# IMPACTUS vs 두두

The clearest difference is update cadence: 두두 at every 4 days against IMPACTUS's every 6 weeks. 두두 also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

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

IMPACTUS ships an update every 6 weeks, 두두 every 4 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | IMPACTUS | 두두 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 3 MB | 58 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fidelity Solution](https://appshunter.io/developer/1477029769) | [Juyeon Yu](https://appshunter.io/developer/1499305185) |

## What reviewers say

### IMPACTUS

[App page](https://appshunter.io/ios/app/impactus/id1477029770)

**Features:** macOS Compatibility

**In-app purchases:** none


### 두두

[App page](https://appshunter.io/ios/app/id6449709551)

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

**In-app purchases:** none


## Frequently asked questions

### Is IMPACTUS free?

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

### Is 두두 free?

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

### Do IMPACTUS or 두두 have ads?

Neither IMPACTUS nor 두두 shows ads.

### Which is updated more often, IMPACTUS or 두두?

IMPACTUS ships an update every 6 weeks, and 두두 every 4 days. Most recently, IMPACTUS was updated on October 3, 2026 and 두두 on October 7, 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.*