# Ruffio vs Slowdan

The clearest difference is device support: Ruffio at 3 against Slowdan's 1. Ruffio also leads on iOS requirement (15.0 vs 18.1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ruffio ships an update every 10 days, Slowdan fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ruffio | Slowdan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (442 ratings)](https://appshunter.io/ios/app/ruffio-backing-track-creator/id1544449867/reviews)** | — |
| Number of ratings | **442** | — |
| Positive reviews | 65.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Paid | — |
| Size | 59 MB | 11 MB |
| Requires iOS | **15.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Rufus Mall](https://appshunter.io/developer/887043621) | [DANIEL ALEXANDER GILLIGAN](https://appshunter.io/developer/1807492042) |

## What reviewers say

### Ruffio

[App page](https://appshunter.io/ios/app/ruffio-backing-track-creator/id1544449867)

This app uses advanced AI to split any song into its individual instrument stems, allowing you to mute or isolate vocals, drums, bass, and more. Create custom backing tracks, karaoke versions, or practice your instrument with isolated parts. All processing happens on your device for privacy and offline use.

**Highlights:** AI stem separation, Mute vocals for karaoke, Isolate instruments for practice, Real-time mixing controls, Offline audio processing, Supports various audio/video formats

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

**In-app purchases:** none

**What reviewers like**

- 🎵 Excellent audio stem separation quality
- 💰 Completely free with no ads
- 👍 User-friendly and easy to use
- 🚀 Fast and efficient processing
- ⭐ Works better than paid competitors

**What reviewers complain about**

- 🐛 YouTube import feature frequently broken
- 📱 iPad compatibility issues and crashes
- 🔊 Audio quality sometimes muddy or unclear
- 🎚️ Slider controls can be imprecise
- ❌ Missing export/save functionality

**Reported bugs**

- YouTube import not working (multiple reports)
- App crashes on iPad
- Audio phasing in and out during playback
- Sliders not responding to input
- Staticky sound quality

**Requested features**

- Export stems as individual audio files
- Pitch change and tempo adjustment
- Ability to play songs backwards
- Better slider controls and responsiveness
- Playlist management system


### Slowdan

[App page](https://appshunter.io/ios/app/slowdan/id6755439724)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ruffio free?

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

### Is Slowdan free?

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

### Do Ruffio or Slowdan have ads?

Neither Ruffio nor Slowdan shows ads.

### Which is updated more often, Ruffio or Slowdan?

Ruffio ships an update every 10 days, and Slowdan fortnightly. Most recently, Ruffio was updated on October 27, 2026 and Slowdan on October 25, 2026.

---

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