Lief App

BrainBot, Inc. Health & Fitness iPhoneiPadiPod touch

Lief App is a free Health & Fitness app for iPhone and iPad by BrainBot, Inc. Rated 4.0/5 from 2 ratings. Requires iOS 13.0. Updated September 28, 2026.

Rating: 4.0; 2 ratings
Price: Free; on the App Store
Size: 80 MB; Age 4+
Updated: Sep 28; 2026 · v14.5

Download on theApp Store See alternatives

Screenshots

About Lief App

Lief is a discreet, clinically-accurate smart-patch that measures your heart rate and heart rate variability. It trains you to control your body’s natural stress response through guided, gentle, and safe biofeedback exercises. Lief’s on-demand stress relief intervention is a 100% drug-free solution to improve your health and to remain mindful and in control throughout your day.

What’s new

Version 14.5 · Updated September 28, 2026

Performance and reliability improvements.

App privacy

The developer, BrainBot, Inc., reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

Health & Fitness: Fitness
Contact Info: Email Address, Name
Usage Data: Product Interaction
Diagnostics: Crash Data, Performance Data

Used for: App Functionality

App details

Lief App is a free Health & Fitness app for iPhone, iPad and iPod touch, developed by BrainBot, Inc. It is rated 4.0 out of 5 from 2 ratings on the App Store, requires iOS 13.0 or later and is 80 MB to download. It was first released on September 28, 2017 and last updated on September 28, 2026.

Category: Health & Fitness
Rating: 4.0 / 5 (2 ratings)
Price: Free
Version: 14.5
Size: 80 MB
Requires: iOS 13.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: September 28, 2017
Last updated: September 28, 2026
Developer: BrainBot, Inc.

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Alternatives to Lief App

Looking for apps like Lief App? Here are 6 similar apps on the App Store. The highest rated is Allos: Breath Pacer (5.0/5), and all 6 are free to download.

Lief App vs. alternatives
App	Rating	Price	Last updated	Compare
Lief App	4.0 / 5 (2 ratings)	Free	September 28, 2026
Yudemon HRV	4.5 / 5 (13)	Free	Oct 16, 2026	Compare
Optimal HRV: Biofeedback	3.0 / 5 (24)	Free	Sep 19, 2026	Compare
Meo Health	4.8 / 5 (24)	Free	Oct 13, 2026	Compare
Allos: Breath Pacer	5.0 / 5 (4)	Free	Oct 10, 2026	Compare
Flowtime: Meditation & Relax	4.3 / 5 (203)	Free	May 12, 2025	Compare
Somnee	3.6 / 5 (71)	Free	Jul 27, 2026	Compare

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