HIIT Dual Timer vs Delta Timer △
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.
Delta Timer △
This interval timer app guides users through various training routines like HIIT and Tabata. It offers customizable workouts with adjustable exercise and rest periods, featuring a minimalist design with light and dark modes for focused training.
- Customizable workout creation
- Adjustable exercise and rest durations
- Minimalist, distraction-free interface
- Light and dark modes
- Supports HIIT, Tabata, EMOM, and circuits
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Delta Timer is a simple yet powerful interval timer built to keep you focused during training. It helps guide your HIIT, Tabata, or any other interval-based workout with ease and precision. Whether it’s HIIT, Tabata, EMOM, strength circuits, or a custom routine, Delta Timer adapts to your rhythm — guiding you through every round. Check some of the Delta Timer features: Customizable workouts: Create and fine-tune your training structure — from quick Tabata bursts to complete circuit sessions. Adjust exercise, rest, warmup, cooldown, and round durations with ease. Minimal and intuitive design: A distraction-free interface that keeps you aware of every phase of your workout, even mid-movement. Light and Dark Modes: Train comfortably anywhere, with a look that adapts to your environment. Free and ad-free: All essential features are available for free. No subscriptions, no clutter.
Screenshots
Verdict
The clearest difference is rating: Delta Timer △ at 5.0 against HIIT Dual Timer's 3.0. HIIT Dual Timer's advantage is update cadence (every 5 days vs every 10 days) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases 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.
Delta Timer △ holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
HIIT Dual Timer ships an update every 5 days, Delta Timer △ every 10 days. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.
| Parameter | HIIT Dual Timer | Delta Timer △ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 1 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | BWorby Works | Thomas Delgado Dias |
In-app purchases
HIIT Dual Timer
No in-app purchases
Delta Timer △
No in-app purchases
