# KnifeSharpening vs Plainify

The clearest difference is device support: Plainify at 3 against KnifeSharpening's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | KnifeSharpening | Plainify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Every 5 days |
| Size | 3 MB | 60 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [克俊 张](https://appshunter.io/developer/1168250350) | [Kasanimaro](https://appshunter.io/developer/1846987954) |

## What reviewers say

### KnifeSharpening

[App page](https://appshunter.io/ios/app/knifesharpening/id6451411477)

**In-app purchases:** none


### Plainify

[App page](https://appshunter.io/ios/app/plainify-simplify-language/id6756869043)

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

**In-app purchases:** none


## Frequently asked questions

### Is KnifeSharpening free?

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

### Is Plainify free?

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

---

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