# Do Do Dah vs Groundwork Justice

The clearest difference is ads: Groundwork Justice at none against Do Do Dah's shown. Do Do Dah's advantage is update cadence (daily vs every 2 weeks) and iOS requirement (12.0 vs 16.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Do Do Dah ships an update daily, Groundwork Justice every 2 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Do Do Dah | Groundwork Justice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 24 MB | 101 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Francesco Pillinini](https://appshunter.io/developer/1130794403) | [Rockefeller Philanthropy Advsiros, Inc](https://appshunter.io/developer/1468918332) |

## What reviewers say

### Do Do Dah

[App page](https://appshunter.io/ios/app/do-do-dah/id6741852615)

**Features:** macOS Compatibility

**In-app purchases:** none


### Groundwork Justice

[App page](https://appshunter.io/ios/app/groundwork-justice/id6757311779)

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

**In-app purchases:** none


## Frequently asked questions

### Is Do Do Dah free?

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

### Is Groundwork Justice free?

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

### Do Do Do Dah or Groundwork Justice have ads?

Do Do Dah shows ads; Groundwork Justice does not.

### Which is updated more often, Do Do Dah or Groundwork Justice?

Do Do Dah ships an update daily, and Groundwork Justice every 2 weeks. Most recently, Do Do Dah was updated on October 12, 2026 and Groundwork Justice on October 5, 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.*