# デジタル体育 vs UDリーダー

The clearest difference is update cadence: UDリーダー at every 3 weeks against デジタル体育's every 12 months. UDリーダー also leads on iOS requirement (15.0 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.

デジタル体育 ships an update every 12 months, UDリーダー every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | デジタル体育 | UDリーダー |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 2.1 GB | 9 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [KOBUNSHOIN PUBLISHING CO., LTD.](https://appshunter.io/developer/628293133) | [kazuhito ujima](https://appshunter.io/developer/1440096648) |

## What reviewers say

### デジタル体育

[App page](https://appshunter.io/ios/app/id969936351)

**Features:** Vision Pro support

**In-app purchases:** none


### UDリーダー

[App page](https://appshunter.io/ios/app/ud/id1637356914)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is デジタル体育 free?

デジタル体育 is free to download, with no in-app purchases.

### Is UDリーダー free?

UDリーダー is free to download, with no in-app purchases.

### Do デジタル体育 or UDリーダー have ads?

Neither デジタル体育 nor UDリーダー shows ads.

### Which is updated more often, デジタル体育 or UDリーダー?

デジタル体育 ships an update every 12 months, and UDリーダー every 3 weeks. Most recently, デジタル体育 was updated on November 1, 2026 and UDリーダー on November 7, 2026.

---

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