# re.flex — Relieve joint pain at home

> At-home joint pain recovery with sensor-guided exercise therapy. (iPhone/iPad app by Kineto Tech Rehab.)

- Source: https://appshunter.io/ios/app/reflex/id1308263322 (this page in markdown: same URL + `.md`)
- Developer: [Kineto Tech Rehab](https://appshunter.io/developer/1308263321)
- Category: Health & Fitness
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 231 MB
- Languages: American English, German (Germany), Romanian
- Released: 2019-04-06
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/reflex/id1308263322/reviews.md

## What is re.flex?

re.flex supports you to actively recover from your joint pain at home. It is aimed in particular at users with osteoarthritis of the knee and hip joints.
The patented sensor technology developed by us specifically for exercise therapy enables the minutely accurate tracking of your movements and provides you with almost latency-free feedback on the quality and quantity of the execution of your movements.

IMPORTANT: To be able to train with re.flex, you need (a) a sensor kit and (b) an activation code.

Health insurance in Germany:
Sensor Kit: You will receive the sensor kit from our German distribution partner. After you create your account in the app, you will receive an order form for the sensor kit via email. 
Activation code: If you have statutory health insurance, you will receive the activation code from your health insurance company. If you are privately insured, you will get the unlock code from our distribution partner.

NO health insurance in Germany:
Contact us at info@reflex.help to find out how to get the sensor kit and activation code.

re.flex at a glance

- Medically validated - The exercise programs have been developed in cooperation with the most renowned universities in sports medicine. They are based on the current state of the art in physical therapy as well as current study-based guidelines to ensure you the highest possible quality standard.

- Proven exercises - The exercise programs include simple exercises to improve your strength, flexibility and motor skills as well as reduce your joint pain.
Personal Exercise Assistant - With re.flex, you get a personal digital exercise assistant that interactively guides you through the exercises with clear instructions.

- Objective measurement of movement - Using movement sensors, re.flex is able to give you immediate live feedback on whether you are performing the exercise correctly or incorrectly. You receive both acoustic and visual feedback in 3D.

- 3D Visual Feedback - 3D visual feedback gives you detailed information about your own movement in space and clear instructions on how to perform the exercise.

- Audible Feedback - Audible feedback allows you to perform your exercises "hands-off" if you already know how to do the exercise.

- Positive behavioral correction - Correct behavior is positively reinforced, and incorrect behavior is given specific instructions on how to perform the exercise correctly.

- Detailed training reports - re.flex provides you detailed graphical reports on various aspects of your training. For example, you can track the progress of your training fidelity, the development of pain and also qualitative metrics such as the execution accuracy of your exercises. Thus, the training report provides both you and the doctor (in case you want to share your report with your doctor) with objective transparency about your training progress.

- Flexible training time - re.flex allows you to choose the time and place of your training week. If you miss a workout, you will be reminded automatically. Missed workouts can be made up on break days to prevent both under- and overtraining.

- Flexible training routine - If the patient is unable to perform an exercise, the workout program always provides alternative exercises, or the option to skip the exercise if necessary.

Health insured in Germany:
Mail: digital@sporlastic.de
Tel: +49 7022 705 181
Business hours: Monday to Thursday 8:00 – 17:00 and Friday 8:00 – 16:00

Not health insured in Germany:
Web: www.reflex.help
Mail: info@reflex.help

## Key features

- Medically validated exercise programs
- Patented sensor technology for movement tracking
- Real-time acoustic and 3D visual feedback
- Personalized digital exercise assistant
- Detailed training and progress reports
- Flexible training scheduling


## Frequently asked questions about re.flex

### What is re.flex?

re.flex is a Health & Fitness app designed to help users actively recover from joint pain at home. It utilizes patented sensor technology to track movements and provide feedback on exercise execution, specifically targeting users with knee and hip osteoarthritis.

### How does re.flex track movements?

re.flex uses patented sensor technology to minutely track your movements during exercise therapy. This allows for almost latency-free feedback on the quality and quantity of your exercise execution, displayed in 3D.

### What kind of exercises are included in re.flex?

The exercise programs in re.flex have been developed in cooperation with sports medicine universities and are based on current physical therapy guidelines. They include simple exercises aimed at improving strength, flexibility, motor skills, and reducing joint pain.

### Can I share my progress with my doctor?

Yes, re.flex provides detailed graphical reports on various aspects of your training, including fidelity, pain development, and execution accuracy. These reports can be shared with your doctor to provide objective transparency about your training progress.

### Is re.flex medically validated?

Yes, re.flex is medically validated. The exercise programs have been developed in cooperation with renowned universities in sports medicine and are based on the current state of the art in physical therapy.

### What devices does re.flex support?

re.flex is available for iPhone, iPad, and iPod. It is designed for users who want to manage their joint pain and recovery from home.

### How often is re.flex updated?

The latest version of re.flex is 1.1.99, which was last updated on March 18, 2026. This indicates a commitment to ongoing development and improvements for the application.

### What is the user sentiment for re.flex?

Based on the available data, re.flex has a very high user sentiment, indicated by a rating of 5.0 stars from 1 rating. This suggests that users who have reviewed the app have had an overwhelmingly positive experience.

## Version history (last 5 releases)

### 1.1.99 — 2026-03-18

We fixed some bugs and improved the user experience.

### 1.1.98 — 2026-03-14

We fixed some bugs related to the new iOS26.

### 1.1.97 — 2024-08-22

We fixed some bugs and improved the user experience.

### 1.1.96 — 2024-08-19

We have added the option to change the training level so that the user can increase or decrease the number of repetitions per exercise for certain training plans.

### 1.1.95 — 2024-07-08

We added a feature for a timed assessment for a pilot study. We also fixed some localization typos and updated the training leg appearance.

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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 2026-07-07.*