# Fretuoso vs 于斯课堂

The clearest difference is price: 于斯课堂 at Free against Fretuoso's $79.99. 于斯课堂 also leads on rating (5.0 vs 4.6) and iOS requirement (8.0 vs 17.0). Fretuoso's advantage is in-app purchases (none vs 10) and ratings volume (36 vs 1). On update cadence, ads and device support there is nothing between them.

于斯课堂 is free to download; Fretuoso costs $79.99 up front. 于斯课堂 sells 9 one-off in-app purchases. Fretuoso asks for nothing beyond the download.

于斯课堂 holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Fretuoso has 36 ratings behind it against 1, so its average is the more settled of the two.

Fretuoso ships an update fortnightly, 于斯课堂 every 3 weeks. The most recent releases landed on September 23, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Fretuoso | 于斯课堂 |
| --- | --- | --- |
| Price | $79.99 | **Free** |
| Rating | [4.6 (36 ratings)](https://appshunter.io/ios/app/fretuoso-complete-edition/id586162387/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1012781237/reviews)** |
| Number of ratings | **36** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 65 MB | 116 MB |
| Requires iOS | 17.0 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Catloaf Software LLC](https://appshunter.io/developer/316792340) | [于斯教育科技(上海)有限公司](https://appshunter.io/developer/1001134040) |

## What reviewers say

### Fretuoso

[App page](https://appshunter.io/ios/app/fretuoso-complete-edition/id586162387)

Master the fretboard of various stringed instruments with this engaging educational game. Learn note locations, read sheet music, and track your progress with customized training modes. Supports multiple instruments and flexible tunings.

**Highlights:** Learn fretboard note locations, Staff training mode for sheet music, Supports 11 instruments (guitar, bass, ukulele, etc.), Customizable practice modes, Flexible tuning options, Progress tracking and statistics, Competitive Game Mode with Game Center integration

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

**In-app purchases:** none


### 于斯课堂

[App page](https://appshunter.io/ios/app/id1012781237)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7天VIP会员 | $14.99 | one-time |
| 298嗡币 | $46.99 | one-time |
| 1个月VIP会员 | $59.99 | one-time |
| 3个月VIP会员 | $109.99 | one-time |
| 998嗡币 | $149.99 | one-time |
| 6个月VIP会员 | $149.99 | one-time |
| 12个月VIP会员 | $199.99 | one-time |
| 1998嗡币 | $299.99 | one-time |
| 24个月VIP会员 | $299.99 | one-time |


## Frequently asked questions

### Is Fretuoso free?

Fretuoso costs $79.99, with no in-app purchases.

### Is 于斯课堂 free?

于斯课堂 is free to download, with in-app purchases available.

### Which has better reviews, Fretuoso or 于斯课堂?

于斯课堂 is rated higher. Fretuoso averages 4.6 out of 5 from 36 ratings, while 于斯课堂 averages 5.0 from 1 ratings.

### Do Fretuoso or 于斯课堂 have ads?

Neither Fretuoso nor 于斯课堂 shows ads.

### Which is updated more often, Fretuoso or 于斯课堂?

Fretuoso ships an update fortnightly, and 于斯课堂 every 3 weeks. Most recently, Fretuoso was updated on September 23, 2026 and 于斯课堂 on June 11, 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.*