Reaction Timer Game vs ProReact
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Reaction Timer Game
Test your reflexes with this game where the goal is to stop a timer exactly on zero. It features multiple difficulty levels and quick rounds, making it perfect for playing anytime, anywhere, even offline.
- Stop timer exactly on zero
- Multiple difficulty levels
- Quick play rounds
- Offline play supported
- Single and multi-timer challenges
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Think YOU can beat Reaction Timer? Do you have lightning-fast reflexes? Prove it with the Reaction Timer game that will have you tapping, gasping, and celebrating (or groaning) every time you try to land exactly on zero. With multiple levels from “I Got This” to “Seriously?!” Start off simple with one timer, then rise through the challenges with two or three timers. Super-Short Rounds mean you can pick-up-and-play anytime you’ve got a spare moment, while you're on the train, waiting for a bus, or at a boring family event! Land a perfect zero for instant bragging rights and show off to your friends… or watch them crumble under the pressure! No WiFi or internet connection needed, perfect for killing time on the go - anywhere, anytime. Get ready for heart-pounding moments, frantic taps, and endless attempts to hit the elusive zero. Download now to discover if you have the reflexes of a ninja, or if you’ll be left chasing that perfect stop forever!
ProReact
Test your reflexes by tapping the screen when a red color appears or vibration is felt. This open-source application offers an ad-free experience at no cost. Measure your reaction time and have fun with this simple game.
- Measure reaction time
- Tap on red screen
- Vibrational feedback
- Ad-free experience
- Open-source on GitHub
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Measure your reaction time by tapping on the screen as fast as you can when you see the red screen or feel the vibrational feedback. ProReact offers you a completely ad-free experience at absolutely no cost. You can find ProReact as an open-source app on GitHub - just search for "ProReact-App". Have fun measuring your reaction time!
Screenshots
Verdict
The clearest difference is review sentiment: Reaction Timer Game at 63% against ProReact's 0%. Reaction Timer Game also leads on rating (4.2 vs 1.0) and ratings volume (71 vs 1). ProReact's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price 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. Reaction Timer Game sells 2 one-off in-app purchases. ProReact asks for nothing beyond the download.
Reaction Timer Game holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Reaction Timer Game has 71 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 63% of Reaction Timer Game's written reviews are positive against 0% of ProReact's.
Reaction Timer Game ships an update every 5 months, ProReact every 3 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.
| Parameter | Reaction Timer Game | ProReact |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (71 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 62.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 71 — better | 1 |
| Update frequency | Every 5 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple TV, Apple Watch, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Coomer | Kropf IT e.U. |
Customer experience
Reaction Timer Game
ProReact
In-app purchases
Reaction Timer Game
- Extra Games$0.49
- Nudges$0.99
ProReact
No in-app purchases
Questions
Is Reaction Timer Game free?
Is ProReact free?
Which has better reviews, Reaction Timer Game or ProReact?
Do Reaction Timer Game or ProReact have ads?
Which is updated more often, Reaction Timer Game or ProReact?
Other comparisons
