# Sensorimotor Reactions

> Sensorimotor Reactions (iPhone/iPad app by Viacheslav Romanenko.)

- Source: https://appshunter.io/ios/app/sensorimotor-reactions/id1547238786 (this page in markdown: same URL + `.md`)
- Developer: [Viacheslav Romanenko](https://appshunter.io/developer/1046372418)
- Category: Education, Sports
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 14.0 · 2 MB
- Languages: English, Russian, Ukrainian
- Released: 2021-02-16
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/sensorimotor-reactions/id1547238786/reviews.md

## What is Sensorimotor Reactions?

A set of tests for assessing sensorimotor reactions (simple visual-motor and hearing-motor reactions, choice reaction, reaction to a moving object, sense of pace, discrimination reaction). The application is intended for athletes, coaches and anyone who is interested in the features of the manifestation of sensorimotor reactions in various activities.
Test 1. Evaluation of a simple sensorimotor reaction.
This test allows you to determine the time of a simple visual-motor and auditory-motor reaction of the user.
Test 2. Evaluation of the choice reaction.
This test allows you to determine the reaction time of a user's choice. It is necessary to quickly select the appropriate color (the color of the central circle) from the five offered.
Test 3. Evaluation of reaction to a moving object.
This test allows you to determine the user's reaction time to a moving object. Press "Stop" at the moment when the center of the cross is on the vertical line.
Test 4. Evaluation of the sense of pace.
This test allows for high susceptibility to a given tempo. Read the given tempo and repeat it by touching the screen.
Test 5. Evaluation of the distinction reaction  (Go/No-go). This test allows you to evaluate the speed of recognition of a "false-true" visual signal.

Methodology.
When performing the test in the '12' mode (express mode), the top 10 values ​​are counted. The obtained values ​​are checked according to the instructions according to the normal distribution law (W - Shapiro-Wilk test). If the condition W > 0.84 is met, you will be prompted to save the result, if necessary, you must pass the test with the beginning. When performing a test in other modes, the mean value of the standard deviation are calculated, taking into account all values.

WARNING: NOT FOR MEDICAL USE.
The 'Sensorimotor Reactions' app does not diagnose diseases and does not make recommendations that relate to human health. If the accuracy of measuring sensorimotor responses is critical to your health, see your doctor. The sensorimotor response scores are for informational and educational purposes only.

You can leave your suggestions and comments at:
siosapplications@gmail.com

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Data management | $1.99 | one-time |



## Version history (last 5 releases)

### 1.1.3 — 2024-02-07

Some bugs were fixed.

### 1.1.2 — 2024-01-09

Some bugs were fixed.

### 1.1.1 — 2023-08-12

Some bugs were fixed.

### 1.1.0 — 2023-05-01

Some bugs were fixed.

### 1.0.9 — 2023-01-10

Fixed some bugs.

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## More apps by Viacheslav Romanenko

- [Reaction SM](https://appshunter.io/ios/app/reaction-sm/id1046372419)
- [Reaction SR](https://appshunter.io/ios/app/reaction-sr/id1047244230)
- [Reaction RC](https://appshunter.io/ios/app/reaction-rc/id1048447733)
- [Reaction RMO](https://appshunter.io/ios/app/reaction-rmo/id1049901807)
- [Reaction RD](https://appshunter.io/ios/app/reaction-rd/id1050398610)
- [Reaction CDO](https://appshunter.io/ios/app/reaction-cdo/id1051308948)

All apps by Viacheslav Romanenko: https://appshunter.io/developer/1046372418

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*