Stack: Running Log

Most training apps overwhelm you with comparisons, arbitrary pace targets, AI-generated summaries, and constant recommendations. Stack removes the complexity. What’s left is a clean, focused system that helps you listen to your body and train based on how you actually feel not external metrics. Train Smarter With Less - Track fatigue and form in one simple visual chart - Identify your optimal training zones - Prevent overtraining and undertraining - Build consistent routines that support long-term progress - Judgement free Stack is deliberately simple. When you remove pressure and unnecessary data, your training becomes more intuitive and sustainable. Less is more. Start your 7-day free trial today. Privacy Policy: https://www.stackapp.run/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/