# Simple Reaction Time Test vs Race Start Test

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.

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.

## The numbers

| Metric | Simple Reaction Time Test | Race Start Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/simple-reaction-time-test/id1233756013/reviews) | **[4.5 (247 ratings)](https://appshunter.io/ios/app/race-start-test-formula-reflex/id1531663134/reviews)** |
| Number of ratings | 9 | **247** |
| Positive reviews | 16.7% of reviews | **46.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 27 MB | 30 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brock Carpani](https://appshunter.io/developer/1233756012) | [Omer Sina Ceylan](https://appshunter.io/developer/1525846745) |

## What reviewers say

### Simple Reaction Time Test

[App page](https://appshunter.io/ios/app/simple-reaction-time-test/id1233756013)

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.

**Highlights:** Tap-based reaction test, Color-changing prompts, Millisecond timer, Share scores with friends, Reset average time option, Ad removal option

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reset Average Time | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


### Race Start Test

[App page](https://appshunter.io/ios/app/race-start-test-formula-reflex/id1531663134)

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.

**Highlights:** Formula Grand Prix reflex testing, Fastest click response, Improve race start skills, Global leaderboards, Enhance reflex abilities

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2500 Coin | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| 7500 Coin | $1.99 | one-time |
| 25000 Coin | $4.99 | one-time |

**What reviewers like**

- 🎮 Fun and engaging gameplay mechanics
- 👥 Great for competitive play with friends and family
- 🧠 Effective reaction time training tool
- ⭐ Licensed F1 driver endorsement (Max Verstappen)
- 💰 Affordable pricing with optional cosmetics

**What reviewers complain about**

- 🐛 Reload/restart button frequently doesn't work
- 🐛 Tap detection issues and unresponsive clicks
- 💸 Paywall at challenge 7 restricts content
- 🐛 App crashes after completing rounds
- 🐛 UI element positioning issues after updates

**Reported bugs**

- 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

**Requested features**

- 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


## Frequently asked questions

### Is Simple Reaction Time Test free?

Simple Reaction Time Test is free to download, with in-app purchases available.

### Is Race Start Test free?

Race Start Test is free to download, with in-app purchases available.

### Which has better reviews, Simple Reaction Time Test or Race Start Test?

Race Start Test is rated higher. Simple Reaction Time Test averages 3.9 out of 5 from 9 ratings, while Race Start Test averages 4.5 from 247 ratings.

### Do Simple Reaction Time Test or Race Start Test have ads?

Race Start Test shows ads; Simple Reaction Time Test does not.

### Which is updated more often, Simple Reaction Time Test or Race Start Test?

Simple Reaction Time Test ships an update every 10 months, and Race Start Test every 3 months. Most recently, Simple Reaction Time Test was updated on July 4, 2026 and Race Start Test on September 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*