One Brain vs Colors
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
One Brain
Test your cognitive abilities with a game inspired by the Stroop effect. Quickly identify matching colors, arrow directions, or true/false math equations under time pressure. Challenge your brain to process conflicting information and achieve high scores.
- Stroop effect inspired gameplay
- Color matching challenges
- Arrow direction tests
- Math equation verification
- Timed gameplay
- Score tracking
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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? • Words: Which word matches the definition? How high can you score under pressure?
Colors
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A fast game that tests your focus and mental reflexes. The screen fills with a color and several words appear. Your mission: tap the word that names the background color. The catch: every word is painted in a different color to trick you. Your eyes say one thing, your brain says another. HOW TO PLAY - You start with 7 seconds and the clock never stops - Every correct answer adds time, but the bonus shrinks as you progress - Every mistake costs you 1 second - At 10 correct answers a new option appears, and at 20, another one WHY IT'S ADDICTIVE - Rounds last seconds: perfect for any moment - Harder and harder: more options and less extra time - 11 different colors to confuse your brain - Saves your top 5 scores so you can beat your record - Haptic feedback on every hit and miss Train your focus, challenge your friends and find out how your brain holds up under pressure. Available in English, Spanish and Portuguese.
Screenshots
Verdict
The clearest difference is in-app purchases: Colors at none against One Brain's 1. One Brain's advantage is update cadence (weekly vs every 4 months) and device support (4 vs 2). On price and ads 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. One Brain sells 1 one-off in-app purchase. Colors asks for nothing beyond the download.
One Brain ships an update weekly, Colors every 4 months. Both last shipped on October 24, 2026.
| Parameter | One Brain | Colors |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (297 ratings) — better | — |
| Positive reviews | 58.6% of reviews | — |
| Number of ratings | 297 — better | — |
| Update frequency | Weekly — better | Every 4 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15 — better | 17.5 |
| Further details — not scored | ||
| Size | 10 MB | 6 MB |
| Age rating | +4 | 4+ |
| Developer | Erik Wegener | Hector Pedro Toledo |
Bugs and requests
One Brain
Reported bugs
3 issues- Incorrect registering of correct answers
- Crashes and freezes on certain devices
- Keyboard controls not working as expected
Requested features
3 requests- Adjustable difficulty levels
- More game modes and variations
- Option to disable ads or pay for ad-free version
Colors
Not enough reviews yet to summarise bugs or requests.
In-app purchases
One Brain
- Remove Ads$0.99
Colors
No in-app purchases








