# TODO! Simple List vs Square Habits

The clearest difference is in-app purchases: TODO! Simple List at none against Square Habits's 1. Square Habits's advantage is ads (none vs shown) and update cadence (every 2 days vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Square Habits sells 1 in-app purchase, starting at $1.99 per month. TODO! Simple List asks for nothing beyond the download.

TODO! Simple List ships an update every 5 months, Square Habits every 2 days. The most recent releases landed on October 25, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | TODO! Simple List | Square Habits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 days** |
| Size | 47 MB | 1 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Arkadiusz Ilkow](https://appshunter.io/developer/1715321254) | [Marcelo Diefenbach](https://appshunter.io/developer/1645090652) |

## What reviewers say

### TODO! Simple List

[App page](https://appshunter.io/ios/app/todo-simple-list/id6471425810)

**Features:** macOS Compatibility

**In-app purchases:** none


### Square Habits

[App page](https://appshunter.io/ios/app/square-habits/id6472684959)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Features | $1.99 | per month |


## Frequently asked questions

### Is TODO! Simple List free?

TODO! Simple List is free to download, with no in-app purchases.

### Is Square Habits free?

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

### Do TODO! Simple List or Square Habits have ads?

TODO! Simple List shows ads; Square Habits does not.

### Which is updated more often, TODO! Simple List or Square Habits?

TODO! Simple List ships an update every 5 months, and Square Habits every 2 days. Most recently, TODO! Simple List was updated on October 25, 2026 and Square Habits on November 2, 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.*