VoltTimer vs Ntrval Timer

VoltTimer is a clean, no-distractions interval timer built for serious training. Set your work and rest intervals, hit start, and focus — VoltTimer handles the rest. Built for every training style: HIIT, Tabata, and circuit workouts Strength training with custom rest timers Custom presets for your go-to routines Features: Customizable work & rest intervals Audio + haptic phase alerts 5-second end-of-phase countdown warning Adjustable start delay to set up before the clock runs Color themes to match your style Simple enough for beginners. Powerful enough for athletes.

Ntrval is an interval timer built for how people actually train — fast to set up, clear to read across the room, and flexible enough for everything from a quick Tabata to a full coached session. Design a timer in seconds: set your work and rest intervals, rounds, colors, and sound cues, then hit start. Or build a complete workout from your own exercises and let Ntrval generate the timing for you. CUSTOM INTERVAL TIMERS • Work and rest intervals, rounds, and structure your way • Per-interval names, colors, and sound cues • A big, glanceable display you can read mid-set • Countdown beeps, transition cues, and vibration WORKOUT BUILDER • Build sessions from stations and exercises • Warm-ups and finishers • Timing generated automatically from your workout • Save workouts as reusable templates EXERCISE LIBRARY • Keep your movements, equipment, and notes in one place • Attach video links for form reference PLAN YOUR WEEK • Schedule timers and workouts on a calendar • Keep your training organized from anywhere RUN IT ON THE BIG SCREEN • A clean, full-screen TV display mode — AirPlay or screen-mirror to a TV for gyms, studios, and group classes ALSO INCLUDED • Stopwatch and alarms • Works offline — your timer runs even without a connection • No ads. No tracking. Whether you train at home, coach clients, or program classes for a studio, Ntrval keeps the timer out of your way so you can focus on the work. — PLANS Ntrval is free for core interval timers, stopwatch, and alarms. Optional annual subscriptions unlock more: • Basic — $19.99/year: the training calendar • Pro — $39.99/year: the workout builder, exercise library, templates, and sharing • Business — $79.99/year: everything in Pro, plus the commercial Display Board for gym TVs Subscriptions are auto-renewable. Payment is charged to your Apple Account at confirmation of purchase. Your subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours prior to the end of the period. You can manage or cancel in your Apple Account settings after purchase. Terms of Service: https://www.ntrvaltimer.com/terms Privacy Policy: https://www.ntrvaltimer.com/privacy