# Reaction RC

> Reaction RC (iPhone/iPad app by Viacheslav Romanenko.)

- Source: https://appshunter.io/ios/app/reaction-rc/id1048447733 (this page in markdown: same URL + `.md`)
- Developer: [Viacheslav Romanenko](https://appshunter.io/developer/1046372418)
- Category: Education, Sports
- Price: $0.99
- Age rating: 4+
- Requires: iOS 12.0 · 9 MB
- Languages: English
- Released: 2015-10-18
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/reaction-rc/id1048447733/reviews.md

## What is Reaction RC?

Testing sensorimotor reaction. Reaction of a choice. 
* This app allows to define ability of the user to choose the corresponding color. The resulting test time demonstrates a reaction of a choice of the user.
* Results of testing. At the choice of 12 attempts the result includes: average value (ms), normality of distribution of the received results according to the Shapiro-Wilk criterion (W). At the choice of 15-30 attempts: average value (ms) and SE (Standard Error).
* This app can be used by athletes and teachers of specialized educational institutions in their scientific research.


## Version history (last 1 release)

### 1.1.8 — 2020-11-08

Bug fixes and stability improvements.

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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 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 2026-06-10.*