IMPACTUS vs 두두
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IMPACTUS
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IMPACTUS- Behavior Management to Excel Your Organization
두두
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두두는 둘이 쓰는 할 일 공유앱입니다. 아내와 함께 쓰려고 만들었습니다. 연인끼리 할일을 공유하는 것은 중요합니다. 퇴근길에 사다줄 물건을 부탁하기도 하고 출근길에 분리수거하는 것도 잊으면 안되죠. 또 상대방이 무슨일을 하는지 했는지 아는 것도 중요하죠. 같이 쓸 사람을 초대하고 서로에게 할 일을 만들어보세요!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | IMPACTUS | 두두 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| Update frequency | Every 6 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Fidelity Solution | Juyeon Yu |
In-app purchases
IMPACTUS
No in-app purchases
두두
No in-app purchases
