HIIT Dual Timer vs Custom Interval Timers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HIIT Dual Timer
This interval timer allows you to set custom durations for work and rest periods, and then repeat them for a specified number of rounds. It's designed for high-intensity interval training and other timed activities.
- Customizable work intervals
- Customizable rest intervals
- Set number of rounds
- Simple start and go functionality
- Ideal for HIIT workouts
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Want to do a workout for 30 seconds, and then rest for 15 seconds and repeat? This is the dual timer you have been looking for. It can be used for many different things. Set your first timers seconds and minutes. Second timers seconds and minutes. Finally set the number of "rounds" or times the two timers run. then just press go.. and do your thing.
Custom Interval Timers
Design personalized interval timers for workouts or productivity. Its intuitive editor allows for custom flows with various settings like countdowns and personalized interfaces. Offers light/dark modes and an option to disable ads.
- Customizable interval flows
- Intuitive timer editor
- Count up or down timers
- Personalized running interface
- Light/dark mode
- Ad-free option
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Create highly customizable interval timers in a beautiful Interface. Interval timers are useful for exercise, like High-intensity interval training (HIIT) or Tabata, and can also be used to manage productivity, events, and more! This app provides a fascinatingly simple and intuitive editor for setting up your own custom timers. With just a few building blocks you can create the exact experience you want. Multiple settings to match your preferences: - Count up or down - Personalize the running interface to show what matters to you - Light/dark mode - Disable ads for free!
Screenshots
Verdict
The clearest difference is review sentiment: Custom Interval Timers at 100% against HIIT Dual Timer's 0%. Custom Interval Timers also leads on rating (5.0 vs 3.0) and ratings volume (14 vs 1). HIIT Dual Timer's advantage is ads (none vs shown) and update cadence (every 5 days vs every 4 months). On price, 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. Neither carries in-app purchases, so what you see is what you pay.
Custom Interval Timers holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Custom Interval Timers has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of HIIT Dual Timer's written reviews are positive against 100% of Custom Interval Timers's.
HIIT Dual Timer ships an update every 5 days, Custom Interval Timers every 4 months. The most recent releases landed on June 3, 2026 and August 24, 2026 respectively.
| Parameter | HIIT Dual Timer | Custom Interval Timers |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 5.0 (14 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 14 — better |
| Update frequency | Every 5 days — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 1 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | BWorby Works | Alex Rich |
Customer experience
HIIT Dual Timer
Custom Interval Timers
In-app purchases
HIIT Dual Timer
No in-app purchases
Custom Interval Timers
No in-app purchases
