# OpusKeep vs BassEducation Tuner

The clearest difference is in-app purchases: BassEducation Tuner at none against OpusKeep's 3. OpusKeep's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. OpusKeep sells 3 in-app purchases, starting at $2.99 per month. BassEducation Tuner asks for nothing beyond the download.

## The numbers

| Metric | OpusKeep | BassEducation Tuner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/basseducation-tuner/id6779779658/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 48 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Timothe Watteau](https://appshunter.io/developer/1896667874) | [BassEducation, LLC](https://appshunter.io/developer/6779779361) |

## What reviewers say

### OpusKeep

[App page](https://appshunter.io/ios/app/opuskeep/id6770141185)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $2.99 | per month |
| Annual Pro | $19.99 | per year |
| Pro Lifetime | $39.99 | one-time |


### BassEducation Tuner

[App page](https://appshunter.io/ios/app/basseducation-tuner/id6779779658)

This application offers highly accurate tuning for a variety of instruments, including bass, guitar, and voice. It features an intuitive, no-setup interface that automatically optimizes pitch detection and provides real-time visual feedback for precise intonation. A built-in pitch pipe and direct input option for noisy environments enhance its utility.

**Highlights:** Strobe precision tuning, Automatic pitch detection optimization, Real-time visual feedback, Built-in pitch pipe, Direct input sensitivity, Transposition for horn players

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

**In-app purchases:** none


## Frequently asked questions

### Is OpusKeep free?

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

### Is BassEducation Tuner free?

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

### Do OpusKeep or BassEducation Tuner have ads?

Neither OpusKeep nor BassEducation Tuner 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.*