# AudioTheory Guitars vs SheetScope

The clearest difference is price: SheetScope at Free against AudioTheory Guitars's $6.99. SheetScope also leads on update cadence (every 2 days vs every 3 months). AudioTheory Guitars's advantage is in-app purchases (none vs 1) and review sentiment (67% vs 50%). On ads and device support there is nothing between them.

SheetScope is free to download; AudioTheory Guitars costs $6.99 up front. SheetScope sells 1 one-off in-app purchase. AudioTheory Guitars asks for nothing beyond the download.

AudioTheory Guitars ships an update every 3 months, SheetScope every 2 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AudioTheory Guitars | SheetScope |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sheetscope/id6816556287/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 412 MB | 40 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPad, Mac | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Fraser Mackenzie](https://appshunter.io/developer/1492337443) | [HYO SEOP LEE](https://appshunter.io/developer/6790621758) |

## What reviewers say

### AudioTheory Guitars

[App page](https://appshunter.io/ios/app/audiotheory-guitars/id1492337444)

This app serves as a comprehensive reference for guitarists, offering interactive chord and fretboard diagrams. It simplifies music theory by allowing seamless transcription between piano and guitar, with customizable tuning and note exclusion features.

**Highlights:** Interactive chord and fretboard diagrams, Piano to guitar transcription, Customizable tuning and capo settings, Chord sheet playback, Note exclusion for playing in key, Left-handed mode

**Features:** Vision Pro support

**In-app purchases:** none


### SheetScope

[App page](https://appshunter.io/ios/app/sheetscope/id6816556287)

Transform sheet music PDFs, photos, or scans into editable digital scores. Convert MIDI files into sheet music. Recognition and editing occur directly on your device, with exports in MusicXML, MIDI, and PDF formats.

**Highlights:** Sheet music recognition from PDF, photo, or scan, MIDI to sheet music conversion, On-device editing of scores, Playback of recognized scores, Export to MusicXML, MIDI, and PDF, Supports lead sheets, piano, SATB, and drum notation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is AudioTheory Guitars free?

AudioTheory Guitars costs $6.99, with no in-app purchases.

### Is SheetScope free?

SheetScope is free to download, with in-app purchases available.

### Do AudioTheory Guitars or SheetScope have ads?

Neither AudioTheory Guitars nor SheetScope shows ads.

### Which is updated more often, AudioTheory Guitars or SheetScope?

AudioTheory Guitars ships an update every 3 months, and SheetScope every 2 days. Most recently, AudioTheory Guitars was updated on October 29, 2026 and SheetScope on October 30, 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.*