# BlitzGTD vs WhenWhereWhatTodo

The clearest difference is in-app purchases: WhenWhereWhatTodo at none against BlitzGTD's 1. WhenWhereWhatTodo also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. BlitzGTD sells 1 one-off in-app purchase. WhenWhereWhatTodo asks for nothing beyond the download.

## The numbers

| Metric | BlitzGTD | WhenWhereWhatTodo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 22 MB | 38 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sascha Krug](https://appshunter.io/developer/1698716188) | [SANGMIN JUNG](https://appshunter.io/developer/1896640716) |

## What reviewers say

### BlitzGTD

[App page](https://appshunter.io/ios/app/blitzgtd/id6463464743)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BlitzGTD Pro | $5.99 | one-time |


### WhenWhereWhatTodo

[App page](https://appshunter.io/ios/app/whenwherewhattodo/id6773727467)

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

**In-app purchases:** none


## Frequently asked questions

### Is BlitzGTD free?

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

### Is WhenWhereWhatTodo free?

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

### Do BlitzGTD or WhenWhereWhatTodo have ads?

Neither BlitzGTD nor WhenWhereWhatTodo shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*