# Tabata Timer and HIIT Timer vs Interval(x)

The clearest difference is in-app purchases: Interval(x) at none against Tabata Timer and HIIT Timer's 2. Interval(x) also leads on ads (none vs shown) and rating (5.0 vs 4.8). Tabata Timer and HIIT Timer's advantage is ratings volume (74K vs 1) and iOS requirement (15.0 vs 18.1). On price and device support there is nothing between them.

Both are free to download. Tabata Timer and HIIT Timer sells 2 in-app purchases, starting at $19.99 per year. Interval(x) asks for nothing beyond the download.

Interval(x) holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Tabata Timer and HIIT Timer has 74K ratings behind it against 1, so its average is the more settled of the two.

Tabata Timer and HIIT Timer ships an update every 3 weeks, Interval(x) every 10 days. The most recent releases landed on October 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Tabata Timer and HIIT Timer | Interval(x) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (74K ratings)](https://appshunter.io/ios/app/tabata-timer-and-hiit-timer/id664563975/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/intervalx/id6739734149/reviews)** |
| Number of ratings | **74K** | 1 |
| Positive reviews | 79.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 2 MB |
| Requires iOS | **15.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Anuj Seth](https://appshunter.io/developer/486885281) | [ShapeHaven Innovations LLC](https://appshunter.io/developer/1747127977) |

## What reviewers say

### Tabata Timer and HIIT Timer

[App page](https://appshunter.io/ios/app/tabata-timer-and-hiit-timer/id664563975)

This interval training app automates your exercise, rest, and cooldown periods for various workouts like Tabata, HIIT, and sprints. It offers customizable intervals, voice guidance, and music integration to enhance focus and workout efficiency. Track your progress with Apple Health integration.

**Highlights:** Automated exercise and rest intervals, Customizable workout presets, Voice and beep guidance, Music integration, Apple Health support, Color-coded display

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features Subscription | $19.99 | per year |
| Pro Features | $19.99 | one-time |

**What reviewers like**

- 🚀 Versatile and customizable
- 👍 Easy to use interface
- 🎨 Helpful voice prompts and audio cues
- 💪 Effective for HIIT and circuit training
- 🎶 Ability to play music during workouts

**What reviewers complain about**

- 🔒 Limited free version with restrictions
- 🐛 Inconsistent behavior when pausing/resuming
- 🔍 Lack of visual indicators for exercise progress
- 🔊 Loud audio alerts that can't be adjusted
- 🔁 Inability to edit saved workout presets

**Reported bugs**

- App freezing or crashing on some devices
- Purchased pro version not restoring properly
- Inconsistent behavior when switching between apps

**Requested features**

- Ability to label and customize individual intervals
- Option to create more complex interval sequences
- Integration with wearable devices and fitness trackers
- Customizable audio alerts and voice prompts
- Improved workout history and progress tracking


### Interval(x)

[App page](https://appshunter.io/ios/app/intervalx/id6739734149)

An open-source interval timer designed for precision and privacy. Configure work and rest periods with millisecond accuracy for training or daily routines. It offers a transparent, data-free experience for users who value control and simplicity.

**Highlights:** Open Source Transparency, Zero Data Collection, Millisecond Interval Precision, Customizable Work/Rest Periods, Lightweight and Power-Efficient, Privacy-First Design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tabata Timer and HIIT Timer free?

Tabata Timer and HIIT Timer is free to download, with in-app purchases available.

### Is Interval(x) free?

Interval(x) is free to download, with no in-app purchases.

### Which has better reviews, Tabata Timer and HIIT Timer or Interval(x)?

Interval(x) is rated higher. Tabata Timer and HIIT Timer averages 4.8 out of 5 from 74K ratings, while Interval(x) averages 5.0 from 1 ratings.

### Do Tabata Timer and HIIT Timer or Interval(x) have ads?

Tabata Timer and HIIT Timer shows ads; Interval(x) does not.

### Which is updated more often, Tabata Timer and HIIT Timer or Interval(x)?

Tabata Timer and HIIT Timer ships an update every 3 weeks, and Interval(x) every 10 days. Most recently, Tabata Timer and HIIT Timer was updated on October 7, 2026 and Interval(x) on September 18, 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.*