# 玖月琴侣 vs 胖小鹿智能陪练

The clearest difference is in-app purchases: 胖小鹿智能陪练 at none against 玖月琴侣's 10. 胖小鹿智能陪练 also leads on update cadence (fortnightly vs every 2 months). 玖月琴侣's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. 玖月琴侣 sells 10 in-app purchases, starting at $2.99 per month. 胖小鹿智能陪练 asks for nothing beyond the download.

玖月琴侣 ships an update every 2 months, 胖小鹿智能陪练 fortnightly. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 玖月琴侣 | 胖小鹿智能陪练 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 115 MB | 158 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [玖月屿科技(三亚)有限公司](https://appshunter.io/developer/1847513571) | [北京音未科技有限公司](https://appshunter.io/developer/1537070513) |

## What reviewers say

### 玖月琴侣

[App page](https://appshunter.io/ios/app/id997239267)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 快乐斑马智能曲谱服务连续包月 | $2.99 | per month |
| 快乐斑马 VIP会员1个月 | $7.99 | one-time |
| 云课堂课时课时包1 | $9.99 | one-time |
| 快乐斑马 VIP会员6个月 | $19.99 | one-time |
| 云课堂课时课时包2 | $19.99 | one-time |
| 快乐斑马教辅功能3个月 | $22.99 | one-time |
| 快乐斑马 VIP会员12个月 | $27.99 | one-time |
| 快乐斑马教辅功能6个月 | $46.99 | one-time |
| 云课堂课时课时包3 | $48.99 | one-time |
| 快乐斑马教辅功能12个月 | $89.99 | one-time |


### 胖小鹿智能陪练

[App page](https://appshunter.io/ios/app/ai/id1537070511)

This app uses AI to provide real-time feedback on piano playing, helping children learn and practice more effectively. It covers a wide range of music books and offers different modes to suit various learning stages.

**Highlights:** AI-powered real-time error correction, Global player PK for practice motivation, Comprehensive coverage of piano textbooks, On-demand score creation service, Three learning modes: sight-reading, improvement, challenge, AI-driven performance evaluation and guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 玖月琴侣 free?

玖月琴侣 is free to download, with in-app purchases available.

### Is 胖小鹿智能陪练 free?

胖小鹿智能陪练 is free to download, with no in-app purchases.

### Do 玖月琴侣 or 胖小鹿智能陪练 have ads?

Neither 玖月琴侣 nor 胖小鹿智能陪练 shows ads.

### Which is updated more often, 玖月琴侣 or 胖小鹿智能陪练?

玖月琴侣 ships an update every 2 months, and 胖小鹿智能陪练 fortnightly. Most recently, 玖月琴侣 was updated on September 25, 2026 and 胖小鹿智能陪练 on September 19, 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.*