# GPMuse vs HearBack

The clearest difference is in-app purchases: GPMuse at none against HearBack's 3. HearBack's advantage is update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HearBack sells 3 in-app purchases, starting at $7.99 per month. GPMuse asks for nothing beyond the download.

GPMuse ships an update every 2 weeks, HearBack daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | GPMuse | HearBack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 37 MB | 34 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hung Truong Khanh](https://appshunter.io/developer/1762420034) | [Ahmet Can Guven](https://appshunter.io/developer/1546543823) |

## What reviewers say

### GPMuse

[App page](https://appshunter.io/ios/app/gpmuse-music-notation/id6761681276)

**Features:** Vision Pro support

**In-app purchases:** none


### HearBack

[App page](https://appshunter.io/ios/app/hearback-ear-training/id6814136977)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HearBack Pro Monthly | $7.99 | per month |
| HearBack Pro Yearly | $49.99 | per year |
| HearBack Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is GPMuse free?

GPMuse is free to download, with no in-app purchases.

### Is HearBack free?

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

### Do GPMuse or HearBack have ads?

Neither GPMuse nor HearBack shows ads.

### Which is updated more often, GPMuse or HearBack?

GPMuse ships an update every 2 weeks, and HearBack daily. Most recently, GPMuse was updated on October 31, 2026 and HearBack on October 31, 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.*