Fast Reflex vs ProReact
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Fast Reflex
This game challenges your reaction speed and hand-eye coordination with precise testing down to a millionth of a second. Compete globally on leaderboards and explore unique tests to boost focus and dexterity.
- Precise reflex testing
- Global leaderboards
- Telepathy test
- Enhances focus and dexterity
- Simple interface
- Quick mental exercises
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Experience reflex testing at its finest, with accuracy fine-tuned to an incredible 0.000001 second. Dive into a captivating game that tests your reaction speed and lets you compete with players from around the globe. This is more than just a game; it's a comprehensive tool to enhance your reflexes and hand-eye coordination. Your objective is simple: tap the red box as quickly as you can and rise up the global leaderboard. But there's more. Test your adaptability with shifts in color and sound. As an added feature, explore your mind's untapped potential with our unique Telepathy Test. Discover how quickly your thoughts can guide your fingers into action. Whether you're killing time or waiting for the bus, this app offers a stimulating mental exercise suitable for all ages. It's designed to help you practice your memory, focus, and dexterity. If you're keen on improving your reaction time, this app is the perfect tool to enhance your perceptual skills. Take the challenge today. Key Features: • Global and Cross-Platform Leaderboard • In-depth Reflex and Telepathy Tests • Simple and Intuitive Interface • Perfect for Quick Mental Exercises Boost your brain's speed today, and if you enjoy the game, please rate us.
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: Fast Reflex at 100% against ProReact's 0%. Fast Reflex also leads on rating (4.5 vs 1.0) and ratings volume (47 vs 1). ProReact's advantage is price (Free vs $0.99) and in-app purchases (none vs 1). On ads and device support 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
ProReact is free to download; Fast Reflex costs $0.99 up front. Fast Reflex sells 1 one-off in-app purchase. ProReact asks for nothing beyond the download.
Fast Reflex holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Fast Reflex has 47 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Fast Reflex's written reviews are positive against 0% of ProReact's.
Fast Reflex ships an update every 2 weeks, ProReact every 3 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.
| Parameter | Fast Reflex | ProReact |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (47 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 47 — better | 1 |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 76 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Radoslaw Kubas | Kropf IT e.U. |
Customer experience
Fast Reflex
ProReact
In-app purchases
Fast Reflex
- Remove Ads$0.99
ProReact
No in-app purchases
Questions
Is Fast Reflex free?
Is ProReact free?
Which has better reviews, Fast Reflex or ProReact?
Do Fast Reflex or ProReact have ads?
Which is updated more often, Fast Reflex or ProReact?
Other comparisons
