# Justfit vs Heidi Workout Timer

The clearest difference is in-app purchases: Heidi Workout Timer at none against Justfit's 5. Heidi Workout Timer also leads on ads (none vs shown) and iOS requirement (12.4 vs 15.0). Justfit's advantage is update cadence (every 3 days vs fortnightly) and device support (4 vs 2). On price, rating and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Justfit against 5.0 for Heidi Workout Timer. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Justfit ships an update every 3 days, Heidi Workout Timer fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Justfit | Heidi Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/justfit-boxing-interval-timer/id6449503037/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/heidi-workout-timer/id6450010213/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 116 MB | 12 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ferda Nahit Fidanci](https://appshunter.io/developer/1689464732) | [HIJO DIGITAL LTD](https://appshunter.io/developer/1691527420) |

## What reviewers say

### 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 |


### Heidi Workout Timer

[App page](https://appshunter.io/ios/app/heidi-workout-timer/id6450010213)

This interval timer helps you manage workout durations for exercises, rest, and recovery. It supports various training styles like HIIT, Pilates, and Yoga, with customizable timers and clear visual cues. The app offers a large display, workout history, and language options.

**Highlights:** Customizable interval timers, Supports HIIT, Pilates, Tabata, Yoga, Sound and vibration alerts, Large, readable display, Workout history tracking, Light and dark mode options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Justfit free?

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

### Is Heidi Workout Timer free?

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

### Which has better reviews, Justfit or Heidi Workout Timer?

Justfit and Heidi Workout Timer are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Justfit or Heidi Workout Timer have ads?

Justfit shows ads; Heidi Workout Timer does not.

### Which is updated more often, Justfit or Heidi Workout Timer?

Justfit ships an update every 3 days, and Heidi Workout Timer fortnightly. Most recently, Justfit was updated on November 3, 2026 and Heidi Workout Timer on October 30, 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.*