VoltTimer - Workout Timer
CherneyWerk LLC
No ratings yetHealth & FitnessAges 4+
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About this app
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 Multi-exercise circuits with individual timings Audio + haptic phase alerts 5-second end-of-phase countdown warning Adjustable start delay to set up before the clock runs Keeps time and alerts you when your screen is locked Workout history with daily, weekly, and monthly stats Color themes and a polished look in light and dark mode VoltTimer Pro — one-time purchase, no subscription: Unlimited workout presets Circuit training All color themes plus a custom gradient editor Complete workout history Workout Log: record type, duration, intensity, muscle group, and notes — including rest days Simple enough for beginners. Powerful enough for athletes. Terms of Use (EULA): https://cherneywerk.com/volttimer/terms Privacy Policy: https://cherneywerk.com/volttimer/privacy
What's new
Version 2.0.3 · Nov 2, 2026
A big update for VoltTimer. NEW • Workout Log (Pro): record any workout with its type, duration, intensity, muscle group, and notes — weights, cardio, HIIT, yoga, sports, even rest days. • A fresh new look across the whole app, in light and dark mode. • A redesigned timer with a glowing progress ring, tick marks, and a smooth color change between work and rest. IMPROVED • The timer keeps correct time and alerts you for each phase while your screen is locked. • Cleaner history, workouts, and settings screens. • Pro now unlocks automatically if you've already purchased it. FIXED • Restore Purchases no longer gets stuck loading. • Fixed the timer overlapping the controls on smaller iPhones.
In-app purchases
The most popular purchases on the App Store.
- VoltTimer ProConsumable$89.00
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