# BIUM vs todo.exe

The clearest difference is in-app purchases: BIUM at none against todo.exe's 1. todo.exe's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. todo.exe sells 1 one-off in-app purchase. BIUM asks for nothing beyond the download.

## The numbers

| Metric | BIUM | todo.exe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 15 MB | 22 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jia Jang](https://appshunter.io/developer/1750288126) | [chaeeun yoon](https://appshunter.io/developer/6809802165) |

## What reviewers say

### BIUM

[App page](https://appshunter.io/ios/app/bium-to-do-list/id6749220790)

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

**In-app purchases:** none


### todo.exe

[App page](https://appshunter.io/ios/app/todoexe/id6817310678)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| todo.exe PRO | $1.99 | one-time |


## Frequently asked questions

### Is BIUM free?

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

### Is todo.exe free?

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

### Do BIUM or todo.exe have ads?

Neither BIUM nor todo.exe shows ads.

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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.*