# Bass Chords Compass vs Chromatic Harmonica PRO

The clearest difference is review sentiment: Chromatic Harmonica PRO at 75% against Bass Chords Compass's 0%. Chromatic Harmonica PRO also leads on price (Free vs $4.99) and update cadence (every 10 days vs every 63 months). Bass Chords Compass's advantage is rating (4.0 vs 3.0) and in-app purchases (none vs 9). On ads and iOS requirement there is nothing between them.

Chromatic Harmonica PRO is free to download; Bass Chords Compass costs $4.99 up front. Chromatic Harmonica PRO sells 9 in-app purchases, starting at $4.99 per 7 days. Bass Chords Compass asks for nothing beyond the download.

Bass Chords Compass holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Bass Chords Compass has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 0% of Bass Chords Compass's written reviews are positive against 75% of Chromatic Harmonica PRO's, so the app with the better star average is not the one people write more warmly about.

Bass Chords Compass ships an update every 63 months, Chromatic Harmonica PRO every 10 days. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Bass Chords Compass | Chromatic Harmonica PRO |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.0 (14 ratings)](https://appshunter.io/ios/app/bass-chords-compass/id1004868597/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/chromatic-harmonica-pro/id6503302261/reviews) |
| Number of ratings | **14** | 2 |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 63 months | **Every 10 days** |
| Monetization | Paid | **Freemium** |
| Size | 24 MB | 78 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Max Schlee](https://appshunter.io/developer/429770420) | [Filipe Maciel Lins](https://appshunter.io/developer/1748841098) |

## What reviewers say

### Bass Chords Compass

[App page](https://appshunter.io/ios/app/bass-chords-compass/id1004868597)

Master your bass guitar with this comprehensive chord exploration tool. Access over 24,000 chord voicings across 17 fretboard positions with clear diagrams and authentic audio playback. Supports various tunings and player orientations.

**Highlights:** 24,000+ chord voicings, 17 fretboard positions, Clear visual diagrams, Authentic audio playback, Multiple bass tunings, Left/right-handed support

**Features:** Vision Pro support

**In-app purchases:** none


### Chromatic Harmonica PRO

[App page](https://appshunter.io/ios/app/chromatic-harmonica-pro/id6503302261)

Master jazz harp with this comprehensive trainer. Practice scales and arpeggios in any key with accurate MIDI playback and interactive visual grids. Create custom routines and explore a vast library of musical exercises.

**Highlights:** Practice scales and arpeggios in any key, Accurate MIDI playback, Interactive visual grid of harmonica holes and notes, Metronome with tempo control, Create and save custom training routines, Support for all tunings and hole configurations

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan New | $4.99 | per 7 days |
| Weekly Plan | $4.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly Plan | $9.99 | per year |
| Half Year | $9.99 | per 6 months |
| Premium Subscription | $14.99 | per year |
| Chromatic Premium - 6 Months | $16.99 | per 6 months |
| Yearly Plan New | $19.99 | per year |
| Chromatic Harmonica Premium | $19.99 | per year |


## Frequently asked questions

### Is Bass Chords Compass free?

Bass Chords Compass costs $4.99, with no in-app purchases.

### Is Chromatic Harmonica PRO free?

Chromatic Harmonica PRO is free to download, with in-app purchases available.

### Which has better reviews, Bass Chords Compass or Chromatic Harmonica PRO?

Bass Chords Compass is rated higher. Bass Chords Compass averages 4.0 out of 5 from 14 ratings, while Chromatic Harmonica PRO averages 3.0 from 2 ratings.

### Do Bass Chords Compass or Chromatic Harmonica PRO have ads?

Neither Bass Chords Compass nor Chromatic Harmonica PRO shows ads.

### Which is updated more often, Bass Chords Compass or Chromatic Harmonica PRO?

Bass Chords Compass ships an update every 63 months, and Chromatic Harmonica PRO every 10 days. Most recently, Bass Chords Compass was updated on October 24, 2026 and Chromatic Harmonica PRO on October 23, 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.*