Item
¥0CNY
App information
- Version
- 1.3
- Download size
- 40.12MB
- First released
- 2026-10-17
- Developer
- Boolean Bros LLC
- Bundle ID
- com.nzl.stroopchallenge
- Category
- Puzzle (5,675)
- Developer website
- booleanbros.com
Screenshots
Screenshots come from the App Store listing. They are shown at full aspect ratio, never cropped. Click to enlarge.
In-App Purchases 1 items · USD
About
From the App Store SourceCognitive Challenge is a brain-training game built on the Stroop effect — the classic psychology test where the word and the ink colour disagree, and your brain has to fight the urge to read. In practice: the word BLUE printed in red. Tap the ink colour, not the word. It sounds easy. It isn't. That tiny pause is your brain overriding a habit — and training it is the whole game. FOUR WAYS TO PLAY • Classic — tap the ink colour • Reverse — ignore the ink and tap the word • Speed — the same challenge with less time • Tricky — word and colour randomly match or clash, so you never settle into a rhythm BUILT TO TRAIN • 8 colours and endless generated rounds, so there is nothing to memorise • Levels that unlock as your score climbs • Instant feedback with haptics, so mistakes actually land • Statistics that show how you really perform, not just your best score • Daily streaks to keep the habit going WHY IT WORKS The Stroop test has been used to measure attention and cognitive flexibility for nearly a century. Cognitive Challenge turns it into something you can practise in two minutes a day. Works offline. No account, no signup. Free to play, supported by ads.
FAQFAQPage
Who made it?
The developer is Boolean Bros LLC, and the app identifier is com.nzl.stroopchallenge.
When was it first released?
It was first released on 2026-10-17, according to our own database record.
Every number in these answers comes from the data shown above on this page.