# SharpEar vs KeyStaff

The clearest difference is in-app purchases: KeyStaff at none against SharpEar's 9. KeyStaff also leads on iOS requirement (15 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SharpEar sells 9 in-app purchases, starting at $0.99 per month. KeyStaff asks for nothing beyond the download.

SharpEar ships an update every 10 days, KeyStaff weekly. Both last shipped on October 14, 2026.

## The numbers

| Metric | SharpEar | KeyStaff |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Size | 28 MB | 8 MB |
| Requires iOS | 17.0 | **15** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Mollov](https://appshunter.io/developer/835866912) | [Binh Bui](https://appshunter.io/developer/1771219166) |

## What reviewers say

### SharpEar

[App page](https://appshunter.io/ios/app/sharpear/id835866909)

**Features:** Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Sequences Monthly | $0.99 | per month |
| Remove Ads Monthly | $2.99 | per month |
| Advanced Modes Monthly | $4.99 | per month |
| Advanced Modes Monthly | $6.99 | per month |
| Interval Sequences Yearly | $9.99 | per year |
| Remove Ads Yearly | $29.99 | per year |
| Advanced Modes Yearly | $49.99 | per year |
| Advanced Modes Yearly | $69.99 | per year |
| Unlock More Modes and Remove Ads | $0.99 | one-time |


### KeyStaff

[App page](https://appshunter.io/ios/app/keystaff/id6753950371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SharpEar free?

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

### Is KeyStaff free?

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

### Do SharpEar or KeyStaff have ads?

Neither SharpEar nor KeyStaff shows ads.

### Which is updated more often, SharpEar or KeyStaff?

SharpEar ships an update every 10 days, and KeyStaff weekly. Most recently, SharpEar was updated on October 14, 2026 and KeyStaff on October 14, 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.*