Who is Frontier X for?

Frontier X is a consumer product built for fitness enthusiasts and individuals monitoring heart health.

Is Frontier X still maintained?

Unverified. Frontier X has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to Frontier X?

Similar projects tracked by PulseGate include Heartify, Cardiio, and Frontier X.

Who develops Frontier X?

Frontier X is developed by Fourthfrontier, based in the United States.

How long has Frontier X been around?

Frontier X first shipped in 2019.

Back to the index

Frontier X

Name: Frontier X
Author: Fourthfrontier

App StoreHealth & fitness🇺🇸

Frontier X is a companion app for the Frontier X/X2 chest-worn smart heart monitor, providing real-time feedback and detailed insights on heart health, exercise, and sleep. It integrates with Bluetooth devices and HealthKit, offering personalized alerts and weekly goals for users seeking to track and improve their cardiovascular fitness.

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Overview

9 features

Frontier X is a Health & fitness project. It helps users monitor and improve heart health and exercise performance using wearable data. Frontier X is a consumer product aimed at fitness enthusiasts and individuals monitoring heart health. Pricing is paid. It ships for iOS.

Behind Frontier X is Fourthfrontier, based in the United States, and it first shipped in 2019. Key capabilities include heart health tracking, exercise monitoring, and sleep analysis.

Heart health tracking
Exercise monitoring
Sleep analysis
Bluetooth integration
Real-time alerts
HealthKit integration
Weekly goals
Vibration feedback
Activity tagging

Built with & integrations

Runs on

iOS

Trust & compliance

Verified signals

HTTPSStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed29 Jun · 03:56 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about Frontier X

What is Frontier X?: Frontier X helps users monitor and improve heart health and exercise performance using wearable data. It is catalogued under Health & fitness on PulseGate.
Who is Frontier X for?: Frontier X is a consumer product built for fitness enthusiasts and individuals monitoring heart health.
Is Frontier X free?: No — Frontier X is paid.
What platforms does Frontier X run on?: Frontier X runs on iOS.
Is Frontier X still maintained?: Unverified. Frontier X has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to Frontier X?: Similar projects tracked by PulseGate include Heartify, Cardiio, and Frontier X.Heartify Cardiio Frontier X
Who develops Frontier X?: Frontier X is developed by Fourthfrontier, based in the United States.
How long has Frontier X been around?: Frontier X first shipped in 2019.

At a glance

Platforms: Mobile
Languages: English
First seen: 29 Jun 2026
Built for: fitness enthusiasts and individuals monitoring heart health
Model: B2C
Solves: Helps users monitor and improve heart health and exercise performance using wearable data.

Registered as

App Store: 1483444499

Developer

🇺🇸Fourthfrontier

Live coverage

Identity confidence: High · 91.2
Indexed: 29 Jun 2026
Lifecycle: Unverified
First seen: Jun 2026
Last seen: 29 Jun 2026

Identity audit (12)

Slug: frontier-x-apple-com
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 29 Jun 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model from page content.
Last updated: 1 Aug 2026
Canonical URL: https://apps.apple.com/gb/app/frontier-x/id1483444499

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