# MIDI SolFa Mode vs TraceSonic

The clearest difference is rating: TraceSonic at 5.0 against MIDI SolFa Mode's 4.5. TraceSonic also leads on update cadence (every 9 days vs every 3 months). MIDI SolFa Mode's advantage is price ($3.99 vs $7.99) and iOS requirement (14.0 vs 17.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

MIDI SolFa Mode costs $3.99 and TraceSonic $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TraceSonic holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

MIDI SolFa Mode ships an update every 3 months, TraceSonic every 9 days. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | MIDI SolFa Mode | TraceSonic |
| --- | --- | --- |
| Price | **$3.99** | $7.99 |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/midi-solfa-mode-go-round/id549623618/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tracesonic/id6798317938/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Paid | Paid |
| Size | 45 MB | 7 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Dr. Garbers Softwareentwicklung](https://appshunter.io/developer/549623621) | [r6 appz](https://appshunter.io/developer/491984529) |

## 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


### TraceSonic

[App page](https://appshunter.io/ios/app/tracesonic/id6798317938)

Transform images into unique sounds by drawing on a spectral canvas. This app uses brush strokes and imported images to generate additive synthesis, offering a creative way to craft musical instruments and soundscapes.

**Highlights:** Draw on spectral canvas, Import images to create sound, 128 additive oscillators, Multiple brush types, Pitch snapping to scales, MIDI note input, Save custom patches

**Features:** 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 TraceSonic free?

TraceSonic costs $7.99, with no in-app purchases.

### Which has better reviews, MIDI SolFa Mode or TraceSonic?

TraceSonic is rated higher. MIDI SolFa Mode averages 4.5 out of 5 from 2 ratings, while TraceSonic averages 5.0 from 1 ratings.

### Do MIDI SolFa Mode or TraceSonic have ads?

Neither MIDI SolFa Mode nor TraceSonic shows ads.

### Which is updated more often, MIDI SolFa Mode or TraceSonic?

MIDI SolFa Mode ships an update every 3 months, and TraceSonic every 9 days. Most recently, MIDI SolFa Mode was updated on November 1, 2026 and TraceSonic on October 26, 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.*