# Graylin vs TODO for AI

The clearest difference is update cadence: Graylin at every 3 days against TODO for AI's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Graylin sells 10 in-app purchases, starting at $34.99 per month and TODO for AI sells 3 in-app purchases, starting at $23.99 per month. Whichever you choose, the download price is not the number that matters.

Graylin ships an update every 3 days, TODO for AI every 2 weeks. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Graylin | TODO for AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 42 MB | 80 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GRAYLIN AI (PTY) LTD](https://appshunter.io/developer/1872989548) | [TODO for AI Kft.](https://appshunter.io/developer/6810680481) |

## What reviewers say

### Graylin

[App page](https://appshunter.io/ios/app/graylin/id6759706980)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Graylin Starter | $34.99 | per month |
| Graylin Pro | $57.99 | per month |
| Graylin Team | $114.99 | per month |
| Graylin Starter Year | $219.99 | per year |
| Graylin Pro Year | $579.99 | per year |
| Graylin Team Year | $1000.00 | per year |
| 5 AI Credits | $5.99 | one-time |
| 10 AI Credits | $11.99 | one-time |
| 25 AI Credits | $29.99 | one-time |
| 50 AI Credits | $59.99 | one-time |


### TODO for AI

[App page](https://appshunter.io/ios/app/todo-for-ai/id6810680479)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Monthly | $23.99 | per month |
| Pro Monthly | $117.99 | per month |
| Ultra Monthly | $234.99 | per month |


## Frequently asked questions

### Is Graylin free?

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

### Is TODO for AI free?

TODO for AI is free to download, with in-app purchases available.

### Do Graylin or TODO for AI have ads?

Neither Graylin nor TODO for AI shows ads.

### Which is updated more often, Graylin or TODO for AI?

Graylin ships an update every 3 days, and TODO for AI every 2 weeks. Most recently, Graylin was updated on October 17, 2026 and TODO for AI on October 24, 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.*