# Stem Split vs Ultimate Tuner Pro

The clearest difference is ads: Stem Split at none against Ultimate Tuner Pro's shown. Stem Split also leads on update cadence (every 8 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Stem Split sells 11 in-app purchases, starting at $6.99 per 7 days and Ultimate Tuner Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Stem Split ships an update every 8 days, Ultimate Tuner Pro every 3 weeks. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stem Split | Ultimate Tuner Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.4K ratings)](https://appshunter.io/ios/app/stem-split-ai-vocal-remover/id6742150522/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 148 MB | 54 MB |
| Requires iOS | 16.4 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Music AI Studio](https://appshunter.io/developer/1796160577) | [Ernest Soler](https://appshunter.io/developer/1854389717) |

## What reviewers say

### Stem Split

[App page](https://appshunter.io/ios/app/stem-split-ai-vocal-remover/id6742150522)

This app uses AI to instantly separate any song into its individual instrumental and vocal components. It's designed for musicians to isolate specific parts for practice, remixing, or study, offering clean and precise stem extraction.

**Highlights:** AI vocal remover, Music separator, Instrument separator, Audio splitter, Karaoke version creator, Stem export

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $6.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Weekly Subscription | $9.99 | per 7 days |
| Year Subscription | $19.99 | per year |
| Monthly Subscription | $19.99 | per month |
| Yearly subscription | $39.99 | per year |
| Yearly subscription | $49.99 | per year |
| Lifetime | $19.99 | one-time |
| Lifetime Offer | $44.99 | one-time |
| Lifetime 20% off | $59.99 | one-time |
| Lifetime Access | $69.99 | one-time |


### Ultimate Tuner Pro

[App page](https://appshunter.io/ios/app/ultimate-tuner-pro/id6755526801)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Features Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Stem Split free?

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

### Is Ultimate Tuner Pro free?

Ultimate Tuner Pro is free to download, with in-app purchases available.

### Do Stem Split or Ultimate Tuner Pro have ads?

Ultimate Tuner Pro shows ads; Stem Split does not.

### Which is updated more often, Stem Split or Ultimate Tuner Pro?

Stem Split ships an update every 8 days, and Ultimate Tuner Pro every 3 weeks. Most recently, Stem Split was updated on October 31, 2026 and Ultimate Tuner Pro on October 24, 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.*