Easy to use
Super easy to use, now I never have to worry about what to do in the gym. I like that I can track the things I do outside of the gym, too!
Free
About
This app teaches you the 'why' behind your workouts, empowering you to make informed decisions about your training. It builds personalized programs based on your preferences and provides insights into your weekly activity to guide your effort.
✓Personalized workout program builder
✓Explanation of exercise rationale
✓Rep-based weight coaching
✓Weekly activity tracking and analysis
✓Extensive exercise library with explanations
✓Focus on understanding and valuing training
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What's New in Sunn Fitness
1.0.8
October 17, 2026
- performance improvements
User reviews
FAQ
What is the main philosophy behind Sunn Fitness?
Sunn Fitness focuses on teaching users the reasoning behind their workouts, empowering them to make their own decisions. The goal is to build confidence and understanding, rather than just following a program.
How does Sunn Fitness help users choose weights?
After each set, Sunn Fitness asks about remaining reps and provides guidance on whether to increase or decrease weight for the next set, based on your performance.
What kind of activity tracking does Sunn Fitness offer?
Sunn Fitness tracks all logged activities, including gym, sports, and yard work, as effort times minutes. It then compares this to your body's usual activity levels to provide insights.
Does Sunn Fitness have a free trial?
Yes, Sunn Fitness offers a 14-day free trial to start. After the trial, it operates on a free model with in-app purchases.
What is the update frequency for Sunn Fitness?
The app was last updated on September 10, 2026, indicating active development. Specific update frequency is not detailed, but recent updates suggest ongoing support.
What devices is Sunn Fitness available on?
Currently, Sunn Fitness is supported on iPhone devices. Compatibility with other platforms may be considered in future updates.
Does Sunn Fitness include social features like leaderboards or feeds?
No, Sunn Fitness intentionally omits features like leaderboards, badges, feeds, target weights, and guilt. It focuses on individual progress and understanding.
How many exercises are included in Sunn Fitness?
Sunn Fitness includes over 300 exercises, with more being added. Each exercise is explained with clear instructions on how to perform it, without assuming prior knowledge.
