Comparison

Reaction Speed Reflex Trainer vs The Impossible Safe

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Reaction Speed Reflex Trainer

Sharpen your reflexes and boost reaction speed with engaging game modes. Measure your reaction time to the millisecond, compete on global leaderboards, and track your progress. Ideal for improving focus, training reflexes, or simply for fun.

Highlights
  • Reaction time measurement
  • Multiple game modes
  • Global leaderboards
  • Progress tracking
  • Focus and reflex training
Features
Read full description

Boost your reaction speed and sharpen your reflexes with the ultimate Reaction Time Test app! Designed for simplicity and fun, this app puts your reaction time to the ultimate test. Tap the moment the screen changes from red to green and see your reactions measured down to the millisecond. Explore exciting game modes that challenge your reflexes and reaction skills: Classic Reaction Test: Tap the moment the screen turns green. Lights Out: Inspired by Formula 1, react to the lights turning off as quickly as possible. Chimp Test: Test your memory and reactions simultaneously in this unique challenge. Aim Game: Hit 30 targets as fast as you can to test your speed, precision, and reactions. The Hole: A fun twist that combines accuracy and reaction timing. Compete with others by climbing the reaction leaderboards and comparing scores with players worldwide. Track your reaction progress, smash your personal best, and see your reaction time improve with every game mode. Whether you’re improving focus, training reflexes, or just having fun, this app is the ultimate tool to train and test your reaction time. Download now to test, train, and dominate your reactions! EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

The Impossible Safe

Experience the thrill of a high-stakes heist by cracking a virtual safe against the clock. This game uses advanced haptic feedback to simulate the tactile experience of manipulating a lock, challenging your focus and nerve.

Highlights
  • Haptic feedback for realistic lock manipulation
  • 60-second time limit for each attempt
  • Global leaderboards for competitive play
  • Challenge friends to head-to-head contests
  • Immersive and tactile gameplay
Features
Read full description

Unlock the Thrill of the Ultimate Heist with The Impossible Safe Ever wondered what it feels like to be part of a high-stakes heist, the kind that keeps you on the edge of your seat in blockbuster movies like Mission Impossible or Ocean’s Eleven? The clock is ticking, your heart’s racing, and all that stands between you and untold riches is a vault that no one’s ever been able to crack… until now. Welcome to The Impossible Safe — a game that turns your iPhone into the vault of your dreams and challenges you to crack it with nothing but your wits and a keen sense of touch. In this pulse-pounding race against time, every second counts, and every move brings you one step closer to becoming the ultimate master of safes. Feel the Lock Click: The Magic of Haptic Feedback Forget about random guessing or mindless tapping — The Impossible Safe lets you feel the lock with your fingers. Using your iPhone’s advanced haptic feedback technology, this game transforms each spin of the dial into an immersive experience. You’ll sense the subtle vibrations as you get closer to the correct combination, just like a master safecracker using a stethoscope to hear that perfect “click” in the movies. Spin the dial, listen with your fingers, and discover the thrill of finding the exact moment when the tumblers fall into place. It's tactile. It's realistic. And it's unlike any game you’ve played before. A Race Against Time: Can You Handle the Pressure? In the world of The Impossible Safe, time is your biggest enemy. You’ve got just 60 seconds to crack the code before the opportunity slips through your fingers. Do you trust your instincts? Can you keep your cool when every second brings you closer to success… or failure? This isn't just a game; it's a test of nerves, skill, and focus. With every turn of the dial, the tension mounts. Your goal? Crack the safe before the timer hits zero. The question is — can you do it under pressure? Challenge Friends and Rivals: Who’s the Ultimate Safe Cracker? Cracking safes is a lot more fun when there’s competition. Think you’ve got the fastest fingers and the sharpest mind? Prove it! The Impossible Safe lets you challenge friends, family, and players from around the world to see who can crack the safe the quickest. You’ll climb the leaderboards to become the best of the best. But don’t get too comfortable — there’s always someone out there looking to knock you off the top spot. Features That Keep You Hooked: * Haptic Feedback Mastery: Feel your way to the right combination with iPhone’s haptic technology, making every game an immersive and tactile experience. * Beat the Clock: You have only 60 seconds to crack the safe, creating a thrilling race against time that keeps your adrenaline pumping. * Global Leaderboards: Compete with players worldwide, rise through the ranks, and prove you're the ultimate safe-cracking genius. * Challenge Your Friends: See who’s the fastest and most precise among your friends. Can they keep up with your pace? * Endless Replayability: Every game is different, with new combinations and a new rush of excitement every time you spin the dial. It’s easy to pick up, but hard to master — the perfect balance for those who want to test their skills without spending hours learning complex mechanics. The more you play, the better you’ll get at recognizing the subtle feedback and adjusting your technique to crack safes faster than ever. The Art of the Heist in Your Pocket Step into the shoes of the world’s greatest safecracker and take on a challenge that will test your reflexes, intuition, and nerves. With The Impossible Safe on your iPhone, you’ll have the tools to pull off the heist of the century anytime, anywhere. No complicated setups. No need for advanced strategies. Just you, your phone, and the thrill of cracking the world’s most impossible safes. Are you ready to take on the challenge? Spin the dial, feel the click, and see if you’ve got what it takes to crack The Impossible Safe.

Screenshots

Reaction Speed Reflex Trainer4 screens
The Impossible Safe4 screens

Verdict

The call

The clearest difference is rating: Reaction Speed Reflex Trainer at 4.6 against The Impossible Safe's 3.0. Reaction Speed Reflex Trainer also leads on review sentiment (53% vs 34%) and ratings volume (1.4K vs 175). The Impossible Safe's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Reaction Speed Reflex Trainer sells 4 in-app purchases, starting at $0.99 per 7 days. The Impossible Safe asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Reaction Speed Reflex Trainer holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Reaction Speed Reflex Trainer has 1.4K ratings behind it against 175, so its average is the more settled of the two. Written reviews point the same way: 53% of Reaction Speed Reflex Trainer's written reviews are positive against 34% of The Impossible Safe's.

UpkeepUpdate frequency

Reaction Speed Reflex Trainer ships an update every 3 months, The Impossible Safe every 2 months. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

Scorecard6 real differences · 4 level
Reaction Speed Reflex Trainer versus The Impossible Safe: the parameters behind the verdict, then further details
ParameterReaction Speed Reflex TrainerThe Impossible Safe
PriceFreeFree
Rating4.6 (1.4K ratings) — better3.0 (175 ratings)
Positive reviews53.4% of reviews — better34.2% of reviews
Number of ratings1.4K — better175
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.6 — better17.0
Further details — not scored
Size27 MB2 MB
Age rating4+4+
DeveloperVicki PartridgeEdvin Linden

Customer experience

Reaction Speed Reflex Trainer

All ratings1,408 ratings
Positive91.4%
Neutral3.6%
Negative5.0%
Written reviews133 reviews
Positive53.4%
Neutral8.3%
Negative38.3%

The Impossible Safe

All ratings174 ratings
Positive50.0%
Neutral3.4%
Negative46.6%
Written reviews38 reviews
Positive34.2%
Neutral0.0%
Negative65.8%

User reviews

Reaction Speed Reflex Trainer

From 1.4K App Store ratings

What we love

  • 🚀 Helps improve reaction time
  • 👍 Simple and straightforward
  • 👍 Clean interface
  • 👍 Useful for athletes and gamers

Room to improve

  • 🐛 Inaccurate timing and reaction time tracking
  • 🔍 Excessive ads that interfere with gameplay
  • 💰 Paid subscription required for full features
  • 🐛 Crashes and bugs after purchasing ad-free version

The Impossible Safe

From 175 App Store ratings

What we love

  • 👍 Fun and entertaining
  • 🚫 No ads
  • 📶 No wifi needed
  • ⏱️ Quick completion times
  • 💡 Uses haptic feedback

Room to improve

  • 🤔 Confusing gameplay
  • ❓ No instructions
  • ⏳ Too much time pressure
  • 😩 Too difficult/impossible
  • 👎 Not interactive

Bugs and requests

Reaction Speed Reflex Trainer

Reported bugs

3 issues
  • Reaction time not updating correctly
  • Crashes when trying to use paid features
  • Ads continue to show even after purchasing ad-free version

Requested features

3 requests
  • Track personal best reaction time
  • Add more game modes and challenges
  • Improve ad placement and reduce interruptions

The Impossible Safe

Reported bugs

3 issues
  • Doesn't open
  • Doesn't work
  • No game

Requested features

5 requests
  • Different lock skins
  • No time limitations
  • Lock picking version
  • Practice mode without timer
  • More attempts/time

In-app purchases

4 purchases

Reaction Speed Reflex Trainer

Subscriptions3
  • Weekly Subscription7 Days trial$0.997 Days
  • Monthly Subscription7 Days trial$4.991 Month
  • Yearly Subscription7 Days trial$9.991 Year
One-time1
  • Remove Ads$1.99
None

The Impossible Safe

No in-app purchases

Questions

Is Reaction Speed Reflex Trainer free?
Reaction Speed Reflex Trainer is free to download, with in-app purchases available.
Is The Impossible Safe free?
The Impossible Safe is free to download, with no in-app purchases.
Which has better reviews, Reaction Speed Reflex Trainer or The Impossible Safe?
Reaction Speed Reflex Trainer is rated higher. Reaction Speed Reflex Trainer averages 4.6 out of 5 from 1.4K ratings, while The Impossible Safe averages 3.0 from 175 ratings.
Do Reaction Speed Reflex Trainer or The Impossible Safe have ads?
Reaction Speed Reflex Trainer shows ads; The Impossible Safe does not.
Which is updated more often, Reaction Speed Reflex Trainer or The Impossible Safe?
Reaction Speed Reflex Trainer ships an update every 3 months, and The Impossible Safe every 2 months. Most recently, Reaction Speed Reflex Trainer was updated on September 28, 2026 and The Impossible Safe on September 17, 2026.

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