9+ similar apps compared and reviewed
Whether you want more options like Ballast or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
This app provides a customizable interval timer for various training activities like HIIT and Tabata. Users can build custom workouts with named phases, sounds, and vibrations, and save them as presets that sync across devices. It also supports background operation with screen off.
Optimize your athletic performance with science-backed diagnostics. Monitor your body's readiness for training, identify optimal days for increased load, and prevent overtraining. Achieve your ambitious goals by training smarter, not just harder.
This app uses daily morning measurements of your body's immediate condition via HRV to suggest an optimal activity level. Consistent use refines predictions, revealing long-term trends and personalized exercise recommendations.
