# ClaviTTY vs DiagramAI

The clearest difference is in-app purchases: DiagramAI at none against ClaviTTY's 3. DiagramAI also leads on iOS requirement (15.0 vs 26.2). ClaviTTY's advantage is ads (none vs shown) and update cadence (every 5 days vs every 6 months). On price and device support there is nothing between them.

Both are free to download. ClaviTTY sells 3 in-app purchases, starting at $4.99 per 7 days. DiagramAI asks for nothing beyond the download.

ClaviTTY ships an update every 5 days, DiagramAI every 6 months. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ClaviTTY | DiagramAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 6 months |
| Size | 8 MB | 149 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Softwhere Pty Ltd](https://appshunter.io/developer/512850101) | [Daniel Nowendsztern](https://appshunter.io/developer/1028876626) |

## What reviewers say

### ClaviTTY

[App page](https://appshunter.io/ios/app/clavitty/id6758570950)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - 1 Week | $4.99 | per 7 days |
| Premium - 6 Month | $39.99 | per 6 months |
| Premium - 12 Month | $59.99 | per year |


### DiagramAI

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

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

**In-app purchases:** none


## Frequently asked questions

### Is ClaviTTY free?

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

### Is DiagramAI free?

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

### Do ClaviTTY or DiagramAI have ads?

DiagramAI shows ads; ClaviTTY does not.

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

ClaviTTY ships an update every 5 days, and DiagramAI every 6 months. Most recently, ClaviTTY was updated on October 16, 2026 and DiagramAI on October 12, 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.*