# JPKI利用者ソフト vs マイナPocket

The clearest difference is update cadence: マイナPocket at every 5 weeks against JPKI利用者ソフト's every 6 months. JPKI利用者ソフト's advantage is iOS requirement (14.0 vs 16). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

JPKI利用者ソフト ships an update every 6 months, マイナPocket every 5 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | JPKI利用者ソフト | マイナPocket |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.0% of reviews | **14.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 7 MB | 16 MB |
| Requires iOS | **14.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Japan Agency for Local Authority Information Systems](https://appshunter.io/developer/1481154804) | [NTT DATA GROUP CORPORATION](https://appshunter.io/developer/478236616) |

## What reviewers say

### JPKI利用者ソフト

[App page](https://appshunter.io/ios/app/jpki/id1481154805)

This app allows users to view and verify the validity of digital certificates on their My Number Card using an iPhone. It also provides functionality to change passwords and receive notifications for certificate expiration.

**Highlights:** View digital certificate details, Verify certificate validity, Change passwords, Receive expiration notifications, Check certificate expiration dates

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### マイナPocket

[App page](https://appshunter.io/ios/app/pocket/id1579280377)

Utilize your My Number card for tax filing and identity verification. This application plans to add more My Number card-related features in the future.

**Highlights:** My Number card functionality, Tax filing, Identity verification, Future feature additions

**In-app purchases:** none


## Frequently asked questions

### Is JPKI利用者ソフト free?

JPKI利用者ソフト is free to download, with no in-app purchases.

### Is マイナPocket free?

マイナPocket is free to download, with no in-app purchases.

### Do JPKI利用者ソフト or マイナPocket have ads?

Neither JPKI利用者ソフト nor マイナPocket shows ads.

### Which is updated more often, JPKI利用者ソフト or マイナPocket?

JPKI利用者ソフト ships an update every 6 months, and マイナPocket every 5 weeks. Most recently, JPKI利用者ソフト was updated on October 16, 2026 and マイナPocket on October 16, 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.*