# Interval Timer Plus vs Justfit

The clearest difference is ads: Interval Timer Plus at none against Justfit's shown. Interval Timer Plus also leads on ratings volume (6.4K vs 1). Justfit's advantage is update cadence (every 3 days vs every 2 months). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Interval Timer Plus sells 1 one-off in-app purchase and Justfit sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Interval Timer Plus against 5.0 for Justfit. That said, the two scores are not equally well evidenced: Interval Timer Plus has 6.4K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 95% of Interval Timer Plus's written reviews are positive against 100% of Justfit's.

Interval Timer Plus ships an update every 2 months, Justfit every 3 days. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Interval Timer Plus | Justfit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (6.4K ratings)](https://appshunter.io/ios/app/interval-timer-plus/id1554256831/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/justfit-boxing-interval-timer/id6449503037/reviews)** |
| Number of ratings | **6.4K** | 1 |
| Positive reviews | 95.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 116 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Su-Au Hwang](https://appshunter.io/developer/1554256833) | [Ferda Nahit Fidanci](https://appshunter.io/developer/1689464732) |

## What reviewers say

### Interval Timer Plus

[App page](https://appshunter.io/ios/app/interval-timer-plus/id1554256831)

This versatile timer app offers a simple yet powerful way to manage timed activities. Customize multiple intervals with individual colors and sounds, and save them as presets for quick access. It's designed for ease of use and visibility, even from a distance, and works seamlessly in the background.

**Highlights:** Customizable intervals, Named intervals with voice readout, Individual colors and sounds, Count time or repetitions, Unlimited presets, Works in background, Full screen color coding

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |

**What reviewers like**

- 🚀 Simple and effective
- 🚀 Customizable and streamlined
- 👍 Easy to configure and edit
- 👍 Convenient for workouts and circuits
- 👍 Minimal ads and no purchases required

**What reviewers complain about**

- 🐛 Occasional issues with audio playback in the background
- 💡 Desire for more color customization options

**Reported bugs**

- Audio alerts not working when app is in the background

**Requested features**

- Support for Apple Watch integration
- Ability to delete saved workouts


### 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 Interval Timer Plus free?

Interval Timer Plus is free to download, with in-app purchases available.

### Is Justfit free?

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

### Which has better reviews, Interval Timer Plus or Justfit?

Justfit is rated higher. Interval Timer Plus averages 4.9 out of 5 from 6.4K ratings, while Justfit averages 5.0 from 1 ratings.

### Do Interval Timer Plus or Justfit have ads?

Justfit shows ads; Interval Timer Plus does not.

### Which is updated more often, Interval Timer Plus or Justfit?

Interval Timer Plus ships an update every 2 months, and Justfit every 3 days. Most recently, Interval Timer Plus was updated on November 5, 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.*