# OpenString vs Gelato Tuner

The clearest difference is in-app purchases: Gelato Tuner at none against OpenString's 1. OpenString's advantage is update cadence (daily vs weekly) and iOS requirement (15.1 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. OpenString sells 1 one-off in-app purchase. Gelato Tuner asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for OpenString against 5.0 for Gelato Tuner. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

OpenString ships an update daily, Gelato Tuner weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | OpenString | Gelato Tuner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/openstring-tuner-and-chords/id6811273833/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/gelato-tuner/id6817486313/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | Free | — |
| Size | 47 MB | 1 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Techguyver Labs, LLC](https://appshunter.io/developer/6796192098) | [Cerrone LLC](https://appshunter.io/developer/6810908215) |

## What reviewers say

### OpenString

[App page](https://appshunter.io/ios/app/openstring-tuner-and-chords/id6811273833)

This app provides essential tools for guitarists, including a tuner, metronome, chord handbook, and a personal songbook. It offers all features upfront with no subscriptions or in-app purchases, allowing users to manage their own song charts and practice effectively offline.

**Highlights:** Guitar tuner, Metronome with tempo and meter settings, Chord handbook with fingerings and voicings, Personal songbook for lyrics and chords, Key transposition and capo preference, Scale and shape finder

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenString Pro | $9.99 | one-time |


### Gelato Tuner

[App page](https://appshunter.io/ios/app/gelato-tuner/id6817486313)

**In-app purchases:** none


## Frequently asked questions

### Is OpenString free?

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

### Is Gelato Tuner free?

Gelato Tuner is free to download, with no in-app purchases.

### Which has better reviews, OpenString or Gelato Tuner?

OpenString and Gelato Tuner are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do OpenString or Gelato Tuner have ads?

Neither OpenString nor Gelato Tuner shows ads.

### Which is updated more often, OpenString or Gelato Tuner?

OpenString ships an update daily, and Gelato Tuner weekly. Most recently, OpenString was updated on October 24, 2026 and Gelato Tuner on October 24, 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.*