# HIIT Dual Timer vs Delta Timer △

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.

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.

## The numbers

| Metric | HIIT Dual Timer | Delta Timer △ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/hiit-dual-timer/id1505262060/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/delta-timer/id6748762829/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | Free | Free |
| Size | 1 MB | 12 MB |
| Requires iOS | **13.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BWorby Works](https://appshunter.io/developer/546372907) | [Thomas Delgado Dias](https://appshunter.io/developer/944281589) |

## What reviewers say

### HIIT Dual Timer

[App page](https://appshunter.io/ios/app/hiit-dual-timer/id1505262060)

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.

**Highlights:** Customizable work intervals, Customizable rest intervals, Set number of rounds, Simple start and go functionality, Ideal for HIIT workouts

**Features:** macOS Compatibility

**In-app purchases:** none


### Delta Timer △

[App page](https://appshunter.io/ios/app/delta-timer/id6748762829)

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.

**Highlights:** Customizable workout creation, Adjustable exercise and rest durations, Minimalist, distraction-free interface, Light and dark modes, Supports HIIT, Tabata, EMOM, and circuits

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HIIT Dual Timer free?

HIIT Dual Timer is free to download, with no in-app purchases.

### Is Delta Timer △ free?

Delta Timer △ is free to download, with no in-app purchases.

### Which has better reviews, HIIT Dual Timer or Delta Timer △?

Delta Timer △ is rated higher. HIIT Dual Timer averages 3.0 out of 5 from 1 ratings, while Delta Timer △ averages 5.0 from 1 ratings.

### Do HIIT Dual Timer or Delta Timer △ have ads?

Neither HIIT Dual Timer nor Delta Timer △ shows ads.

### Which is updated more often, HIIT Dual Timer or Delta Timer △?

HIIT Dual Timer ships an update every 5 days, and Delta Timer △ every 10 days. Most recently, HIIT Dual Timer was updated on September 29, 2026 and Delta Timer △ on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*