# Rhythm+ vs ChordInvert

The clearest difference is price: ChordInvert at $1.99 against Rhythm+'s $8.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Rhythm+ costs $8.99 and ChordInvert $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rhythm+ ships an update every 2 months, ChordInvert every 6 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Rhythm+ | ChordInvert |
| --- | --- | --- |
| Price | $8.99 | **$1.99** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chordinvert/id1549606631/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Paid |
| Size | 24 MB | 9 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Berserk Software AS](https://appshunter.io/developer/1475170649) | [Chris Crossen](https://appshunter.io/developer/1526216020) |

## What reviewers say

### Rhythm+

[App page](https://appshunter.io/ios/app/rhythm-plus/id1475170650)

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

**In-app purchases:** none


### ChordInvert

[App page](https://appshunter.io/ios/app/chordinvert/id1549606631)

This app visually teaches major and minor chord inversions. It displays notes on a staff, piano keys, and note names. A quiz feature helps build mastery and tracks progress.

**Highlights:** Graphical chord inversion reference, Major and minor chord inversions, Notes on musical staff, Highlighted piano keyboard, Note names with sharps/flats, Progress tracking quiz

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

**In-app purchases:** none


## Frequently asked questions

### Is Rhythm+ free?

Rhythm+ costs $8.99, with no in-app purchases.

### Is ChordInvert free?

ChordInvert costs $1.99, with no in-app purchases.

### Do Rhythm+ or ChordInvert have ads?

Neither Rhythm+ nor ChordInvert shows ads.

### Which is updated more often, Rhythm+ or ChordInvert?

Rhythm+ ships an update every 2 months, and ChordInvert every 6 weeks. Most recently, Rhythm+ was updated on November 6, 2026 and ChordInvert on November 3, 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.*