# Justfit vs Overtone

The clearest difference is ads: Overtone at none against Justfit's shown. Justfit's advantage is update cadence (every 3 days vs every 8 days) and device support (4 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Justfit sells 5 in-app purchases, starting at $2.99 per month and Overtone sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Justfit ships an update every 3 days, Overtone every 8 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Justfit | Overtone |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | Free with in-app purchases | — |
| Size | 116 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ferda Nahit Fidanci](https://appshunter.io/developer/1689464732) | [MATTHEW KA YEUNG KWAN](https://appshunter.io/developer/6779037537) |

## 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 |


### Overtone

[App page](https://appshunter.io/ios/app/overtone-hiit-interval-timer/id6808705871)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-day Trial | Free | one-time |
| Full Unlock | $0.99 | one-time |


## Frequently asked questions

### Is Justfit free?

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

### Is Overtone free?

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

### Do Justfit or Overtone have ads?

Justfit shows ads; Overtone does not.

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

Justfit ships an update every 3 days, and Overtone every 8 days. Most recently, Justfit was updated on October 30, 2026 and Overtone on October 24, 2026.

---

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