# StrumForge vs ZZZ FretHarmony

The clearest difference is ads: StrumForge at none against ZZZ FretHarmony's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. StrumForge sells 4 in-app purchases, starting at $2.99 per 7 days and ZZZ FretHarmony sells 1 in-app purchase, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | StrumForge | ZZZ FretHarmony |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (61 ratings)](https://appshunter.io/ios/app/strumforge-chord-progressions/id6760612199/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | — |
| Monetization | Freemium | — |
| Size | 70 MB | 28 MB |
| Requires iOS | **15.0** | 16.3 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Adam Spain](https://appshunter.io/developer/1885322054) | [SMOLT STAGE, K.K.](https://appshunter.io/developer/1708601451) |

## What reviewers say

### StrumForge

[App page](https://appshunter.io/ios/app/strumforge-chord-progressions/id6760612199)

This app helps guitarists improve their timing, technique, and improvisation skills. It offers tools for practicing chord changes, scales, and riffs with synchronized TAB and animated diagrams. Users can generate millions of chord progressions and customize their practice sessions.

**Highlights:** Generate millions of theory-based chord progressions, Practice with synchronized TAB and animated fretboard, Explore over 750 riffs and technique drills, Play along with 23 sampled drum grooves, Practice triad inversions and arpeggios, Improvise with mode and pentatonic scale diagrams, Customize practice loops and guitar sounds

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StrumForge Pro Weekly | $2.99 | per 7 days |
| StrumForge Pro Monthly | $4.99 | per month |
| StrumForge Pro Annual | $24.99 | per year |
| Lifetime Pro | $49.99 | one-time |


### ZZZ FretHarmony

[App page](https://appshunter.io/ios/app/zzz-fretharmony/id6806733979)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZZZ FretHarmony Pro | $1.99 | per year |


## Frequently asked questions

### Is StrumForge free?

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

### Is ZZZ FretHarmony free?

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

### Do StrumForge or ZZZ FretHarmony have ads?

ZZZ FretHarmony shows ads; StrumForge does not.

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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.*