GridReady: Reaction Trainer
Five lights. One daily grid.
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Today's Daily Grid is live. Same five starts for every player on Earth, one try each. See where you land among your friends.
Five red lights. Then darkness. Go.
GridReady trains the one reflex every race start comes down to: how fast you react when the lights go out. Pro drivers live around 200 milliseconds. Find out where you are, then get faster every day.
THE DAILY GRID
Every day, every player gets the exact same five starts. One try, so it counts. Jump starts cost 100 ms. Your score is your median, and it lands on today's leaderboard next to your friends.
RACE YOUR FRIENDS
Friends and world standings run on Game Center. Challenge a friend to beat your Daily Grid or your best Lights Out time, and Apple tells you the moment someone passes you.
FIVE DRILLS
• Lights Out: the classic start. Pure reaction.
• Apex: one corner lights up. Hit it.
• Red Flag: black means go, red means hold.
• Sectors: clear numbered markers in order, fast.
• Quali Lap: every drill, mixed, faster each trial.
New drills unlock as you level up.
GET FASTER, SEE IT
Your 30-day trend, personal bests for every drill, your best Daily Grids, and a straight answer to "am I faster than last week?"
BUILT FOR TIMING
Taps are timed from the moment your finger lands, against the exact screen frame the cue appears on, at 120 Hz on ProMotion iPhones. Anything under 100 ms counts as a jump start, because that's a guess, not a reaction.
FEELS RIGHT
Clean white, black and racing red. Haptics on every light and every hit. Small, sharp sounds that respect your silent switch. No ads. No accounts. Your progress stays on your iPhone.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, BELIKELY UNITED LLP, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- BELIKELY UNITED LLP
- Size
- 2.5 MB
- Category
- Action
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 BELIKELY UNITED LLP
