Best UBT alternatives: apps like UBT: Ultimate BJJ Timer

GymCade: Gym Workout Tracker

AI Training Plan & Gym Log

Free

This app gamifies your fitness routine by letting you log exercises, sets, and reps. Track your strength and volume over time, progress through levels, and enjoy a retro-inspired experience that makes training feel like a game. It includes a built-in rest timer and iCloud sync for data backup.

Session - Interval Timer

Boxing & HIIT Round Timer

Free

This minimalist timer is designed for focused interval training. Quickly set work, rest, and round durations for boxing, HIIT, and circuit workouts. Stay on track with clear countdowns and audio cues.

Rounds: Interval HIIT Timer

Simple timer built for the gym

Free

This interval timer app simplifies workout creation for various training styles like HIIT, Tabata, and circuits. Build custom routines by stacking work, rest, and prep blocks, grouping them into rounds, and saving them as presets for quick access. It's designed for gym use, ensuring it won't interrupt your music.