Reaction Test Pro vs Stop the Box!!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Reaction Test Pro
Test your reflexes with precision down to the microsecond. Engage in a variety of fun mini-games designed to challenge your speed and skill. Compete with friends and players globally on leaderboards.
- Microsecond reaction time measurement
- Multiple mini-games
- Global leaderboards
- Challenge friends
- Skill-based challenges
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Welcome to the Top Reaction Test App on the App Store! Measure your reaction times to the microsecond and compete with your friends and others around the world in a series of exciting mini-games designed to push your skill to the edge. Games include: - Race Lights-Out - Whack-a-dot - Colour change - Ruler drop Game Center allows you to challenge friends and take your place on global leaderboards - giving you that ultimate flex.
Stop the Box!!
A challenging game designed to test your focus and reflexes. It offers simple gameplay that is difficult to master, providing an engaging experience for players seeking a mental workout.
- Focus testing
- Reflex challenges
- Easy to learn gameplay
- Difficult to master
- Engaging experience
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Test your focus and reflexes in Stop The Box! Easy to play. Impossible to master. ► Download and play now!
Screenshots
Verdict
The clearest difference is review sentiment: Stop the Box!! at 100% against Reaction Test Pro's 53%. Stop the Box!! also leads on rating (4.9 vs 4.3) and update cadence (every 5 weeks vs every 9 months). Reaction Test Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement 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. Stop the Box!! sells 1 one-off in-app purchase. Reaction Test Pro asks for nothing beyond the download.
Stop the Box!! holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: Reaction Test Pro has 196 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 53% of Reaction Test Pro's written reviews are positive against 100% of Stop the Box!!'s.
Reaction Test Pro ships an update every 9 months, Stop the Box!! every 5 weeks. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.
| Parameter | Reaction Test Pro | Stop the Box!! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (196 ratings) | 4.9 (14 ratings) — better |
| Positive reviews | 53.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 196 — better | 14 |
| Update frequency | Every 9 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Freedom Apps | Kevin Galarza |
Customer experience
Reaction Test Pro
Stop the Box!!
In-app purchases
Reaction Test Pro
No in-app purchases
Stop the Box!!
- Remove Ads$2.99
Questions
Is Reaction Test Pro free?
Is Stop the Box!! free?
Which has better reviews, Reaction Test Pro or Stop the Box!!?
Do Reaction Test Pro or Stop the Box!! have ads?
Which is updated more often, Reaction Test Pro or Stop the Box!!?
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