# Sight reading vs 乐理手册

The clearest difference is rating: Sight reading at 4.8 against 乐理手册's 3.9. Sight reading also leads on in-app purchases (none vs 4) and review sentiment (95% vs 66%). 乐理手册's advantage is update cadence (every 2 weeks vs every 128 months) and iOS requirement (14.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. 乐理手册 sells 4 in-app purchases, starting at $2.49 per month. Sight reading asks for nothing beyond the download.

Sight reading holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Sight reading has 1.3K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 95% of Sight reading's written reviews are positive against 66% of 乐理手册's.

Sight reading ships an update every 128 months, 乐理手册 every 2 weeks. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Sight reading | 乐理手册 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.3K ratings)](https://appshunter.io/ios/app/sight-reading/id645235760/reviews)** | [3.9 (15 ratings)](https://appshunter.io/ios/app/id1572795413/reviews) |
| Number of ratings | **1.3K** | 15 |
| Positive reviews | **94.7% of reviews** | 65.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 128 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 328 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hsin Hsuan Chen](https://appshunter.io/developer/1514533218) | [Beijing Laiyin Innovation Technology Co., Ltd.](https://appshunter.io/developer/6810118949) |

## What reviewers say

### Sight reading

[App page](https://appshunter.io/ios/app/sight-reading/id645235760)

This app helps beginners learn to read sheet music by providing random note exercises. It simulates a keyboard to play the notes, allowing users to practice recognizing musical sounds instantly. Users can customize the number of questions and choose between treble or bass clefs.

**Highlights:** Random note generation, Analog keyboard simulation, Audible note playback, Customizable question count, Treble and bass clef selection

**In-app purchases:** none


### 乐理手册

[App page](https://appshunter.io/ios/app/id1572795413)

This app helps music enthusiasts learn music theory, practice sight-singing, and ear training. It offers a comprehensive question bank with art exam simulations and integrated ear training exercises to improve listening and vocal skills.

**Highlights:** Music theory question bank, Art exam simulations, Integrated sight-singing and ear training, Music theory dictionary, Sheet music practice with virtual keyboard

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 乐理手册-月会员 | $2.49 | per month |
| 乐理手册-季会员 | $5.99 | per 3 months |
| 乐理手册-年会员 | $9.99 | per year |
| 终身会员 | $2.99 | one-time |


## Frequently asked questions

### Is Sight reading free?

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

### Is 乐理手册 free?

乐理手册 is free to download, with in-app purchases available.

### Which has better reviews, Sight reading or 乐理手册?

Sight reading is rated higher. Sight reading averages 4.8 out of 5 from 1.3K ratings, while 乐理手册 averages 3.9 from 15 ratings.

### Which is updated more often, Sight reading or 乐理手册?

Sight reading ships an update every 128 months, and 乐理手册 every 2 weeks. Most recently, Sight reading was updated on September 26, 2026 and 乐理手册 on September 25, 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.*