# KeepBackPlay vs STERO Lite

The clearest difference is in-app purchases: KeepBackPlay at none against STERO Lite's 10. KeepBackPlay also leads on device support (4 vs 2) and iOS requirement (15.0 vs 26.2). STERO Lite's advantage is update cadence (every 5 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. STERO Lite sells 10 in-app purchases, starting at $1.99 per month. KeepBackPlay asks for nothing beyond the download.

KeepBackPlay ships an update every 3 weeks, STERO Lite every 5 days. The most recent releases landed on September 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | KeepBackPlay | STERO Lite |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 134 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Jeurissen](https://appshunter.io/developer/1543382149) | [Minwoo Jung](https://appshunter.io/developer/1870815321) |

## What reviewers say

### KeepBackPlay

[App page](https://appshunter.io/ios/app/keepbackplay/id6755731215)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### STERO Lite

[App page](https://appshunter.io/ios/app/stero-lite/id6758091280)

This app is a personal music player for your owned audio files. It offers advanced playback features, AI music generation tools, and real-time audio customization. Create, manage, and enjoy your music library with unique sound manipulation capabilities.

**Highlights:** Local audio file playback, Channel mixing for stereo output, AI music generation via conversation/humming, Generated music library management, Real-time audio visualization, Vocal separation and voice transformation, Audio extraction from video

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $1.99 | per month |
| Basic | $4.99 | per month |
| Creator | $9.99 | per month |
| 크레딧 1곡 선물 | $0.49 | one-time |
| 1곡 크레딧 | $0.49 | one-time |
| Lab 도구 5회 사용권 | $0.49 | one-time |
| Starter 1개월 선물 | $1.99 | one-time |
| 크레딧 5곡 선물 | $2.99 | one-time |
| Basic 1개월 선물 | $3.99 | one-time |
| Creator 1개월 선물 | $9.99 | one-time |


## Frequently asked questions

### Is KeepBackPlay free?

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

### Is STERO Lite free?

STERO Lite is free to download, with in-app purchases available.

### Do KeepBackPlay or STERO Lite have ads?

Neither KeepBackPlay nor STERO Lite shows ads.

### Which is updated more often, KeepBackPlay or STERO Lite?

KeepBackPlay ships an update every 3 weeks, and STERO Lite every 5 days. Most recently, KeepBackPlay was updated on September 13, 2026 and STERO Lite on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*