# What ToDo vs Parametra

The clearest difference is price: Parametra at Free against What ToDo's $0.99. Parametra also leads on device support. What ToDo's advantage is in-app purchases (none vs 4). On iOS requirement there is nothing between them.

Parametra is free to download; What ToDo costs $0.99 up front. Parametra sells 4 in-app purchases, starting at $0.99 per month. What ToDo asks for nothing beyond the download.

## The numbers

| Metric | What ToDo | Parametra |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Size | 0 MB | 100 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Bug.AI](https://appshunter.io/developer/1758528693) | [SEYFULLAH EJDERHA](https://appshunter.io/developer/1719643957) |

## What reviewers say

### What ToDo

[App page](https://appshunter.io/ios/app/what-todo/id6560117591)

**In-app purchases:** none


### Parametra

[App page](https://appshunter.io/ios/app/parametra/id6772103236)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Platinum Aylık | $0.99 | per month |
| Premium Yıllık | $4.99 | per year |
| Platinum Yıllık | $7.99 | per year |
| Geliştirici Desteği | $19.99 | one-time |


## Frequently asked questions

### Is What ToDo free?

What ToDo costs $0.99, with no in-app purchases.

### Is Parametra free?

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

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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.*