# String Groove vs Gravity Math

The clearest difference is price: String Groove at Free against Gravity Math's $2.99. String Groove also leads on update cadence (every 3 months vs every 7 months). Gravity Math's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 14.0). On ads and in-app purchases there is nothing between them.

String Groove is free to download; Gravity Math costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

String Groove ships an update every 3 months, Gravity Math every 7 months. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | String Groove | Gravity Math |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/string-groove/id590782597/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | — |
| Size | 204 MB | 17 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EDGAR GABRIEL](https://appshunter.io/developer/590782600) | [Sergey Malugin](https://appshunter.io/developer/562782409) |

## What reviewers say

### String Groove

[App page](https://appshunter.io/ios/app/string-groove/id590782597)

Learn to improvise on string instruments with this app. It offers written notation, listening examples, and play-along exercises across various musical styles. Designed for students, teachers, and professionals, it makes music theory practical and fun.

**Highlights:** Improvisation instruction for string players, Multiple musical styles (Jazz, Rock, Blues, etc.), Support for Treble, Alto, and Bass clefs, Play-along exercises, Spoken instruction and listening examples, Practical music theory integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Gravity Math

[App page](https://appshunter.io/ios/app/gravity-math/id1453330374)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is String Groove free?

String Groove is free to download, with no in-app purchases.

### Is Gravity Math free?

Gravity Math costs $2.99, with no in-app purchases.

### Do String Groove or Gravity Math have ads?

Neither String Groove nor Gravity Math shows ads.

### Which is updated more often, String Groove or Gravity Math?

String Groove ships an update every 3 months, and Gravity Math every 7 months. Most recently, String Groove was updated on October 1, 2026 and Gravity Math on October 10, 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.*