# R.A.B. Intervals Timer vs Justfit

The clearest difference is review sentiment: Justfit at 100% against R.A.B. Intervals Timer's 50%. Justfit also leads on ads (none vs shown). R.A.B. Intervals Timer's advantage is iOS requirement (10.0 vs 13.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. R.A.B. Intervals Timer sells 1 one-off in-app purchase and Justfit sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on September 5, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | R.A.B. Intervals Timer | Justfit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/justfit-tabata-interval-timer/id6449503037/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 45 MB | 66 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hyun-il Kim](https://appshunter.io/developer/1273509681) | [Ferda Nahit Fidanci](https://appshunter.io/developer/1689464732) |

## What reviewers say

### R.A.B. Intervals Timer

[App page](https://appshunter.io/ios/app/rab-intervals-timer/id1456220476)

Create custom interval timers with detailed settings for rounds and repetitions. Features simple animations to guide you through Ready, Action, and Break phases. An in-app purchase is available to remove banner ads.

**Highlights:** Detailed interval time settings, Customizable round repetitions, Timeline animation for phases, Create multiple timers, Ad removal via in-app purchase

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $0.99 | one-time |


### Justfit

[App page](https://appshunter.io/ios/app/justfit-tabata-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

**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 R.A.B. Intervals Timer free?

R.A.B. Intervals Timer is free to download, with in-app purchases available.

### Is Justfit free?

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

### Do R.A.B. Intervals Timer or Justfit have ads?

R.A.B. Intervals Timer shows ads; Justfit does not.

### Which is updated more often, R.A.B. Intervals Timer or Justfit?

R.A.B. Intervals Timer ships an update every 4 days, and Justfit every 4 days. Most recently, R.A.B. Intervals Timer was updated on September 5, 2026 and Justfit on June 11, 2026.

---

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