# PPM系统 vs MELO音乐

The clearest difference is in-app purchases: PPM系统 at none against MELO音乐's 13. PPM系统 also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MELO音乐 sells 13 in-app purchases, starting at $6.99 per month. PPM系统 asks for nothing beyond the download.

PPM系统 ships an update every 9 days, MELO音乐 every 6 days. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PPM系统 | MELO音乐 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/melo-ai/id6757378827/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 90.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 120 MB | 78 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [飞虎 官](https://appshunter.io/developer/1489124008) | [北京灵犀深智科技有限公司](https://appshunter.io/developer/1700799886) |

## What reviewers say

### PPM系统

[App page](https://appshunter.io/ios/app/ppm/id1489124009)

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

**In-app purchases:** none


### MELO音乐

[App page](https://appshunter.io/ios/app/melo-ai/id6757378827)

Create professional-quality original songs in minutes with AI, even without musical knowledge. Transform text, voice, or images into various music genres. This app offers copyright ownership and commercial use rights for member creations.

**Highlights:** AI-powered song creation, Multi-modal input (text, voice, image), Diverse music genre support, One-click song inspiration extraction, Copyright ownership for members, High-quality audio export (WAV), Commercial use and distribution

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 生活艺术家  - 连续包月 | $6.99 | per month |
| MELO音乐会员58(生活艺术家) | $7.99 | per month |
| 传奇音乐人- 连续包年 | $49.99 | per year |
| 确权证书 | $0.99 | one-time |
| 500积分 | $2.99 | one-time |
| 版权转让+确权证书 | $2.99 | one-time |
| 1600积分 | $7.99 | one-time |
| 生活艺术家  单月卡 | $9.99 | one-time |
| 5000积分 | $17.99 | one-time |
| 8000积分 | $24.99 | one-time |
| 16000积分 | $49.99 | one-time |
| 30000积分 | $69.99 | one-time |
| 传奇音乐人- 1年卡 | $79.99 | one-time |


## Frequently asked questions

### Is PPM系统 free?

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

### Is MELO音乐 free?

MELO音乐 is free to download, with in-app purchases available.

### Do PPM系统 or MELO音乐 have ads?

Neither PPM系统 nor MELO音乐 shows ads.

### Which is updated more often, PPM系统 or MELO音乐?

PPM系统 ships an update every 9 days, and MELO音乐 every 6 days. Most recently, PPM系统 was updated on October 14, 2026 and MELO音乐 on October 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.*