Interval Timer vs VoltTimer
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Interval Timer
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The simple and powerful interval timer for workouts, training, and fitness. Interval Timer โ Workout Timer is a clean, fast and easy-to-use timer app for interval training, HIIT workouts, Tabata sessions, boxing rounds and gym training. Create your workout in seconds: Set work time Set rest time Choose rounds Tap start Perfect for: HIIT training Tabata workouts Boxing and fight rounds Gym training Fitness workouts Home workouts Interval training Core features: Interval timer for workouts HIIT and Tabata presets Boxing and round timer Custom work and rest intervals Simple controls Clear countdown Sound alerts Screen always on Clean and minimal UI Fast performance Battery friendly Why users love it: No complex setup No unnecessary features No cluttered interface Just a fast and reliable workout timer Upgrade to Pro to unlock: Unlimited custom timers HIIT, Tabata and Boxing presets Full background audio support Bluetooth audio support Workout history and stats Custom sounds Countdown voice No ads Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
VoltTimer
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VoltTimer is a clean, no-distractions interval timer built for serious training. Set your work and rest intervals, hit start, and focus โ 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.
Screenshots
Verdict
Interval Timer and VoltTimer are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Interval Timer sells 1 in-app purchase, starting at $4.99 per month and VoltTimer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Interval Timer | VoltTimer |
|---|---|---|
| Price | Free | Free |
| Update frequency | โ | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 โ better | 18.6 |
| Further details โ not scored | ||
| Size | 22 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Mariyan Dechev | CherneyWerk LLC |
In-app purchases
Interval Timer
- PRO$4.991 Month
VoltTimer
- VoltTimer Pro$3.99









