# Brain Spark vs Race Start Test

Brain Spark and Race Start Test both sit at 4.6 stars, but that hides the real split: 96% of Brain Spark's written reviews are positive against 46% of Race Start Test's. Race Start Test's advantage is monetization model (ad-supported vs free with in-app purchases) and iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Brain Spark sells 1 one-off in-app purchase and Race Start Test sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Brain Spark against 4.5 for Race Start Test. Both are backed by a comparable volume of ratings — 214 and 247 respectively. Written reviews are what separate them: 96% of Brain Spark's written reviews are positive against 46% of Race Start Test's.

Brain Spark ships an update every 2 months, Race Start Test every 3 months. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Brain Spark | Race Start Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (214 ratings)](https://appshunter.io/ios/app/brain-spark-fast-reaction/id1489648961/reviews)** | [4.5 (247 ratings)](https://appshunter.io/ios/app/race-start-test-formula-reflex/id1531663134/reviews) |
| Number of ratings | 214 | **247** |
| Positive reviews | **96.3% of reviews** | 46.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 71 MB | 30 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HYBRIONA TECHNOLOGIES LLP](https://appshunter.io/developer/788446891) | [Omer Sina Ceylan](https://appshunter.io/developer/1525846745) |

## What reviewers say

### Brain Spark

[App page](https://appshunter.io/ios/app/brain-spark-fast-reaction/id1489648961)

This arcade game challenges your concentration and reaction skills with engaging gameplay. Test your ability to tap the correct or incorrect colors quickly to earn bonus points and climb the global leaderboard. It's a fun way to exercise your brain in your spare time.

**Highlights:** Normal mode: tap correct color, Reverse mode: tap wrong color, Bonus points for quick taps, Global leaderboard, Motivating background music, Simple gameplay

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | 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 Brain Spark free?

Brain Spark 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, Brain Spark or Race Start Test?

Brain Spark is rated higher. Brain Spark averages 4.6 out of 5 from 214 ratings, while Race Start Test averages 4.5 from 247 ratings.

### Do Brain Spark or Race Start Test have ads?

Both Brain Spark and Race Start Test show ads.

### Which is updated more often, Brain Spark or Race Start Test?

Brain Spark ships an update every 2 months, and Race Start Test every 3 months. Most recently, Brain Spark was updated on October 11, 2026 and Race Start Test on October 9, 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.*