One Brain – Erik Wegener

Last updated on December 1st, 2025 at 09:38 am

One Brain – Word Game Review

One Brain Screenshot

One Brain is a Word/Trivia/Education game from Erik Wegener, first launched in 24th April 2017.
It’s rated 4+ and currently has 282+ ratings on the App Store.

What Makes One Brain Stand Out

One Brain is inspired by the Stroop effect, a famous psychological test that measures how well you handle conflicting information. For example, it's harder to name the color of a word when the word itself spells a different color. This game challenges your whole brain as you fight to process the mixed signals and make the right call before time runs out.

Game modes:
• Colors: Does the word match the color it's written in?
• Arrows: Is the arrow actually pointing the way it says it is?
• Numbers: Is the math equation true or false?

How high can you score under pressure?

This Word game offers engaging gameplay and regular updates for mobile players.

Player Feedback

As a newer release, One Brain is building its player community. Early feedback suggests .

Recent Updates & Development

Latest Update: 5th July 2025

Recent improvements include:
• Improved support for Game Center

Download & Availability

One Brain is available through the official App Store for iOS devices.

Get One Brain on App Store

Requirements: Requires iPhone 5s / iPad Air / iPad Air (Cellular) / iPad Mini 2 (Retina) / iPad Mini 2 (Retina, Cellular) / iPhone 6 / iPhone 6 Plus / iPad Air 2 / iPad Air 2 (Cellular) / iPad Mini 3 or later.

Compatible with iPhone and iPad devices.

Player Experience Highlights

Community Insight:

What the deal with the popups!!! There annoying!!! STOP THE FREAKING POPUPS.


Brain games are really important . It's important to make them fun too so you keep coming back:) These are fun.


This game makes us wanna kill our self that is all :).


This game gets us ready for school. And we are always enjoying a great brain game.


Timer runs out quickly; very fun to play.


Good if you're working on strengthening your mind. Simple and good for very slow thinking processes.


Something that would make the game more fun would be to add rewards and missions and maybe some minigames. The time runs out very quickly, its a very fun game. Overall we redommend this game.


This game is fun and simple. It tests you on how well the two halfs of your brain work together. The reason we docked one star is because we feel like this game should have some kind of reward you can earn. Like missions that you can try to accomplish, and maybe you can have mini games that also test your mind, but only are available if you complete a certain task. We don't know, something to just mix things up. But overall this game is good, and we recommend it.


Hard but fun kide of good game good time wastor.


It's good apart from the annoying fact that it constantly pops up Time Up after just a few clicks. At this rate it's purpose is to test your patience rather than intellect.


One second is a sure fail! We'd say 2-3 seconds at least! On our computer it takes that long to get our mouse to the right side, let alone click on it.


We push the right one game ends. Never downloading or playing again.


Confusing! Doesn't score properly. No matter which we choose, we get the same score. Need directions.


We hope the developer will add a way to adjust the time to reply. People with ADHD, etc. Can have a really hard time answering within one second. So do people with other intellectual or physical disabilities. This game would be a great tool for developing better mental and physical dexterity, but right now it's impossible. Thanks.


Instructions are not clear. And there's no way to go. Back and find the instructions once the app starts. We're not happy with this.


We were downloading this app for our son 9 years old .. And we noticed that too many adult ads that not supposed to be in a game app Thats really disappointed.


If one only has a trackpad to use, this app doesn't allow enough time to manuever back and forth, and there doesn't appear to be anyway to change the settings. Otherwise its fine.


This game doesn't work. It just gives a bunch of "times up" pop ups whenever you click anything right or wrong.


We dont get it. We thought it was gonna be a fun game to test our mind but it was more confusing but in the wrong way. We would click the "right" answer and it would tell us that we are wrong. Like we would click correct for "is 1 2 is 3" and it would say im wrong. The only time we actually got a high number in this game is when we would click randomly and not even look at the question. Not like advertised and reviewed. We regret downloading with the hope that it would be fun :(.


Soo baddddddd dont make sence mack stop click batting! We wish we never got this game. DO NOT GET.


Once you click a right anser, it will state you were wrong. The system is not synced right.


This game says its timed but has no timer. We'll get the answer correct and on our first question it says times up! Not worth downloading. Don't waste your space and time.


Well we had a head injury so its hard and confusing for us.


Its a simple premise thats done very well and that we enjoy.


Love this game! Its really such a simplistic yet very effective and fun game. We hope the developers keep em coming.


It takes about 10min for our brain to catch up.


We like the game but It has too much ads in it and thanks.


We wish there were more grown up match memory games like our favorite Skillz match game its also black and white. We like black and white or white symbols against black background and just a small crisp quick tone for a match. We liked more simple ones but grown up like the dress tooth pear heart star cherries strawberries batteries ladder circle camera console and so on… But cooler things like skulls or owls or rock or heros All together done well very talented developers enjoy your just rewards!. Good Game.


We were okay with some ads, but there WAY too many. You cant even play 3 times in a row without ad interruption. We deleted it.


Oh boy, is it addicting! Not a neuroscientist, but we think it actually trains your mind. At first it drove us mad because of the ridiculous difficulty but you will master it eventually.
User feedback from Apple App Store


App Details

  • Version: 2.9.7
  • Size: 13.68 MB
  • iOS: 12 or later
  • Languages: EN, DE
  • Content Advisory:
  • Developer: Erik Wegener

Last updated: 5th July 2025 | Genre: Word, Trivia | Developer: Erik Wegener

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