# PureMarkdown vs Aitopus

The clearest difference is update cadence: PureMarkdown at every 2 weeks against Aitopus's every 5 weeks. PureMarkdown also leads on iOS requirement (17.6 vs 26.5). 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.

PureMarkdown ships an update every 2 weeks, Aitopus every 5 weeks. The most recent releases landed on September 19, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | PureMarkdown | Aitopus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 3 MB | 67 MB |
| Requires iOS | **17.6** | 26.5 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [zeyang huang](https://appshunter.io/developer/1449351308) | [GETADEV LTD](https://appshunter.io/developer/1895233129) |

## What reviewers say

### PureMarkdown

[App page](https://appshunter.io/ios/app/puremarkdown/id6761775336)

**Features:** Vision Pro support

**In-app purchases:** none


### Aitopus

[App page](https://appshunter.io/ios/app/aitopus-private-ai-assistant/id6763249941)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PureMarkdown free?

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

### Is Aitopus free?

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

### Do PureMarkdown or Aitopus have ads?

Neither PureMarkdown nor Aitopus shows ads.

### Which is updated more often, PureMarkdown or Aitopus?

PureMarkdown ships an update every 2 weeks, and Aitopus every 5 weeks. Most recently, PureMarkdown was updated on September 19, 2026 and Aitopus on August 29, 2026.

---

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