Comparison

Reaction Timer Training vs Reaction Lab

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

Head to head
About

Reaction Timer Training

Enhance your cognitive and physical performance with this reaction training app. Improve reaction time, decision-making, and coordination using customizable drills and Apple Watch integration. Track progress and sync data with the Health app.

Highlights
  • Improve reaction time
  • Enhance decision time
  • Develop peripheral vision
  • Boost coordination and speed
  • Customizable training drills
  • Apple Watch integration
  • Health app sync
Features
Read full description

# Reaction Timer Training ## Train Faster. React Smarter. Unlock your brain's full potential with **Reaction Timer Training**—the ultimate app for improving reaction speed, decision-making, focus, and cognitive performance. Unlike many reaction training apps, **no additional hardware is required**. All you need is your **iPhone or iPad** to start training anywhere, anytime. Expand your training even further by connecting **up to five additional iOS devices**, allowing you to create more dynamic and challenging reaction exercises. Control your training effortlessly with the **Apple Watch** companion app, which lets you start, pause, and manage sessions directly from your wrist while your iPhone runs the workout. ## Science-Backed Performance Training Scientific research has shown that elite sports performance depends not only on physical ability but also on sensory and cognitive skills. Athletes who can quickly identify relevant information, make faster decisions, and execute the appropriate response gain a significant competitive advantage. Reaction time, anticipation, and decision-making are essential components of high-level athletic performance—and they can all be trained. ## Improve Your: * Reaction Time * Decision-Making Speed * Peripheral Vision * Hand-Eye Coordination * Speed * Agility Reaction speed is a trainable skill. Regular practice can help improve how quickly you perceive, process, and respond to visual and auditory stimuli. ## Ready-to-Use Training Library Start immediately with a growing library of professionally designed training sessions. With a **Premium Subscription**, you'll unlock the complete training library and advanced customization features. You can: * Customize any predefined training. * Create unlimited custom workouts. * Configure exercises using: * Colors * Sounds * Arrows * Numbers * Letters * Images * And more. ## Powerful Interval Training Create training sessions that perfectly match your goals. Configure: * Work and rest intervals * Multiple training cycles * Different timings for each cycle * Different reaction stimuli for every phase Whether you need simple interval workouts or complex sport-specific reaction drills, Reaction Timer Training gives you complete control over every session. ## Perfect for Athletes and Coaches Reaction Timer Training is designed for athletes of all levels, as well as coaches looking to improve their athletes' reaction speed, decision-making, and cognitive performance. Whether you train individually or with a team, the app provides powerful tools to develop faster reactions and smarter decisions. Challenge yourself. Train your brain. Elevate your performance. ## Apple Health Integration Reaction Timer Training integrates with **Apple Health** to automatically record your workouts and keep track of your training activity. ## Learn More Reaction Timer Training Website: https://hmap13.wixsite.com/reactiontimer Terms of Service: https://hmap13.wixsite.com/reactiontimer/terms-of-use Privacy Policy: https://hmap13.wixsite.com/reactiontimer/privacy-policy

About

Reaction Lab

Measure and improve your response speed with a suite of scientifically-inspired tests. Track progress over time with detailed analytics and gain insights into your performance in various situations. Designed for focus and privacy, all data stays on your device.

Highlights
  • Multiple reaction time test types
  • Visual, audio, and haptic cues
  • Grip-release and motion-based tests
  • Dual-task and fatigue tracking
  • Detailed session summaries and trend charts
  • On-device data privacy
  • Offline functionality
Features
Read full description

Reaction Lab is a fast, accurate reaction-time testing suite built to help you measure and understand how quickly you respond in different situations. Whether you’re training for sports, improving focus, or tracking performance over time, Reaction Lab gives you clean, scientifically-inspired tests and easy-to-read analytics—right on your iPhone. Test Your Reaction Time in Multiple Ways Reaction time isn’t just one thing. Reaction Lab includes multiple test types designed to measure different pathways and skills: • Simple Visual Tap – Tap as soon as a visual stimulus appears • Choice Reaction – Respond to directional or on-screen prompts with speed and accuracy • Audio Reaction – React to sound cues for “eyes-off” testing • Haptic Reaction – React to vibration cues with no visuals or audio • Grip-Release (Inhibitory Control) – Hold, then release as fast as possible when prompted • Motion Reaction – React by moving the phone (tilt/lift/rotate) • Dual-Task Under Load – React while performing a secondary task to measure real-world performance • Fatigue Drift – Track how reaction time changes over a continuous timed session • Anticipation vs Reaction – Detect premature responses and impulse control patterns • Asymmetry Testing – Compare dominant vs non-dominant performance Track Progress Over Time Reaction Lab automatically saves your sessions and turns raw reaction data into meaningful insights: • Session summaries: median, average, best, worst, variability • Accuracy metrics: false starts, errors, timeouts • Trend charts by test type over 7 / 30 / 90 days • Per-session breakdowns across every trial Clean, Focused, Tool-Like Design Reaction Lab is built to be simple, fast, and distraction-free: • Large touch targets and high-contrast test screens • Clear trial progress indicators • Instant feedback on mistakes or false starts • Smooth navigation between tests, history, insights, and settings Fully On-Device and Private Your data stays on your device. • No accounts • No cloud sync required • No tracking • Works offline If you’ve ever wondered how your reaction time changes with training, fatigue, stress, or consistency—Reaction Lab gives you the tools to measure it. Download Reaction Lab and start testing. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://anthonyharveyapps.com/privacy-policy-reaction-lab

Screenshots

Reaction Timer Training4 screens
Reaction Lab4 screens

Verdict

The call

The clearest difference is rating: Reaction Lab at 5.0 against Reaction Timer Training's 2.3. Reaction Lab also leads on ads (none vs shown). Reaction Timer Training's advantage is update cadence (every 3 months vs every 7 months) and device support (4 vs 1). On price, ratings volume, in-app purchases and monetization model 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 Timer Training sells 1 in-app purchase, starting at $1.99 per month and Reaction Lab sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Reaction Lab holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

UpkeepUpdate frequency

Reaction Timer Training ships an update every 3 months, Reaction Lab every 7 months. The most recent releases landed on October 5, 2026 and September 26, 2026 respectively.

Scorecard5 real differences · 5 level
Reaction Timer Training versus Reaction Lab: the parameters behind the verdict, then further details
ParameterReaction Timer TrainingReaction Lab
PriceFreeFree
Rating2.3 (4 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings4 — better2
Update frequencyEvery 3 months — betterEvery 7 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS15.0 — better18.0
Further details — not scored
Size35 MB22 MB
Age rating4+4+
DeveloperMillionTask, Unipessoal, LdaAnthony Harvey

Customer experience

Reaction Timer Training

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Reaction Lab

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Reaction Timer Training

Subscriptions1
  • Premium Auto Renewable Subs$1.991 Month
2 purchases

Reaction Lab

Subscriptions2
  • React Fast Monthly3 Days trial$1.991 Month
  • React Fast Yearly3 Days trial$4.991 Year

Questions

Is Reaction Timer Training free?
Reaction Timer Training is free to download, with in-app purchases available.
Is Reaction Lab free?
Reaction Lab is free to download, with in-app purchases available.
Which has better reviews, Reaction Timer Training or Reaction Lab?
Reaction Lab is rated higher. Reaction Timer Training averages 2.3 out of 5 from 4 ratings, while Reaction Lab averages 5.0 from 2 ratings.
Do Reaction Timer Training or Reaction Lab have ads?
Reaction Timer Training shows ads; Reaction Lab does not.
Which is updated more often, Reaction Timer Training or Reaction Lab?
Reaction Timer Training ships an update every 3 months, and Reaction Lab every 7 months. Most recently, Reaction Timer Training was updated on October 5, 2026 and Reaction Lab on September 26, 2026.

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