Sessionly: HIIT Interval Timer

Sessionly

About this app

Sessionly is a simple interval timer built for speed and focus. Use it as a HIIT timer, Tabata timer, workout timer, or study timer — set your work time, rest time, and rounds, then just go.

No clutter. No sign-up. Just a clean, fast interval timer that works exactly when you need it.

KEY FEATURES

⏱ Huge, Readable Timer
Giant countdown numbers with a smooth progress ring — see your time at a glance, even from across the room.

🎯 One Timer for Every Routine
Create custom work/rest intervals for HIIT workouts, Tabata, circuit training, strength training, stretching, Pomodoro study sessions, or any repeating-cycle activity.

🎡 Set It in Seconds
Pick minutes and seconds with a smooth scroll wheel. Choose your number of rounds, tap start, and go.

🔔 Sound & Vibration Alerts
Know exactly when to work and when to rest — without looking at your screen.

📱 Works in the Background
Keep going with your phone locked or screen off — your interval timer keeps running reliably.

🌙 Dark, Distraction-Free Design
Clear colors for work and rest on a near-black background mean less visual noise and more focus on your session.

🚀 No Account Needed
Open the app and start your timer immediately. No sign-up, no login walls.

⚡ Offline-First
No internet connection required. Sessionly works anywhere — at home, at the gym, or outdoors.

PERFECT FOR
• HIIT and Tabata workouts
• Home workouts and circuit training
• Strength training rest periods
• Running and cardio intervals
• Pomodoro study and focus sessions

Completely free. Whether you're a gym-goer, a home-workout beginner, or a student using the Pomodoro technique — Sessionly is the simple interval timer that keeps you focused on what matters.

Download Sessionly and start your first session today.

What’s new

Improved background alerts and stability.