Modern Interval Workout Timer vs VoltTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Modern Interval Workout Timer
This versatile timer supports HIIT, Tabata, circuit training, and combat sports like boxing. Customize visuals, sounds, and presets for a personalized workout experience. Track and replay past sessions with a clean, ad-free interface.
- Interval and regular timer modes
- Customizable themes and sounds
- Large, bold visuals
- Pre-made and saved presets
- Workout log and replay
- Ad-free experience
Read full descriptionHide full description
This workout timer is ideal for your HIIT (high intensity interval training), circuit training, Tabata routines and is compatible with many more sports. For instance it also works perfectly for training or sparring in combat sports or martial arts like boxing, kick boxing, muay thai, MMA and more as it'll keep track of your rounds. Finally, it is also great for all bodyweight exercices, at home or at the gym. The app features a simple yet powerful user interface. You can get started in a second, but if you want to go further you can really make it your own: - Regular timer, interval timer, count down... if you want to time something, the app has you covered! - Many different visual themes. You can even create your own, changing colors, fonts and more. - Personalise all sounds and warnings. - Very large and bold visuals working both in portrait and landscape mode. - Use pre-made timers (boxing rules, Tabata 20/10, HIIT 30/30 and more), or save your own presets. - Keep track of your workouts with a full log of completed trainings. You can even replay them. - Simple and clean interface that works perfectly in light or dark mode. On top of this, the app is ad-free to have a more stable and clutter-less experience.
VoltTimer
Read full descriptionHide full description
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.
Screenshots
Verdict
The clearest difference is update cadence: Modern Interval Workout Timer at every 4 days against VoltTimer's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Modern Interval Workout Timer sells 3 in-app purchases, starting at $0.99 per month and VoltTimer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Modern Interval Workout Timer ships an update every 4 days, VoltTimer every 3 weeks. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.
| Parameter | Modern Interval Workout Timer | VoltTimer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 9 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Marc Gauthier | CherneyWerk LLC |
In-app purchases
Modern Interval Workout Timer
- Premium (monthly subscription)$0.991 Month
- Premium (yearly subscription)$4.991 Year
- Lifetime premium$14.99
VoltTimer
- VoltTimer Pro$3.99
Questions
Is Modern Interval Workout Timer free?
Is VoltTimer free?
Do Modern Interval Workout Timer or VoltTimer have ads?
Which is updated more often, Modern Interval Workout Timer or VoltTimer?
Other comparisons















