Simple Reaction Time Test vs Race Start Test
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Simple Reaction Time Test
Test your reflexes with a simple tap-based game. The screen flashes colors before a green prompt appears, and you must tap as quickly as possible to record your reaction time. Share your best scores with friends.
- Tap-based reaction test
- Color-changing prompts
- Millisecond timer
- Share scores with friends
- Reset average time option
- Ad removal option
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This app is a very simple way to test your reaction time. When you tap play, the app changes back and forth from red and yellow screens. It then changes to a green screen with a millisecond timer, and you have to tap as fast as possible to get your best possible reaction time. You can compete with friends by sharing your fastest times via iMessage, Twitter, Facebook, etc. There are also In-App Purchases to reset your average time and remove in game ads.
Race Start Test
Sharpen your Formula Grand Prix starting reflexes. Click as fast as possible to achieve optimal race starts and improve your reaction time. Compete against global racers and enhance your overall reflex skills.
- Formula Grand Prix reflex testing
- Fastest click response
- Improve race start skills
- Global leaderboards
- Enhance reflex abilities
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Test your Formula Grand Prix reflexes. Just click as fast as possible to take good start at racing. Starts are so important for formula racing and you can increase your skills with this game. Beat fastest racers in the world. Increase your reflex skills. Just click and start to race!
Screenshots
Verdict
The clearest difference is rating: Race Start Test at 4.5 against Simple Reaction Time Test's 3.9. Race Start Test also leads on review sentiment (46% vs 17%) and update cadence (every 3 months vs every 10 months). Simple Reaction Time Test's advantage is ads (none vs shown) and iOS requirement (10.0 vs 12.0). On price, in-app purchases 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
Both are free to download. Simple Reaction Time Test sells 2 one-off in-app purchases and Race Start Test sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Race Start Test holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: Race Start Test has 247 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 17% of Simple Reaction Time Test's written reviews are positive against 46% of Race Start Test's.
Simple Reaction Time Test ships an update every 10 months, Race Start Test every 3 months. The most recent releases landed on July 4, 2026 and September 7, 2026 respectively.
| Parameter | Simple Reaction Time Test | Race Start Test |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (9 ratings) | 4.5 (247 ratings) — better |
| Positive reviews | 16.7% of reviews | 46.2% of reviews — better |
| Number of ratings | 9 | 247 — better |
| Update frequency | Every 10 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 27 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Brock Carpani | Omer Sina Ceylan |
Customer experience
Simple Reaction Time Test
Race Start Test
Bugs and requests
Simple Reaction Time Test
Not enough reviews yet to summarise bugs or requests.
Race Start Test
Reported bugs
11 issues- Reload button doesn't work - requires app restart
- Tap/click input not registered consistently
- App freezes and becomes unresponsive
- App crashes after each attempt
- Wheel UI element positioned incorrectly after update
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- Click detection fails before 0.3 second mark
- Double-tap required to register single tap
- Game doesn't progress past 'Click to start again' screen
- Coins not saved after restart
- Timing results appear randomized or duplicated
- Download/installation failures
Requested features
8 requests- Reset high score button without losing progress
- Ability to click anywhere on screen to stop timer
- Settings tab for customization options
- Adjustable light speed difficulty settings
- Hide earned coins display option
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- Clutch button mechanic with difficulty scaling
- Dynamic difficulty based on recent performance
- Free access to all challenges
In-app purchases
Simple Reaction Time Test
- Reset Average Time$0.99
- Remove Ads$2.99
Race Start Test
- 2500 Coin$0.99
- Remove Ads$0.99
- 7500 Coin$1.99
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- 25000 Coin$4.99
Questions
Is Simple Reaction Time Test free?
Is Race Start Test free?
Which has better reviews, Simple Reaction Time Test or Race Start Test?
Do Simple Reaction Time Test or Race Start Test have ads?
Which is updated more often, Simple Reaction Time Test or Race Start Test?
Other comparisons
