# One Tuner vs OpenString

The clearest difference is in-app purchases: One Tuner at none against OpenString's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | One Tuner | OpenString |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openstring-tuner-and-chords/id6811273833/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Daily |
| Monetization | — | Free |
| Size | 32 MB | 47 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ayoub Sbai](https://appshunter.io/developer/1185243043) | [Techguyver Labs, LLC](https://appshunter.io/developer/6796192098) |

## What reviewers say

### One Tuner

[App page](https://appshunter.io/ios/app/one-tuner/id6761656058)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is One Tuner free?

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

### Is OpenString free?

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

### Do One Tuner or OpenString have ads?

Neither One Tuner nor OpenString 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.*