# Music Theory Maestro vs Surface Explorer

Music Theory Maestro and Surface Explorer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Music Theory Maestro | Surface Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/music-theory-maestro/id6782606403/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | Free | — |
| Size | 1 MB | 62 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Alfred Ang](https://appshunter.io/developer/1880940227) | [GAETANO MOSCHETTI](https://appshunter.io/developer/6787015299) |

## What reviewers say

### Music Theory Maestro

[App page](https://appshunter.io/ios/app/music-theory-maestro/id6782606403)

Learn music theory interactively from basic concepts to advanced harmony. Explore scales, chords, and practice with mock exams. Features real notation playback and an interactive piano keyboard, all accessible offline.

**Highlights:** Interactive staff and note reading, Treble, bass, and alto clef support, Scale and chord exploration with playback, Mock exams for Grade 1-8, Interactive piano keyboard, Offline functionality

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

**In-app purchases:** none


### Surface Explorer

[App page](https://appshunter.io/ios/app/surface-explorer/id6787015297)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Music Theory Maestro free?

Music Theory Maestro is free to download, with no in-app purchases.

### Is Surface Explorer free?

Surface Explorer is free to download, with no in-app purchases.

### Do Music Theory Maestro or Surface Explorer have ads?

Neither Music Theory Maestro nor Surface Explorer shows ads.

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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.*