# Grid Start

> Grid Start (iPhone/iPad app by Kenya Koizumi.)

- Source: https://appshunter.io/ios/app/grid-start/id6779566201 (this page in markdown: same URL + `.md`)
- Developer: [Kenya Koizumi](https://appshunter.io/developer/1896680619)
- Category: Games
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 4 MB
- Languages: English, Japanese
- Released: 2026-06-21
- Data updated: 2026-07-29
- User reviews in markdown: https://appshunter.io/ios/app/grid-start/id6779566201/reviews.md

## What is Grid Start?

■ One rule. That's it.
Five red lights come on, one per second. The instant they all go out — TAP!
A racing-start reflex game that measures your reaction time down to 0.001 seconds.

■ What's your rank?
- Under 0.18s … Pro Driver
- Under 0.23s … Semi-Pro
- Under 0.30s … Amateur Racer
Slower than that? Play and find out.

■ Earn coins in Best of 5
Five runs in a row — your average time decides the reward.
Jump the start (tap before lights out) and you're done. The tension is addictive.

■ Collect all 31 machines
Spend your coins on the gacha and build your garage.
Animals, weather, myths, celestial bodies — 31 machines across rarity tiers.
And one Secret machine nobody talks about. Obtain it and see your number: "Owner #N in the world."

■ World leaderboards
Compete on Game Center with two boards: best single time and best 5-run average.

■ Send a challenge
Share your result card and ask your friends: "Can you beat this time?"


## Version history (last 1 release)

### 1.0 — 2026-06-21

No release notes.

## More apps by Kenya Koizumi

- [MatchGO 今日何する？お出かけ決定](https://appshunter.io/ios/app/matchgo/id6769704391)
- [Tiltop](https://appshunter.io/ios/app/tiltop/id6781113906)

All apps by Kenya Koizumi: https://appshunter.io/developer/1896680619

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-29.*