CR Companion by Modus Health

Modus Health LLC Health & Fitness iPhoneiPadiPod touch

CR Companion by Modus Health is a free Health & Fitness app for iPhone and iPad by Modus Health LLC. Rated 4.5/5 from 4 ratings. Requires iOS 13.0.

Rating: 4.5; 4 ratings
Price: Free; on the App Store
Size: 8 MB; Age 17+
Updated: Feb 22; 2026 · v2.0.3

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About CR Companion by Modus Health

This is the participant app for clinical trials using the Modus Health CR app and cloud software system. The CR Companion app automatically uploads the participant’s StepWatch walking data to the cloud without any action required by the participant. If you’re looking for the CR Site app for use by site staff, search for "CR Site by Modus Health"

What’s new

Version 2.0.3 · Updated February 22, 2026

- Compatible with CR Site 3.0.3 - Fixed battery level update issue in single app mode - An additional upload indicator during the overnight upload to assist Modus Health if support is required

App privacy

The developer, Modus Health LLC, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

Health & Fitness: Health
Identifiers: User ID, Device ID
Usage Data: Product Interaction
Diagnostics: Performance Data, Other Diagnostic Data

Used for: App Functionality

App details

CR Companion by Modus Health is a free Health & Fitness app for iPhone, iPad and iPod touch, developed by Modus Health LLC. It is rated 4.5 out of 5 from 4 ratings on the App Store, requires iOS 13.0 or later and is 8 MB to download. It was first released on August 11, 2019 and last updated on February 22, 2026.

Category: Health & Fitness
Rating: 4.5 / 5 (4 ratings)
Price: Free
Version: 2.0.3
Size: 8 MB
Requires: iOS 13.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 17+
Released: August 11, 2019
Last updated: February 22, 2026
Developer: Modus Health LLC

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Alternatives to CR Companion by Modus Health

Looking for apps like CR Companion by Modus Health? Here are 6 similar apps on the App Store. The highest rated is BeSeen Fitness (5.0/5), and all 6 are free to download.

CR Companion by Modus Health vs. alternatives
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