# Justfit vs InterTimer

The clearest difference is in-app purchases: InterTimer at none against Justfit's 5. InterTimer also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Justfit's advantage is update cadence (every 3 days vs every 27 months). On price, review sentiment and device support there is nothing between them.

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

Justfit ships an update every 3 days, InterTimer every 27 months. The most recent releases landed on November 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Justfit | InterTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/justfit-boxing-interval-timer/id6449503037/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 27 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 116 MB | 34 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ferda Nahit Fidanci](https://appshunter.io/developer/1689464732) | [byeongyun kwon](https://appshunter.io/developer/1709899572) |

## 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 |


### InterTimer

[App page](https://appshunter.io/ios/app/intertimer-interval-timer/id6471410531)

Create custom interval training routines with adjustable exercise and rest periods. Receive voice notifications for round changes and visualize remaining time. Track monthly exercise duration with a graph and get reminders to stay consistent with your fitness goals.

**Highlights:** Customizable exercise and rest slots, Repeatable rounds, Voice notifications for round changes, Visual representation of remaining time, Monthly exercise time graph, Workout reminders

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Justfit free?

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

### Is InterTimer free?

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

### Do Justfit or InterTimer have ads?

Justfit shows ads; InterTimer does not.

### Which is updated more often, Justfit or InterTimer?

Justfit ships an update every 3 days, and InterTimer every 27 months. Most recently, Justfit was updated on November 3, 2026 and InterTimer on October 19, 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.*