# Beat Time! vs Guitar Permutation Trainer

The clearest difference is update cadence: Guitar Permutation Trainer at every 3 days against Beat Time!'s every 3 weeks. Guitar Permutation Trainer also leads on price ($1.99 vs $6.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Beat Time! costs $6.99 and Guitar Permutation Trainer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Beat Time! ships an update every 3 weeks, Guitar Permutation Trainer every 3 days. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Beat Time! | Guitar Permutation Trainer |
| --- | --- | --- |
| Price | $6.99 | **$1.99** |
| Rating | **[3.4 (72 ratings)](https://appshunter.io/ios/app/beat-time/id469390635/reviews)** | — |
| Number of ratings | **72** | — |
| Positive reviews | 62.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Paid | — |
| Size | 44 MB | 3 MB |
| Requires iOS | **18.0** | 18.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Guy Shaviv](https://appshunter.io/developer/301042830) | [Benjamin Chouinard](https://appshunter.io/developer/1826188450) |

## What reviewers say

### Beat Time!

[App page](https://appshunter.io/ios/app/beat-time/id469390635)

This app allows musicians to practice and transcribe audio and video by changing tempo and pitch without affecting quality. It offers advanced features like note and chord detection, seamless looping, and annotation tools. Play content from various sources, including your device library and YouTube.

**Highlights:** Time stretch audio/video (1/4x to 2x), Pitch shift audio/video (up to 1 octave), Natural pitch shifting for voices, Note and chord detection, Seamless looping with optional pause, Annotate tracks with markers, Play YouTube videos

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

**In-app purchases:** none

**What reviewers like**

- 🎵 Excellent audio quality when slowing down videos
- ⚡ Fast and responsive performance
- 🎸 Perfect tool for musicians learning songs
- 🔄 Reliable pitch shifting without distortion
- 📱 Works seamlessly with YouTube integration

**What reviewers complain about**

- 🐛 Frequent crashes on export
- 🐛 App crashes when loading YouTube videos
- 😕 Confusing and unintuitive user interface
- 🔄 YouTube integration breaks after updates
- ⚠️ No documentation or user instructions

**Reported bugs**

- YouTube video import fails with 'error reading file'
- App crashes when exporting audio files
- Black screen appears when loading YouTube audio
- Download button stops working without app restart
- Infinite buffering with 'Preparing for Playback' message

**Requested features**

- Reverse audio capability
- AU3 plugin option
- Dark mode interface
- Better file organization and alphabetical sorting
- Step forward/backward navigation buttons


### Guitar Permutation Trainer

[App page](https://appshunter.io/ios/app/guitar-permutation-trainer/id6748545844)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Beat Time! free?

Beat Time! costs $6.99, with no in-app purchases.

### Is Guitar Permutation Trainer free?

Guitar Permutation Trainer costs $1.99, with no in-app purchases.

### Do Beat Time! or Guitar Permutation Trainer have ads?

Neither Beat Time! nor Guitar Permutation Trainer shows ads.

### Which is updated more often, Beat Time! or Guitar Permutation Trainer?

Beat Time! ships an update every 3 weeks, and Guitar Permutation Trainer every 3 days. Most recently, Beat Time! was updated on October 14, 2026 and Guitar Permutation Trainer on October 10, 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.*