# Perform™ Scrolling Sheet Music vs String Theory

Perform™ Scrolling Sheet Music and String Theory both sit at 5.0 stars, but that hides the real split: 100% of String Theory's written reviews are positive against 48% of Perform™ Scrolling Sheet Music's. String Theory also leads on in-app purchases (none vs 3) and ads (none vs shown). Perform™ Scrolling Sheet Music's advantage is price (Free vs $1.99) and iOS requirement (15.0 vs 26.0). On rating, ratings volume and device support there is nothing between them.

Perform™ Scrolling Sheet Music is free to download; String Theory costs $1.99 up front. Perform™ Scrolling Sheet Music sells 3 in-app purchases, starting at $6.99 per month. String Theory asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Perform™ Scrolling Sheet Music against 5.0 for String Theory. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 48% of Perform™ Scrolling Sheet Music's written reviews are positive against 100% of String Theory's.

## The numbers

| Metric | Perform™ Scrolling Sheet Music | String Theory |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/perform-scrolling-sheet-music/id422853011/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/string-theory-guitar-practice/id6760247019/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 47.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 47 MB | 10 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dante Media, LLC](https://appshunter.io/developer/378704864) | [DANIEL NIKOLAS SZTURM](https://appshunter.io/developer/1883123507) |

## What reviewers say

### Perform™ Scrolling Sheet Music

[App page](https://appshunter.io/ios/app/perform-scrolling-sheet-music/id422853011)

This app transforms your device into a hands-free sheet music reader. Import, organize, and annotate your PDF scores with automatic scrolling for uninterrupted performance. Manage thousands of scores and setlists with ease.

**Highlights:** Autoscroll PDF scores, Hands-free performance, Import from cloud storage, Organize scores into setlists, Annotate and mark up music, Share scores via AirDrop, Automatic sync and backup

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| 6 Month Subscription | $34.99 | per 6 months |
| 12 Month Subscription | $59.99 | per year |


### String Theory

[App page](https://appshunter.io/ios/app/string-theory-guitar-practice/id6760247019)

This app helps guitarists explore scales and chords with an interactive fretboard. It allows users to compare scales, test custom tunings, and record riff ideas. The tool is designed for practicing improvisation, learning theory, and saving musical inspiration.

**Highlights:** Interactive guitar fretboard with scale mapping, Scale and Chord Finder tools, Custom tunings with octave control, Riff recording and vault organization, Left-handed mode, Scale comparison overlay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Perform™ Scrolling Sheet Music free?

Perform™ Scrolling Sheet Music is free to download, with in-app purchases available.

### Is String Theory free?

String Theory costs $1.99, with no in-app purchases.

### Which has better reviews, Perform™ Scrolling Sheet Music or String Theory?

Perform™ Scrolling Sheet Music and String Theory are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Perform™ Scrolling Sheet Music or String Theory have ads?

Perform™ Scrolling Sheet Music shows ads; String Theory does not.

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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.*