# 知止 vs MarkThen

The clearest difference is in-app purchases: 知止 at none against MarkThen's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MarkThen sells 1 one-off in-app purchase. 知止 asks for nothing beyond the download.

## The numbers

| Metric | 知止 | MarkThen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 14 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [玉庭 何](https://appshunter.io/developer/1867438392) | [建勇 叶](https://appshunter.io/developer/6797054087) |

## What reviewers say

### 知止

[App page](https://appshunter.io/ios/app/id6758208809)

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

**In-app purchases:** none


### MarkThen

[App page](https://appshunter.io/ios/app/markthen/id6797197508)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MarkThen Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is 知止 free?

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

### Is MarkThen free?

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

### Do 知止 or MarkThen have ads?

Neither 知止 nor MarkThen shows ads.

---

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