# MyCellstar+Sync vs My Number Card Check App

The clearest difference is update cadence: My Number Card Check App at monthly against MyCellstar+Sync's every 6 months. MyCellstar+Sync's advantage is iOS requirement (9.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

MyCellstar+Sync ships an update every 6 months, My Number Card Check App monthly. The most recent releases landed on May 17, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MyCellstar+Sync | My Number Card Check App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (3 ratings)](https://appshunter.io/ios/app/my-number-card-check-app/id6557056813/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 31.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | — | Free |
| Size | 6 MB | 18 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CELLSTAR INDUSTRIES Co.,Ltd.](https://appshunter.io/developer/647129566) | [デジタル庁](https://appshunter.io/developer/1353779871) |

## What reviewers say

### MyCellstar+Sync

[App page](https://appshunter.io/ios/app/mycellstar-plus-sync/id647129563)

**Features:** macOS Compatibility

**In-app purchases:** none


### My Number Card Check App

[App page](https://appshunter.io/ios/app/my-number-card-check-app/id6557056813)

This app scans and reads the IC chip of a My Number Card to verify personal data. It's designed for businesses and local government to confirm the identity of customers and residents.

**Highlights:** Scan My Number Card IC chip, Read personal data, Verify name and personal information, Identity verification for businesses, Identity verification for local government

**In-app purchases:** none

**What reviewers like**

- 👍 Can confirm registration details
- 👍 Can be used by individuals
- 👍 Convenient to not carry card
- 👍 Easy to confirm registration
- 👍 Simple and easy to use

**What reviewers complain about**

- 🐛 Difficult to understand usage
- 🐛 Registration is difficult
- 🐛 Errors during registration
- 🐛 Birthday input format unclear
- 🐛 Reading accuracy issues

**Reported bugs**

- Errors during registration
- Birthday input format issue
- Reading accuracy problems
- Cannot read My Number Card
- Cannot proceed after reading

**Requested features**

- Make PIN settings optional
- Add English language support
- Improve birthday input clarity
- Provide clearer usage instructions
- Allow history deletion


## Frequently asked questions

### Is MyCellstar+Sync free?

MyCellstar+Sync is free to download, with no in-app purchases.

### Is My Number Card Check App free?

My Number Card Check App is free to download, with no in-app purchases.

### Do MyCellstar+Sync or My Number Card Check App have ads?

Neither MyCellstar+Sync nor My Number Card Check App shows ads.

### Which is updated more often, MyCellstar+Sync or My Number Card Check App?

MyCellstar+Sync ships an update every 6 months, and My Number Card Check App monthly. Most recently, MyCellstar+Sync was updated on May 17, 2026 and My Number Card Check App on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*