# NaniBook vs YuCloth

The clearest difference is update cadence: NaniBook at fortnightly against YuCloth's every 41 months. 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.

NaniBook ships an update fortnightly, YuCloth every 41 months. The most recent releases landed on November 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | NaniBook | YuCloth |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 41 months |
| Monetization | Free | — |
| Size | 154 MB | 2 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nani](https://appshunter.io/developer/781310152) | [Your Health Technology Co., Ltd.](https://appshunter.io/developer/1530569290) |

## What reviewers say

### NaniBook

[App page](https://appshunter.io/ios/app/nanibook/id1533372296)

Transform textbooks into engaging digital lessons with this app. It facilitates synchronized learning for entire classes across various devices, enriching educational content with multimedia elements like videos and animations.

**Highlights:** Synchronized whole-class learning, Supports tablets, computers, and touch screens, Integrates multimedia (videos, animations), Aligns with elementary/middle school curricula, Interactive learning materials

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

**In-app purchases:** none

**What reviewers like**

- 👍 Can be used for home learning
- 👍 Useful for teachers
- 👍 Some users find it helpful when textbooks are not available
- 👍 Some users find it helpful for finding answers and doing homework

**What reviewers complain about**

- 🐛 Constant crashing (閃退)
- 🐛 Slow download speeds
- 🐛 Students cannot log in or use the app
- 🐛 App is unusable after OS updates (e.g., iPadOS 18)
- 🐛 Cannot download ebooks

**Reported bugs**

- App crashes frequently
- Ebooks cannot be downloaded
- Cannot log in
- App is unusable after OS updates
- Cannot switch between exercises or textbooks

**Requested features**

- Allow students to log in and use the app
- Improve download speeds
- Fix crashing issues
- Ensure compatibility with latest OS versions
- Allow deletion or cancellation of downloads


### YuCloth

[App page](https://appshunter.io/ios/app/yucloth/id1542359987)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NaniBook free?

NaniBook is free to download, with no in-app purchases.

### Is YuCloth free?

YuCloth is free to download, with no in-app purchases.

### Do NaniBook or YuCloth have ads?

Neither NaniBook nor YuCloth shows ads.

### Which is updated more often, NaniBook or YuCloth?

NaniBook ships an update fortnightly, and YuCloth every 41 months. Most recently, NaniBook was updated on November 7, 2026 and YuCloth on October 27, 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.*