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Screenshots

  • GSF screenshot 1
  • GSF screenshot 2
  • GSF screenshot 3
  • GSF screenshot 4

About GSF

The official Gain & Sustain Fitness online coaching app. Everything you need under one roof. * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

What’s new

Version 2.7.1 · Updated June 16, 2025

Reply faster with swipe-to-reply. Check-ins, workouts, and food logs are smoother than ever. This one’s all about better flow.

App privacy

The developer, Connor Cumberpatch, 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

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