# 钢琴曲合集免费版HD vs 懂音律

The clearest difference is rating: 懂音律 at 4.9 against 钢琴曲合集免费版HD's 3.7. 懂音律 also leads on ratings volume (242 vs 3) and update cadence (every 10 days vs every 3 weeks). 钢琴曲合集免费版HD's advantage is ads (none vs shown) and iOS requirement (6.0 vs 14.0). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. 钢琴曲合集免费版HD sells 1 one-off in-app purchase and 懂音律 sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

懂音律 holds the better App Store score, 4.9 against 3.7. That said, the two scores are not equally well evidenced: 懂音律 has 242 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 100% of 钢琴曲合集免费版HD's written reviews are positive against 96% of 懂音律's, so the app with the better star average is not the one people write more warmly about.

钢琴曲合集免费版HD ships an update every 3 weeks, 懂音律 every 10 days. The most recent releases landed on October 2, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 钢琴曲合集免费版HD | 懂音律 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/hd/id859998142/reviews) | **[4.9 (242 ratings)](https://appshunter.io/ios/app/id1510270439/reviews)** |
| Number of ratings | 3 | **242** |
| Positive reviews | **100.0% of reviews** | 95.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 407 MB | 241 MB |
| Requires iOS | **6.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [静芳 沈](https://appshunter.io/developer/741522051) | [梦莹 张](https://appshunter.io/developer/1492418550) |

## What reviewers say

### 钢琴曲合集免费版HD

[App page](https://appshunter.io/ios/app/hd/id859998142)

Enjoy a vast offline collection of classic piano pieces with high-quality audio. This app offers seamless playback, background play, and customizable modes. It's designed for effortless listening, even while sleeping, and remembers your last played track.

**Highlights:** Offline playback, High-quality audio, Background play, Customizable playback modes, Sleep timer, Playback history

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 去除软件内的所有广告 | $0.99 | one-time |


### 懂音律

[App page](https://appshunter.io/ios/app/id1510270439)

Discover and practice a vast library of music scores for various instruments. Engage with a community of musicians, access AI-powered accompaniment with real-time feedback, and learn from professional teaching videos. Enhance your musical skills through interactive features and tools.

**Highlights:** Vast music score library, AI intelligent accompaniment, Real-time feedback on practice, Professional teaching videos, Community interaction and sharing, Music theory knowledge, Metronome and annotation tools

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $3.99 | per month |
| 年会员 | $24.99 | per year |
| 2年会员 | $29.99 | one-time |


## Frequently asked questions

### Is 钢琴曲合集免费版HD free?

钢琴曲合集免费版HD is free to download, with in-app purchases available.

### Is 懂音律 free?

懂音律 is free to download, with in-app purchases available.

### Which has better reviews, 钢琴曲合集免费版HD or 懂音律?

懂音律 is rated higher. 钢琴曲合集免费版HD averages 3.7 out of 5 from 3 ratings, while 懂音律 averages 4.9 from 242 ratings.

### Do 钢琴曲合集免费版HD or 懂音律 have ads?

懂音律 shows ads; 钢琴曲合集免费版HD does not.

### Which is updated more often, 钢琴曲合集免费版HD or 懂音律?

钢琴曲合集免费版HD ships an update every 3 weeks, and 懂音律 every 10 days. Most recently, 钢琴曲合集免费版HD was updated on October 2, 2026 and 懂音律 on October 20, 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.*