反応速度テスト｜0.000秒ストップウォッチ

Name: 反応速度テスト｜0.000秒ストップウォッチ
Author: worldscene

Liveworldscene24 apps · 775 installsLifestyleFree · contains adsnet.worldscene.reactionstopwatch

Stop at 0.000 seconds and test your reaction speed and focus.

Alert me ★ Watch Open in Play ↗

Total installs: 21
Installs / day: 0
Rating: —★
Released: 25 May 2026
Last update: 25 May 2026
Countries: —

Installs per day

gain of the exact counter

Daily tracking since 10 Oct 2026 · history grows every day

Install history

exact counter from Google Play

2dAll

Dashed: estimate from the release date (no daily data before 10 Oct 2026) · time axis compressed before that day

Daily tracking since 10 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
No data collected

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

4 in 1 group

0 Sensitive1 Notable3 Routine

OtherNotable4

Access to miscellaneous device features that don't fit other categories

Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Read more · all 4 permissions Show less

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Download

Full description

ReactionStopwatch is a simple reaction and focus game where you try to stop the countdown as close to 0.000 seconds as possible. Choose from 10-second, 5-second, and 3-second modes, then press START. When the countdown reaches 0.000, press STOP and see how close you were. Features: - Visible Mode: Watch the countdown and stop at the perfect moment - Blind Mode: Hide the timer and rely on your sense of timing - 10-second, 5-second, and 3-second game modes - Score based on how close you are to 0.000 seconds - Too Early result for early stops - Best score saved locally - Simple one-screen design - Large text and large buttons for easy play - Works completely offline Try again, improve your timing, and aim for a perfect 100-point score.

What's new

Initial release of ReactionStopwatch. Aim for 0.000 seconds and test your reaction and focus. Includes visible mode, blind mode, 3/5/10 second games, scoring, best score saving, and local play.

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