# Clear AMP Pro vs KeyPlus3

The clearest difference is in-app purchases: KeyPlus3 at none against Clear AMP Pro's 2. KeyPlus3 also leads on update cadence (every 2 weeks vs every 70 months). Clear AMP Pro's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Clear AMP Pro sells 2 in-app purchases, starting at $3.99 per month. KeyPlus3 asks for nothing beyond the download.

Clear AMP Pro ships an update every 70 months, KeyPlus3 every 2 weeks. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Clear AMP Pro | KeyPlus3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 70 months | **Every 2 weeks** |
| Size | 7 MB | 35 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [AlgorKorea Co., Ltd.](https://appshunter.io/developer/1173452285) | [Special One Co., Ltd.](https://appshunter.io/developer/1521605263) |

## What reviewers say

### Clear AMP Pro

[App page](https://appshunter.io/ios/app/clear-amp-pro/id1517978989)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Annual subscription | $39.99 | per year |


### KeyPlus3

[App page](https://appshunter.io/ios/app/keyplus3-digital-key/id6747149011)

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

**In-app purchases:** none


## Frequently asked questions

### Is Clear AMP Pro free?

Clear AMP Pro is free to download, with in-app purchases available.

### Is KeyPlus3 free?

KeyPlus3 is free to download, with no in-app purchases.

### Do Clear AMP Pro or KeyPlus3 have ads?

Neither Clear AMP Pro nor KeyPlus3 shows ads.

### Which is updated more often, Clear AMP Pro or KeyPlus3?

Clear AMP Pro ships an update every 70 months, and KeyPlus3 every 2 weeks. Most recently, Clear AMP Pro was updated on October 5, 2026 and KeyPlus3 on October 10, 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.*