# Precision Interval Timer vs Justfit

The clearest difference is review sentiment: Justfit at 100% against Precision Interval Timer's 0%. Justfit also leads on rating (5.0 vs 3.0) and update cadence (every 3 days vs every 4 months). Precision Interval Timer's advantage is in-app purchases (none vs 4) and iOS requirement (9.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Justfit sells 4 in-app purchases, starting at $1.99 per month. Precision Interval 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: 0% of Precision Interval Timer's written reviews are positive against 100% of Justfit's.

Precision Interval Timer ships an update every 4 months, Justfit every 3 days. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Precision Interval Timer | Justfit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/precision-interval-timer/id1211281892/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/justfit-boxing-interval-timer/id6449503037/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 105 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jason Van Veldhuysen](https://appshunter.io/developer/596889920) | [Ferda Nahit Fidanci](https://appshunter.io/developer/1689464732) |

## What reviewers say

### Precision Interval Timer

[App page](https://appshunter.io/ios/app/precision-interval-timer/id1211281892)

Create custom workout routines with pre-programmed warm-ups, intervals, conditioning, and cool-downs. Set work and rest periods, repeat cycles, and let the timer guide your training session.

**Highlights:** Pre-program entire workouts, Customizable work and rest intervals, Repeat cycles for exercises, Warm-up, conditioning, and cool-down sections, Guided training sessions, Stackable interval sections

**Features:** Vision Pro support

**In-app purchases:** none


### Justfit

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

This app provides customizable interval timers for various activities like HIIT, Tabata, meditation, and studying. Track your progress with detailed history and analytics, and personalize your experience with custom sounds and colors.

**Highlights:** Fully customizable interval timers, Full-screen circular countdown/countup stopwatch, Pre-made templates for HIIT, Tabata, Meditation, Customizable audio for intervals, sets, and rest, Detailed progress tracking and analytics, Timer sharing via export/import, Multilanguage support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $7.99 | per year |
| Lifetime Access | $3.99 | one-time |
| Lifetime Access | $7.99 | one-time |


## Frequently asked questions

### Is Precision Interval Timer free?

Precision Interval 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, Precision Interval Timer or Justfit?

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

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

Neither Precision Interval Timer nor Justfit shows ads.

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

Precision Interval Timer ships an update every 4 months, and Justfit every 3 days. Most recently, Precision Interval Timer was updated on October 14, 2026 and Justfit on October 16, 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.*