Whether you want more options like IntervalSmith or a completely different take on the same concept, our curated list of 7+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Achieve peak fitness with high-intensity interval training (HIIT) routines designed for busy schedules. Workouts are short, effective, and require minimal equipment, fitting into just 12 minutes a day. Access a vast library of exercises with video demonstrations and customizable options.
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This app provides a customizable timer for high-intensity interval training (HIIT), Tabata, and other workout styles. It offers clear visual cues and sound notifications to guide users through work and rest periods, allowing them to focus on their exercise. Users can save routines, set reminders, and integrate with music playback.
What We Love
👍 Easy to use
👍 Great timer functionality
👍 Can program intervals (warmup, activity, rest, cool down)
👍 Supports many rounds (up to 100)
👍 Ability to save workouts
👍 No annoying AI voice, uses whistles
🚀 Works in the background
👍 Customizable beep sounds
👍 Can save multiple timers
👍 No bugs reported by some users
👍 Works well for short workouts
👍 Does not charge for basic features
👍 No intrusive ads or premium begging
👍 Good value for paid features (no ads, custom sounds)
👍 Excellent interval timer
👍 Perfect for various workout routines
Room to Improve
💰 App became paid unexpectedly
💰 Premium required to start timer
💡 Round cap limits functionality for high rep activities
💡 Needs more than 30 intervals for some routines (e.g., stretching)
💡 Lacks a background click feature (e.g., every second)
💡 Limited sound options
🐛 Adverts still present after paying to remove them
🐛 Awful standard exhale sound for rest (creepy sex comparison)
