# Stem Split vs AIMusic

The clearest difference is review sentiment: Stem Split at 100% against AIMusic's 40%. Stem Split also leads on ads (none vs shown). AIMusic's advantage is update cadence (every 4 months vs every 17 months) and iOS requirement (16.0 vs 18.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Stem Split sells 1 one-off in-app purchase and AIMusic sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Stem Split ships an update every 17 months, AIMusic every 4 months. The most recent releases landed on September 15, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Stem Split | AIMusic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (4 ratings)](https://appshunter.io/ios/app/stem-split/id6449464291/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **100.0% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 179 MB | 65 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mellowmuse Ltd](https://appshunter.io/developer/425710925) | [Nishaben Patel](https://appshunter.io/developer/1436039105) |

## What reviewers say

### Stem Split

[App page](https://appshunter.io/ios/app/stem-split/id6449464291)

This app separates any song into four audio stems: vocals, accompaniment, bass, and drums. All processing happens on your device, ensuring privacy and no uploads. You can then adjust the level, tempo, and pitch of these stems in real-time.

**Highlights:** Separate songs into 4 audio stems, On-device processing, Real-time level, tempo, and pitch adjustment, Import from Files app and iTunes, Supports WAV, AIFF, MP3, and MP4 formats, Export stems for sharing and other apps

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vocal Split | $3.99 | one-time |


### AIMusic

[App page](https://appshunter.io/ios/app/aimusic-vocal-remover/id6477321753)

Easily extract vocals or instruments from any song or video. Create karaoke tracks, isolate stems for remixes, or replace audio in videos. Offers advanced AI separation and editing tools for musicians and creators.

**Highlights:** AI vocal and instrument isolation, Karaoke track creation, Video to audio extraction, Audio replacement in videos, Trim, merge, and mix audio, Pitch and speed adjustment

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Auto Renewable | $2.99 | per month |
| Yearly Auto Renewable | $14.99 | per year |
| LifeTime Subscription | $29.99 | one-time |


## Frequently asked questions

### Is Stem Split free?

Stem Split is free to download, with in-app purchases available.

### Is AIMusic free?

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

### Do Stem Split or AIMusic have ads?

AIMusic shows ads; Stem Split does not.

### Which is updated more often, Stem Split or AIMusic?

Stem Split ships an update every 17 months, and AIMusic every 4 months. Most recently, Stem Split was updated on September 15, 2026 and AIMusic on September 26, 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.*