Comparison

EyeFit 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

EyeFit

Enhance your visual capabilities with targeted exercises designed to improve peripheral vision, reaction time, and overall visual awareness. Track your progress with detailed statistics and unlock advanced features for a comprehensive training experience.

Highlights
  • Peripheral vision training
  • Multiple tracking modes
  • Reaction time improvement
  • Progress tracking and statistics
  • Simulated driving scenarios
  • Memory and recall exercises
Features
Read full description

Train your peripheral vision and unlock your full visual potential with EyeFit - the comprehensive vision training app designed for athletes, gamers, drivers, and anyone looking to enhance their visual performance. WHY TRAIN YOUR PERIPHERAL VISION? Your peripheral vision is crucial for sports performance, safe driving, gaming reactions, and everyday awareness. EyeFit offers targeted exercises to expand your visual field and sharpen your responses. TRAINING MODES • Tracking - Follow moving objects while maintaining central focus • Multi-Object Tracking (MOT) - Track multiple targets simultaneously • Peripheral Recall - Memorize and recall peripheral stimuli • Number Grid - Find numbers quickly using peripheral scanning • Flash Recognition - Identify briefly appearing shapes and symbols • Road Focus - Simulate driving while observing peripheral events TRACK YOUR PROGRESS • View detailed statistics for accuracy and reaction time • Monitor weekly streaks and session history • See performance trends by training mode • All data stored privately on your device PREMIUM FEATURES • Unlimited training sessions • Access to all training modes • Advanced difficulty settings Perfect for athletes, esports players, drivers, pilots, and anyone wanting to improve their visual awareness and reaction speed. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

EyeFit4 screens
Reaction Lab4 screens

Verdict

The call

The clearest difference is ads: Reaction Lab at none against EyeFit's shown. EyeFit's advantage is update cadence (every 3 weeks vs every 7 months) and ratings volume (7 vs 2). On price, rating, 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. EyeFit sells 3 in-app purchases, starting at $1.99 per 7 days 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

On the App Store both sit at effectively the same score — 5.0 for EyeFit against 5.0 for Reaction Lab. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

UpkeepUpdate frequency

EyeFit ships an update every 3 weeks, Reaction Lab every 7 months. The most recent releases landed on October 30, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 6 level
EyeFit versus Reaction Lab: the parameters behind the verdict, then further details
ParameterEyeFitReaction Lab
PriceFreeFree
Rating5.0 (7 ratings)5.0 (2 ratings)
Number of ratings7 — better2
Update frequencyEvery 3 weeks — betterEvery 7 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better18.0
Further details — not scored
Size23 MB22 MB
Age rating12+4+
DeveloperFurkan YesilogluAnthony Harvey

Customer experience

EyeFit

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Reaction Lab

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

In-app purchases

3 purchases

EyeFit

Subscriptions3
  • Weekly Pro memberstip$1.997 Days
  • Monthly Subscription$3.991 Month
  • Annual Subscription3 Days trial$19.991 Year
2 purchases

Reaction Lab

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

Questions

Is EyeFit free?
EyeFit 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, EyeFit or Reaction Lab?
EyeFit and Reaction Lab are both rated 5.0 out of 5 on the App Store, from 7 and 2 ratings respectively.
Do EyeFit or Reaction Lab have ads?
EyeFit shows ads; Reaction Lab does not.
Which is updated more often, EyeFit or Reaction Lab?
EyeFit ships an update every 3 weeks, and Reaction Lab every 7 months. Most recently, EyeFit was updated on October 30, 2026 and Reaction Lab on October 12, 2026.

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