# JustChords vs String Theory

The clearest difference is price: JustChords at Free against String Theory's $1.99. JustChords also leads on ratings volume (350 vs 1) and device support (4 vs 2). String Theory's advantage is in-app purchases (none vs 7). On rating, review sentiment and ads there is nothing between them.

JustChords is free to download; String Theory costs $1.99 up front. JustChords sells 7 one-off in-app purchases. String Theory asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for JustChords against 5.0 for String Theory. That said, the two scores are not equally well evidenced: JustChords has 350 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 95% of JustChords's written reviews are positive against 100% of String Theory's.

## The numbers

| Metric | JustChords | String Theory |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.9 (350 ratings)](https://appshunter.io/ios/app/justchords/id1632968272/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/string-theory-guitar-practice/id6760247019/reviews)** |
| Number of ratings | **350** | 1 |
| Positive reviews | 95.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 66 MB | 10 MB |
| Requires iOS | **17.5** | 26.0 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [get started s. r. o.](https://appshunter.io/developer/1632968274) | [DANIEL NIKOLAS SZTURM](https://appshunter.io/developer/1883123507) |

## What reviewers say

### JustChords

[App page](https://appshunter.io/ios/app/justchords/id1632968272)

Organize your song library with chord charts and lyrics. Create or import songs, sync across devices, and build setlists for live performances. Supports various music notations and audio playback.

**Highlights:** Chord chart and lyric editor, Import songs from online sources, iCloud device syncing, Setlist creation and sharing, AirPlay lyric projection, Audio player and recorder, Support for multiple music notations

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Nice Chords! | $2.99 | one-time |
| Buy me a pineapple | $4.99 | one-time |
| Rock On! | $6.99 | one-time |
| Buy me a book | $7.99 | one-time |
| Big Thanks! | $17.99 | one-time |
| Legendary Support! | $44.99 | one-time |

**What reviewers like**

- 👍 Extremely user-friendly and intuitive interface
- 🎵 Comprehensive song library with easy import from online sources
- 💰 Completely free with no subscriptions or paywalls
- 🔄 Seamless cross-device sync via iCloud
- ✏️ Powerful editing and customization features

**What reviewers complain about**

- 🐛 App crashes during song import
- 🐛 Pinch zoom functionality stopped working
- 🐛 Songs disappear from library unexpectedly
- 🐛 App won't load songs in certain situations
- ⚠️ Multi-column view not working on iPad

**Reported bugs**

- App crashes when importing songs from online sources
- Pinch zoom feature stopped working
- Songs disappearing from library
- App unable to load songs from library in certain conditions
- Multi-column view not functioning on iPad

**Requested features**

- Apple Pencil direct annotation with eraser capability
- Standard tag filtering logic (show songs with selected tags)
- Bluetooth pedal support for song navigation without touching device
- Web-based editor for songs
- Direct in-app sharing to other users


### 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 JustChords free?

JustChords 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, JustChords or String Theory?

String Theory is rated higher. JustChords averages 4.9 out of 5 from 350 ratings, while String Theory averages 5.0 from 1 ratings.

### Do JustChords or String Theory have ads?

Neither JustChords nor String Theory 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.*