# KeyAdvisor vs Saxophone Tuner

The clearest difference is in-app purchases: KeyAdvisor at none against Saxophone Tuner's 2. Saxophone Tuner's advantage is device support and iOS requirement (12.0 vs 15.0). On price there is nothing between them.

Both are free to download. Saxophone Tuner sells 2 in-app purchases, starting at $2.99 per 7 days. KeyAdvisor asks for nothing beyond the download.

## The numbers

| Metric | KeyAdvisor | Saxophone Tuner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Monthly |
| Size | 5 MB | 57 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FUNDACAO PADRE LEONEL FRANCA](https://appshunter.io/developer/1566582123) | [NETIGEN Kluzowicz sp. j.](https://appshunter.io/developer/892331873) |

## What reviewers say

### KeyAdvisor

[App page](https://appshunter.io/ios/app/keyadvisor/id6474359575)

**In-app purchases:** none


### Saxophone Tuner

[App page](https://appshunter.io/ios/app/saxophone-tuner-xtuner-pro/id6744968182)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week subscription + trial | $2.99 | per 7 days |
| Forever one-time payment | $19.99 | one-time |


## Frequently asked questions

### Is KeyAdvisor free?

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

### Is Saxophone Tuner free?

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

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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.*