# PaperAir vs Keyper

The clearest difference is update cadence: Keyper at monthly against PaperAir's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PaperAir ships an update every 4 months, Keyper monthly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PaperAir | Keyper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 5 MB | 17 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Avision Inc.](https://appshunter.io/developer/789641405) | [KEYXENTIC INC.](https://appshunter.io/developer/1255559704) |

## What reviewers say

### PaperAir

[App page](https://appshunter.io/ios/app/paperair/id1233626636)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keyper

[App page](https://appshunter.io/ios/app/keyper-mobile/id6472255572)

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

**In-app purchases:** none


## Frequently asked questions

### Is PaperAir free?

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

### Is Keyper free?

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

### Do PaperAir or Keyper have ads?

Neither PaperAir nor Keyper shows ads.

### Which is updated more often, PaperAir or Keyper?

PaperAir ships an update every 4 months, and Keyper monthly. Most recently, PaperAir was updated on October 26, 2026 and Keyper on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*