Sensorium vs Reaction Lab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sensorium
Enhance your senses with daily micro-drills designed to sharpen visual discrimination, auditory precision, reaction speed, and motor control. Track your progress visually and compete with yourself in real-time.
- Visual discrimination drills
- Auditory precision training
- Reaction speed enhancement
- Motor control exercises
- Progress tracking
- Real-time ghost mode competition
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Modern life is sensory deprivation. Screens flatten vision. Headphones collapse sound. You're running at maybe 10% of your nervous system's capacity. Sensorium fixes that. Daily micro-drills. Immediate feedback. Visible progress. 60 seconds a day to sharpen what's gone dull. TRAIN: - Visual discrimination — catch fading targets and shifting hues - Auditory precision — detect frequencies at the edge of hearing - Reaction speed — respond faster under pressure - Motor control — precision with simulated hand tremor TRACK: Your Sensory Radar maps progress across multiple axes. Watch it grow. COMPETE: Ghost Mode lets Pro users race their personal best in real-time. Green means you're ahead. Red means your ghost is winning. FREE: - One activation per day - Three core drills - Streak tracking PRO ($4.99 one-time): - Unlimited training - Full drill library - 8-axis Sensory Radar - Ghost Mode - Choose your focus No subscriptions. No ads. No data collection. Not meditation. Not relaxation. Intensification. Turn your volume to 11.
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.
- 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
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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
Verdict
The clearest difference is update cadence: Sensorium at every 2 months against Reaction Lab's every 7 months. Sensorium also leads on iOS requirement (15.6 vs 18.0). On price, rating, ratings volume and ads 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. Sensorium sells 1 one-off in-app purchase 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.
On the App Store both sit at effectively the same score — 5.0 for Sensorium against 5.0 for Reaction Lab. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Sensorium ships an update every 2 months, Reaction Lab every 7 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Sensorium | Reaction Lab |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 16 MB | 22 MB |
| Age rating | 17+ | 4+ |
| Developer | Justin Neuman | Anthony Harvey |
In-app purchases
Sensorium
- Pro Upgrade – Lifetime Access$4.99
Reaction Lab
- React Fast Monthly3 Days trial$1.991 Month
- React Fast Yearly3 Days trial$4.991 Year
Questions
Is Sensorium free?
Is Reaction Lab free?
Which has better reviews, Sensorium or Reaction Lab?
Do Sensorium or Reaction Lab have ads?
Which is updated more often, Sensorium or Reaction Lab?
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