TrueZone

Driftline Analytics Health & Fitness iPhoneiPadiPod touch

TrueZone is a free Health & Fitness app for iPhone and iPad by Driftline Analytics. Requires iOS 14.0. Updated March 6, 2025.

Price: Free; on the App Store
Size: 72 MB; Age 4+
Updated: Mar 6; 2025 · v2.1.7

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Screenshots

About TrueZone

The future of fitness testing. TrueZone offers quick-and-easy, gold-standard fitness testing for coaches or individuals, requiring only a heart rate monitor.

What’s new

Version 2.1.7 · Updated March 6, 2025

Updated race time predictions, improved intro and a few UI tweaks.

App privacy

The developer, Driftline Analytics, 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:

Contact Info: Email Address, Name

Used for: App Functionality

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:

Location: Coarse Location
Usage Data: Product Interaction, Other Usage Data
Diagnostics: Crash Data, Performance Data, Other Diagnostic Data

Used for: Analytics, App Functionality

App details

TrueZone is a free Health & Fitness app for iPhone, iPad and iPod touch, developed by Driftline Analytics. It requires iOS 14.0 or later and is 72 MB to download. It was first released on October 16, 2023 and last updated on March 6, 2025.

Category: Health & Fitness
Price: Free
Version: 2.1.7
Size: 72 MB
Requires: iOS 14.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: October 16, 2023
Last updated: March 6, 2025
Developer: Driftline Analytics

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Alternatives to TrueZone

Looking for apps like TrueZone? Here are 6 similar apps on the App Store. The highest rated is Ojas Fitness (5.0/5), and all 6 are free to download.

TrueZone vs. alternatives
App	Rating	Price	Last updated	Compare
TrueZone	–	Free	March 6, 2025
Ojas Fitness	5.0 / 5 (1)	Free	Oct 3, 2026	Compare
Kairis: Circadian Protocols	5.0 / 5 (1)	Free	Oct 21, 2026	Compare
Blue Mood Tracker	–	Free	Oct 1, 2026	Compare
Lepo: Readiness & Recovery	–	Free	Oct 25, 2026	Compare
Grove: Recovery, HRV & Strain	5.0 / 5 (2)	Free	May 29, 2026	Compare
Celoras Health	–	Free	Dec 12, 2025	Compare

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