# iStem — Extract vocals and instruments

> Extract vocals and instruments (iPhone/iPad app by Jan Maes.)

- Source: https://appshunter.io/ios/app/istem/id6793296941 (this page in markdown: same URL + `.md`)
- Developer: [Jan Maes](https://appshunter.io/developer/1550506252)
- Category: Music, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 79 MB
- Languages: American English
- Released: 2026-08-27
- Data updated: 2026-08-31
- User reviews in markdown: https://appshunter.io/ios/app/istem/id6793296941/reviews.md

## What is iStem?

iStem lets you split songs into drums, bass, vocals, and other instruments, remix them, and practice with tempo/pitch/metronome controls.

Features:
  - Split in instrument/vocal tracks
  - Detect beats
  - Count-in function
  - Speed up or slow down songs
  - Change pitch
  - Set up loops for detailed practice
  - No login or user data required
  - All computation is done on the device
  - Export to file

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| iStem Activation | $4.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-08-27

No release notes.

## More apps by Jan Maes

- [Groovy Metronome](https://appshunter.io/ios/app/groovy-metronome/id1550506250)
- [Losing chess](https://appshunter.io/ios/app/losing-chess/id1556993151)
- [Groovy Pianotuner](https://appshunter.io/ios/app/groovy-pianotuner/id1565645496)
- [ASMR Marble](https://appshunter.io/ios/app/asmr-marble/id1576763348)
- [jAmp 8100](https://appshunter.io/ios/app/jamp-8100/id6450633716)
- [Cab ML](https://appshunter.io/ios/app/cab-ml/id6469339928)

All apps by Jan Maes: https://appshunter.io/developer/1550506252

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-31.*