Best RSTR alternatives: apps like RSTR – Set Rest Timer

Ischys Workout Tracker

Gym Strength Log & Rest Timer

Free

This app allows users to quickly log gym sets, build routines, and track personal records entirely on their device. It features a rest timer that continues running even when the app is closed and integrates with Apple Watch for seamless workout management. Data is kept private and local, with options for importing and exporting workout history.

uHoo Business

Your First Step to Clean Air

Free

Monitor and optimize indoor environmental quality for businesses. Track real-time data on air quality, temperature, humidity, and more to enhance health, productivity, and sustainability. Gain insights through comprehensive analytics and manage multiple locations from a user-friendly interface.

RecovaCoach -Strength training

Muscle Recovery & Workout Log

Free

This app tracks workouts and muscle recovery, providing insights into which muscles need rest and when they'll be ready to train again. It offers detailed logging, exercise illustrations, and progress tracking to help users train efficiently and avoid overtraining.

Skulpt: Gym Workout Tracker

Strength Log & Apple Watch

Free

This app helps experienced gym-goers track their strength training workouts with detailed logging, set types, and rest timers. It offers advanced features like supersets, circuits, and progressive overload tracking, all available offline and without any cost.

Calofay: AI Calorie Counter

Macros, Diet, Calorie Tracker

Free

This AI-powered app helps you track meals, calories, macros, water, and exercise. It offers flexible tools for weight loss, muscle gain, or healthier eating, with AI assistance for meal ideas and nutrition questions. Human dietitian support is also available with a subscription.

Gym Diary: Workout Tracker Log

Track gym exercise sets & reps

Free

This app helps you meticulously track every aspect of your gym workouts, from sets and reps to body measurements and nutrition. Plan routines, log exercises, and visualize your progress with detailed graphs to achieve your fitness goals.

InBody hi

by InBody Co., Ltd.

Free

Track your child's developmental progress by comparing their height and weight to peers of the same age and gender. Record growth daily, visualize trends with charts, and capture memories with photos in a dedicated album. Seamlessly syncs with existing InBody account data.