# JPKI利用者ソフト vs TwoDo

The clearest difference is review sentiment: TwoDo at 100% against JPKI利用者ソフト's 10%. TwoDo also leads on update cadence (every 2 days vs every 6 months). JPKI利用者ソフト's advantage is price (Free vs $0.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

JPKI利用者ソフト is free to download; TwoDo costs $0.99 up front. 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, TwoDo every 2 days. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | JPKI利用者ソフト | TwoDo |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 10.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 days** |
| Monetization | **Free** | Paid |
| Size | 7 MB | 26 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Japan Agency for Local Authority Information Systems](https://appshunter.io/developer/1481154804) | [Ryo Makishima](https://appshunter.io/developer/1588567533) |

## 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


### TwoDo

[App page](https://appshunter.io/ios/app/twodo/id1606507639)

This utility app helps couples and partners manage shared tasks like shopping lists, places to visit, and to-dos. It features real-time synchronization between devices, ensuring both partners are always updated on additions and deletions. Say goodbye to forgotten items and missed opportunities with this simple, intuitive tool.

**Highlights:** Shared task management for couples, Real-time synchronization, Simple and intuitive UI, Manages shopping, places, and to-dos, Eliminates forgotten tasks

**Features:** Vision Pro support

**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 TwoDo free?

TwoDo costs $0.99, with no in-app purchases.

### Do JPKI利用者ソフト or TwoDo have ads?

Neither JPKI利用者ソフト nor TwoDo shows ads.

### Which is updated more often, JPKI利用者ソフト or TwoDo?

JPKI利用者ソフト ships an update every 6 months, and TwoDo every 2 days. Most recently, JPKI利用者ソフト was updated on September 24, 2026 and TwoDo on September 21, 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.*