to Activate the TOP SIM (Physical SIM)

1. Insert the SIM, set up the APN, and reboot your phone.
2. Download the TOP SIM app, open it, and scan the barcode from the back of your SIM.
3. Done! Make sure airplane mode is OFF, and mobile data is ON.

How to Recharge the TOP SIM
1. Open the TOP SIM app and choose your preferred plan.
2. Choose your preferred payment method: convenience store or credit card.
3. Complete your payment — and you’re all set!

How to get and activate TOP SIM eSIM

1. Download the app and follow the on-screen steps to select and purchase a data plan.
2. Complete your payment.
3. Receive your QR code / activation code for the eSIM profile directly in the app.
4. Install the eSIM on your smartphone by following the instructions shown in the app.

Additional information
- No SMS or voice service available.
- If you forget to recharge within the validity period, you still have 7 days to recharge and extend your SIM while connected to WiFi before it becomes invalid.
- eSIM is only compatible with unlocked smartphones that support eSIM functionality.

Official website: shop.brastel.com

Download Now:
Get the TOP SIM app today and enjoy stress-free internet access!


## Version history (last 5 releases)

### 2.8.0 — 2026-08-31

- Launched the referral campaign: users can invite friends and receive free data.

- Improved the policy and terms review experience.

- Minor updates and improvements.

### 2.7.1 — 2026-06-29

- Minor updates and improvements

### 2.7.0 — 2026-05-27

- Credit card payments for recharges and eSIM purchases have been restored.

- Updated menu visuals: Live Chat and FAQ pages are now combined, and a new prize icon has been added for the referral campaign.

- Minor updates and improvements.

### 2.6.0 — 2026-03-23

- Push notifications have been added so users can receive timely alerts about SIM expiration dates, low remaining data, and other important updates.

- Minor updates and improvements.

### 2.5.1 — 2026-02-05

- Minor updates and improvements

## Apps similar to TOP SIM Brastel

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Japan Plus](https://appshunter.io/ios/app/japan-plus/id1477469994) | 4.7 (3) | Free | Utilities |
| [MynaApp (formerly Mynaportal)](https://appshunter.io/ios/app/mynaapp-formerly-mynaportal/id1476359069) | 3.0 (49) | Free | Utilities |
| [7-Eleven Multicopy](https://appshunter.io/ios/app/7-eleven-multicopy/id1562641276) | 4.6 (257) | Free | Utilities |
| [My au(マイエーユー)-料金・ギガ残量の確認アプリ](https://appshunter.io/ios/app/my-au/id479159684) | 4.2 (391) | Free | Utilities |
| [2FA QR Code App](https://appshunter.io/ios/app/2fa-qr-code-app/id6456523725) | 4.1 (453) | Free | Utilities |
| [Japan train card balance check](https://appshunter.io/ios/app/japan-train-card-balance-check/id1479319615) | 4.8 (529) | Free | Utilities |

## More apps by Brastel Co.,Ltd.

- [My 050](https://appshunter.io/ios/app/my-050/id938732994)
- [Brastel Remit - Send Money](https://appshunter.io/ios/app/brastel-remit-send-money/id1294541529)

All apps by Brastel Co.,Ltd.: https://appshunter.io/developer/1294541528

## Related topics

[topsim](https://appshunter.io/ios/topics/topsim) · [japan sim card](https://appshunter.io/ios/topics/japan-sim-card)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-03.*