# MIDI SolFa Mode vs Guitar Intervals Pro

The clearest difference is update cadence: MIDI SolFa Mode at every 3 months against Guitar Intervals Pro's every 39 months. MIDI SolFa Mode also leads on iOS requirement (14.0 vs 17.0). Guitar Intervals Pro's advantage is price ($2.99 vs $3.99). On ads, in-app purchases and device support there is nothing between them.

MIDI SolFa Mode costs $3.99 and Guitar Intervals Pro $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MIDI SolFa Mode ships an update every 3 months, Guitar Intervals Pro every 39 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | MIDI SolFa Mode | Guitar Intervals Pro |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/midi-solfa-mode-go-round/id549623618/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 39 months |
| Monetization | Paid | — |
| Size | 45 MB | 2 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dr. Garbers Softwareentwicklung](https://appshunter.io/developer/549623621) | [Andrii Pirumov](https://appshunter.io/developer/1301462412) |

## What reviewers say

### MIDI SolFa Mode

[App page](https://appshunter.io/ios/app/midi-solfa-mode-go-round/id549623618)

Explore music theory with an interactive instrument. Learn scales, modes, and solmization, or connect to MIDI devices. Play melodies, chords, and discover improvisational techniques.

**Highlights:** Interactive spiral and piano keyboards, Study scales, modes, and circle of fifths, Learn Movable-Do and Fixed-Do solmization, MIDI input/output and file playback, Improvise polyphonic canons, Load custom sounds and MIDI files

**Features:** Vision Pro support

**In-app purchases:** none


### Guitar Intervals Pro

[App page](https://appshunter.io/ios/app/guitar-intervals-pro/id1335328670)

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

**In-app purchases:** none


## Frequently asked questions

### Is MIDI SolFa Mode free?

MIDI SolFa Mode costs $3.99, with no in-app purchases.

### Is Guitar Intervals Pro free?

Guitar Intervals Pro costs $2.99, with no in-app purchases.

### Do MIDI SolFa Mode or Guitar Intervals Pro have ads?

Neither MIDI SolFa Mode nor Guitar Intervals Pro shows ads.

### Which is updated more often, MIDI SolFa Mode or Guitar Intervals Pro?

MIDI SolFa Mode ships an update every 3 months, and Guitar Intervals Pro every 39 months. Most recently, MIDI SolFa Mode was updated on November 1, 2026 and Guitar Intervals Pro on November 2, 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.*