Comparison

Star Data vs TOP SIM Brastel

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Star Data

Features
Read full description

Star Data App is an App under DEEPER CO., LTD. that integrates the functions of purchasing and recharging of WiFi, SIM card and eSIM in one. Users can purchase global data, and recharge various data packages on it anytime and anywhere. It is easy to operate, supports multiple languages and multiple currency formats and ready to provide convenience for your life and travel.

About

TOP SIM Brastel

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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!

Screenshots

Star Data4 screens
TOP SIM Brastel4 screens

Verdict

The call

The clearest difference is update cadence: TOP SIM Brastel at monthly against Star Data's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Star Data ships an update every 2 months, TOP SIM Brastel monthly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 5 level
Star Data versus TOP SIM Brastel: the parameters behind the verdict, then further details
ParameterStar DataTOP SIM Brastel
PriceFreeFree
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size36 MB52 MB
Age rating17+4+
DeveloperDeeper Co., Ltd.Brastel Co.,Ltd.

In-app purchases

None

Star Data

No in-app purchases

None

TOP SIM Brastel

No in-app purchases

Questions

Is Star Data free?
Star Data is free to download, with no in-app purchases.
Is TOP SIM Brastel free?
TOP SIM Brastel is free to download, with no in-app purchases.
Do Star Data or TOP SIM Brastel have ads?
Neither Star Data nor TOP SIM Brastel shows ads.
Which is updated more often, Star Data or TOP SIM Brastel?
Star Data ships an update every 2 months, and TOP SIM Brastel monthly. Most recently, Star Data was updated on October 24, 2026 and TOP SIM Brastel on October 30, 2026.

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