# FretMachine vs HarmonyAngel

The clearest difference is update cadence: FretMachine at daily against HarmonyAngel's every 4 weeks. FretMachine also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FretMachine sells 1 one-off in-app purchase and HarmonyAngel sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

FretMachine ships an update daily, HarmonyAngel every 4 weeks. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FretMachine | HarmonyAngel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fretmachine-guitar-sequencer/id6772944355/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 weeks |
| Monetization | Free | — |
| Size | 227 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kyuhwa Choi](https://appshunter.io/developer/6772944357) | [Better World Studio](https://appshunter.io/developer/424394067) |

## What reviewers say

### FretMachine

[App page](https://appshunter.io/ios/app/fretmachine-guitar-sequencer/id6772944355)

This app allows musicians to sketch guitar parts by placing chords on a fretboard and creating strumming patterns. It offers an intuitive alternative to traditional tab workflows, enabling users to build chord progressions and export ideas as MIDI files for DAWs.

**Highlights:** Fretboard chord input, Strumming pattern sequencer, Chord library with advanced chords, Real-time chord analysis, MIDI export for DAWs, Timeline arrangement

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $9.99 | one-time |


### HarmonyAngel

[App page](https://appshunter.io/ios/app/harmonyangel/id6794364693)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $9.99 | per year |
| Life-time Purchase | $19.99 | one-time |


## Frequently asked questions

### Is FretMachine free?

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

### Is HarmonyAngel free?

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

### Do FretMachine or HarmonyAngel have ads?

Neither FretMachine nor HarmonyAngel shows ads.

### Which is updated more often, FretMachine or HarmonyAngel?

FretMachine ships an update daily, and HarmonyAngel every 4 weeks. Most recently, FretMachine was updated on October 9, 2026 and HarmonyAngel 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.*