Life & fun · alternatives · 2026

24 alternatives to Response Timer - Reaction Test

Test your response time with Response Timer - Reflex Test

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Response Timer - Reaction Test launched in 2017; newer entries below may have overtaken it.

1. 1
   Reflex Timer - Response Test▲6

   Test Your Response Time With Reflex Timer - Response Test

   2017 · apps.apple.com · its alternatives →

2. 2
   Reaction Timer for Mac▲67

   A simple but addictive reaction based game. Now on macOS!

   2020 · apps.apple.com · its alternatives →

3. 3
   Tempo Loop▲65

   Test your timing and reflexes

   2016 · apps.apple.com · its alternatives →

4. 4
   Reaction Timer▲3

   A simple but addictive reaction based game.

   2017 · apps.apple.com · its alternatives →

5. 5
   OneTapTool Reaction Time Test▲4

   Test your reflexes free — 5 rounds, instant score

   Jul 2026 · onetaptool.com · its alternatives →

6. 6II
   Is It Snappy? – Measure latency with your iPhone's 240 Hz camera▲293

   Measure input-to-output latency with your iPhone

   2017 · isitsnappy.com · its alternatives →

7. 7
   Reaction Time Test▲3

   Benchmark your reflexes, clicking speed, and aim accuracy

   Dec 2025 · reaction-time-test.org · its alternatives →

8. 8
   Reaction Time Test▲2

   Measure your reaction speed in 5 taps

   Jan 2026 · reactiontest.site · its alternatives →

9. 9
   Reflex Rooster▲100

   Can You React in Under 300ms!?

   Feb 2026 · reflexrooster.com · its alternatives →

10. 10
    Reaction Time Test▲1

    Measure your reaction speed with a simple 5-round test

    Aug 2026 · reactiontimetest.fun · its alternatives →

11. 11
    Slack Emoji Reactions▲279

    Respond to any message with an emoji! 🎉😻🙌

    2015 · slack.com · its alternatives →

12. 12
    REACTION TIME CHAMPION ▲7

    How fast are you? Prove it.

    2025 · reaction-web-app.netlify.app · its alternatives →

13. 13
    Reaction Test▲8

    Professional online reaction speed test

    2024 · its alternatives →

14. 14
    Audience Reacts▲185

    Feel the room, one emoji at a time

    2023 · reactions.stagetimer.io · its alternatives →

15. 15
    Reaction Time Test▲6

    Online visual reaction speed testing tool

    2025 · reaction-time-test.online · its alternatives →

16. 16
    Reply 2.0▲230

    Automate your personal emails + calls + tasks

    2019 · reply.io · its alternatives →

17. 17
    Reflex▲61

    Effortlessly auto respond with custom messages

    2023 · github.com · its alternatives →

18. 18
    Reaction Timer Game ▲6

    React fast, save score, earn medals!

    2025 · skillshare.infinityfree.me · its alternatives →

19. 19
    ReflexX▲3

    A professional reaction time testing platform

    Mar 2026 · reflexx.uk · its alternatives →

20. 20
    Tinder Reactions▲142

    The Menprovement Initiative is now underway

    2017 · tinderpressroom.com · its alternatives →

21. 21
    Responsinator▲64

    Designed to test responsive websites on different devices.

    2015 · its alternatives →

22. 22
    Timed▲89

    Workout timer app for iPhone and Apple Watch

    2021 · apps.apple.com · its alternatives →

23. 23
    Antenna▲84

    A reaction button for the web (pre-launch)

    2015 · its alternatives →

24. 24
    Best Reaction Test▲1

    Test your reaction time in 5 rounds — free, no signup

    Sep 2026 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →