# mimiCopy vs Extrack

The clearest difference is price: Extrack at Free against mimiCopy's $4.99. mimiCopy's advantage is review sentiment (70% vs 37%) and rating (4.2 vs 3.8). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Extrack is free to download; mimiCopy costs $4.99 up front. mimiCopy sells 1 one-off in-app purchase and Extrack sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

mimiCopy holds the better App Store score, 4.2 against 3.8. Both are backed by a comparable volume of ratings — 10 and 24 respectively. Written reviews point the same way: 70% of mimiCopy's written reviews are positive against 37% of Extrack's.

mimiCopy ships an update every 2 months, Extrack every 6 weeks. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | mimiCopy | Extrack |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/mimicopy-slow-down-player/id405894824/reviews)** | [3.8 (24 ratings)](https://appshunter.io/ios/app/extrack-stem-separatorchord/id6504546276/reviews) |
| Number of ratings | 10 | **24** |
| Positive reviews | **70.5% of reviews** | 36.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 6 MB | 604 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ART Teknika Inc.](https://appshunter.io/developer/405894827) | [Yamaha Corporation](https://appshunter.io/developer/353469356) |

## What reviewers say

### mimiCopy

[App page](https://appshunter.io/ios/app/mimicopy-slow-down-player/id405894824)

This music player allows musicians to slow down tracks without altering pitch, set loops, and rewind quickly to learn songs by ear. It also supports importing music from your library and offers file import via WiFi or USB.

**Highlights:** Slow down playback without pitch change, Set A-B loops, Waveform view, Quick rewind function, Import from iPod library, File import via WiFi/USB

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro version | $4.99 | one-time |


### Extrack

[App page](https://appshunter.io/ios/app/extrack-stem-separatorchord/id6504546276)

Instantly split songs into individual instrument parts and analyze chords in real-time. Adjust volumes, practice "minus one" style, and visualize chord fingerings for guitar or piano. Perfect for musicians of all levels looking to jam along with their favorite tracks.

**Highlights:** Instrumental stem separation, Real-time chord analysis, Adjustable instrument volumes, Practice 'minus one' mode, Visual chord fingering guides, Tempo and key adjustment, Section looping

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $5.99 | per month |
| Yearly Plan | $39.99 | per year |


## Frequently asked questions

### Is mimiCopy free?

mimiCopy costs $4.99, and also offers in-app purchases.

### Is Extrack free?

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

### Which has better reviews, mimiCopy or Extrack?

mimiCopy is rated higher. mimiCopy averages 4.2 out of 5 from 10 ratings, while Extrack averages 3.8 from 24 ratings.

### Do mimiCopy or Extrack have ads?

Neither mimiCopy nor Extrack shows ads.

### Which is updated more often, mimiCopy or Extrack?

mimiCopy ships an update every 2 months, and Extrack every 6 weeks. Most recently, mimiCopy was updated on October 16, 2026 and Extrack on October 14, 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.*