# BlitzGTD vs Doosy

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

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

BlitzGTD ships an update every 4 days, Doosy every 3 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | BlitzGTD | Doosy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 22 MB | 35 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sascha Krug](https://appshunter.io/developer/1698716188) | [Yuto Ichihara](https://appshunter.io/developer/1866726718) |

## 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 |


### Doosy

[App page](https://appshunter.io/ios/app/doosy-simplest-todo/id6757409804)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BlitzGTD free?

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

### Is Doosy free?

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

### Do BlitzGTD or Doosy have ads?

Neither BlitzGTD nor Doosy shows ads.

### Which is updated more often, BlitzGTD or Doosy?

BlitzGTD ships an update every 4 days, and Doosy every 3 days. Most recently, BlitzGTD was updated on October 25, 2026 and Doosy on October 28, 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.*