# OpenTuner vs Anystring Tuner

The clearest difference is in-app purchases: Anystring Tuner at none against OpenTuner's 3. Anystring Tuner also leads on iOS requirement (15.0 vs 18.5). OpenTuner's advantage is ratings volume (14 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. OpenTuner sells 3 one-off in-app purchases. Anystring Tuner asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for OpenTuner against 5.0 for Anystring Tuner. That said, the two scores are not equally well evidenced: OpenTuner has 14 ratings behind it against 1, so its average is the more settled of the two.

OpenTuner ships an update weekly, Anystring Tuner every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | OpenTuner | Anystring Tuner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (14 ratings)](https://appshunter.io/ios/app/opentuner-guitar-and-more/id6758322365/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/anystring-tuner/id6806879721/reviews) |
| Number of ratings | **14** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 2 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jason Kalili](https://appshunter.io/developer/1872273315) | [Kirill Plokhoi](https://appshunter.io/developer/6806879723) |

## What reviewers say

### OpenTuner

[App page](https://appshunter.io/ios/app/opentuner-guitar-and-more/id6758322365)

This app offers a professional and ad-free tuning experience for various instruments. It features automatic string tuning, support for multiple instruments, and the ability to create custom tunings. A built-in metronome is also included for practice.

**Highlights:** Automatic string-by-string tuning, Support for Bass, Banjo, Ukulele, Live note detection (Open mode), Create and save custom tunings, Built-in metronome, No ads or tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quick Thanks | $0.99 | one-time |
| Support OpenTuner | $3.99 | one-time |
| Keep It Going | $9.99 | one-time |


### Anystring Tuner

[App page](https://appshunter.io/ios/app/anystring-tuner/id6806879721)

This free application provides a highly customizable tuning experience for guitar and bass players. It allows users to set any note on any string, offering flexibility beyond standard presets. The app works offline and analyzes audio on-device for privacy.

**Highlights:** Editable per-string tunings, Live pitch detection, Customizable tunings, Built-in presets, Reference tones, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenTuner free?

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

### Is Anystring Tuner free?

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

### Which has better reviews, OpenTuner or Anystring Tuner?

OpenTuner and Anystring Tuner are both rated 5.0 out of 5 on the App Store, from 14 and 1 ratings respectively.

### Do OpenTuner or Anystring Tuner have ads?

Neither OpenTuner nor Anystring Tuner shows ads.

### Which is updated more often, OpenTuner or Anystring Tuner?

OpenTuner ships an update weekly, and Anystring Tuner every 3 days. Most recently, OpenTuner was updated on October 24, 2026 and Anystring 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.*