# しゃべる教科書 vs UDリーダー

The clearest difference is price: UDリーダー at Free against しゃべる教科書's $19.99. UDリーダー also leads on update cadence (every 3 weeks vs every 4 months). しゃべる教科書's advantage is device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

UDリーダー is free to download; しゃべる教科書 costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

しゃべる教科書 ships an update every 4 months, UDリーダー every 3 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | しゃべる教科書 | UDリーダー |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 25 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [CYPAC Co.,Inc.](https://appshunter.io/developer/335608382) | [kazuhito ujima](https://appshunter.io/developer/1440096648) |

## What reviewers say

### しゃべる教科書

[App page](https://appshunter.io/ios/app/id1501658684)

**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 しゃべる教科書 free?

しゃべる教科書 costs $19.99, 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 しゃべる教科書 or UDリーダー have ads?

Neither しゃべる教科書 nor UDリーダー shows ads.

### Which is updated more often, しゃべる教科書 or UDリーダー?

しゃべる教科書 ships an update every 4 months, and UDリーダー every 3 weeks. Most recently, しゃべる教科書 was updated on November 7, 2026 and UDリーダー on November 7, 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.*