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Cubex Fitness: AI Coach
250+ workout programs, live heart rate — free, no ads, ever
Cubex Fitness — your AI workout coach. 250+ AI-balanced programs, 300 exercises, live heart rate, and super-sets for every goal, age, and level. Free on iOS and Android.
Hey Product Hunt 👋
I'm a former professional athlete and amateur boxer who got tired of fitness apps that promise miracles and then lock everything real behind a paywall. So I built the app I actually wanted to train with — and made one promise to myself: everything included, everything free, no ads, forever.
What's inside Cubex Fitness:
• 250+ structured workout programs (810 workout days) designed and balanced with AI — for every goal, age, and level
• Live heart rate right on the workout screen (Apple Health / Health Connect, works with Galaxy Watch)
• A real session engine: super-sets, per-exercise rest timers, live calories
• Full journal, custom charts, goals, body measurements
• 100% offline, no account — your data never leaves your device (App Store privacy label: "Data Not Collected")
I built it solo in Kotlin Multiplatform — one codebase, both stores.
What's next: a real-time conversational AI video coach that leads entire workouts (in development). The base app stays free forever — that's the whole point.
I'd genuinely love your feedback — especially from people who *don't* usually use fitness apps. What would make you actually try one? 🐹
The heart rate tracking during supersets actually pushed me harder than I expected. The program library feels overwhelming at first, but I found one for my goals pretty quickly.
About Cubex Fitness: AI Coach on Product Hunt
“250+ workout programs, live heart rate — free, no ads, ever”
Cubex Fitness: AI Coach was submitted on Product Hunt and earned 0 upvotes and 2 comments, placing #154 on the daily leaderboard. Cubex Fitness — your AI workout coach. 250+ AI-balanced programs, 300 exercises, live heart rate, and super-sets for every goal, age, and level. Free on iOS and Android.
Cubex Fitness: AI Coach was featured in Android (57.4k followers), iOS (110.6k followers) and Fitness (1.8k followers) on Product Hunt. Together, these topics include over 84.9k products, making this a competitive space to launch in.
Who hunted Cubex Fitness: AI Coach?
Cubex Fitness: AI Coach was hunted by Cubex Fitness. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Cubex Fitness