# Sensorium vs Reaction Lab

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.

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.

## The numbers

| Metric | Sensorium | Reaction Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sensorium-train-your-senses/id6757092992/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/reaction-lab-reflex-tests/id6757831974/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 16 MB | 22 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Justin Neuman](https://appshunter.io/developer/1859103444) | [Anthony Harvey](https://appshunter.io/developer/1478197285) |

## What reviewers say

### Sensorium

[App page](https://appshunter.io/ios/app/sensorium-train-your-senses/id6757092992)

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.

**Highlights:** Visual discrimination drills, Auditory precision training, Reaction speed enhancement, Motor control exercises, Progress tracking, Real-time ghost mode competition

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade – Lifetime Access | $4.99 | one-time |


### Reaction Lab

[App page](https://appshunter.io/ios/app/reaction-lab-reflex-tests/id6757831974)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| React Fast Monthly | $1.99 | per month |
| React Fast Yearly | $4.99 | per year |


## Frequently asked questions

### Is Sensorium free?

Sensorium 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, Sensorium or Reaction Lab?

Sensorium and Reaction Lab are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Sensorium or Reaction Lab have ads?

Neither Sensorium nor Reaction Lab shows ads.

### Which is updated more often, Sensorium or Reaction Lab?

Sensorium ships an update every 2 months, and Reaction Lab every 7 months. Most recently, Sensorium was updated on October 30, 2026 and Reaction Lab on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*