# DiagramAI vs PychampStudio

The clearest difference is update cadence: PychampStudio at every 2 months against DiagramAI's every 6 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.

DiagramAI ships an update every 6 months, PychampStudio every 2 months. The most recent releases landed on September 18, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | DiagramAI | PychampStudio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 149 MB | 83 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Nowendsztern](https://appshunter.io/developer/1028876626) | [Diep Huu Kha](https://appshunter.io/developer/1852428157) |

## What reviewers say

### DiagramAI

[App page](https://appshunter.io/ios/app/diagramai/id6758946256)

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

**In-app purchases:** none


### PychampStudio

[App page](https://appshunter.io/ios/app/pychampstudio/id6760155376)

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

**In-app purchases:** none


## Frequently asked questions

### Is DiagramAI free?

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

### Is PychampStudio free?

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

### Do DiagramAI or PychampStudio have ads?

Both DiagramAI and PychampStudio show ads.

### Which is updated more often, DiagramAI or PychampStudio?

DiagramAI ships an update every 6 months, and PychampStudio every 2 months. Most recently, DiagramAI was updated on September 18, 2026 and PychampStudio on September 16, 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.*