# HIIT Timer vs Justfit

The clearest difference is review sentiment: Justfit at 100% against HIIT Timer's 25%. Justfit also leads on rating (5.0 vs 3.0) and update cadence (every 3 days vs every 2 months). HIIT Timer's advantage is in-app purchases (none vs 5). On price, ratings volume and ads there is nothing between them.

Both are free to download. Justfit sells 5 in-app purchases, starting at $2.99 per month. HIIT Timer asks for nothing beyond the download.

Justfit holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 25% of HIIT Timer's written reviews are positive against 100% of Justfit's.

HIIT Timer ships an update every 2 months, Justfit every 3 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | HIIT Timer | Justfit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/hiit-timer/id1574999662/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/justfit-boxing-interval-timer/id6449503037/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 9 MB | 116 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Vividly Technologies Inc.](https://appshunter.io/developer/1574999664) | [Ferda Nahit Fidanci](https://appshunter.io/developer/1689464732) |

## What reviewers say

### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer/id1574999662)

This interval timer is designed for High Intensity Interval Training (HIIT), warm-ups, and stretches. Easily configure workout, rest, and ready times, along with the number of rounds. The app remembers your settings for future use and offers a dark mode option.

**Highlights:** Customizable workout and rest intervals, Configurable number of rounds, Pre-workout 'Get Ready' time, Alarm notification before interval end, Dark mode option, Remembers previous settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Justfit

[App page](https://appshunter.io/ios/app/justfit-boxing-interval-timer/id6449503037)

This interval timer app allows users to create custom workout routines like Tabata, HIIT, or boxing circuits with customizable intervals and voice announcements. It offers background operation, Apple Watch integration, and detailed workout history.

**Highlights:** Unlimited custom intervals, sets, and rest periods, Voice announcements and countdowns, Background operation with large display, Apple Watch app and Lock Screen Live Activity, Workout history and weekly insights, Widgets and Siri integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $14.99 | per year |
| Justfit Pro Annual | $14.99 | per year |
| Justfit Pro Lifetime | $22.99 | one-time |
| Lifetime access | $29.99 | one-time |


## Frequently asked questions

### Is HIIT Timer free?

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

### Is Justfit free?

Justfit is free to download, with in-app purchases available.

### Which has better reviews, HIIT Timer or Justfit?

Justfit is rated higher. HIIT Timer averages 3.0 out of 5 from 2 ratings, while Justfit averages 5.0 from 1 ratings.

### Do HIIT Timer or Justfit have ads?

Both HIIT Timer and Justfit show ads.

### Which is updated more often, HIIT Timer or Justfit?

HIIT Timer ships an update every 2 months, and Justfit every 3 days. Most recently, HIIT Timer was updated on November 3, 2026 and Justfit on November 3, 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.*