# Tabata Timer and HIIT Timer vs IRON LAB

The clearest difference is in-app purchases: IRON LAB at none against Tabata Timer and HIIT Timer's 2. IRON LAB also leads on ads (none vs shown). Tabata Timer and HIIT Timer's advantage is update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement 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. IRON LAB asks for nothing beyond the download.

Tabata Timer and HIIT Timer ships an update every 3 weeks, IRON LAB every 2 months. The most recent releases landed on September 28, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Tabata Timer and HIIT Timer | IRON LAB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (74K ratings)](https://appshunter.io/ios/app/tabata-timer-and-hiit-timer/id664563975/reviews)** | — |
| Number of ratings | **74K** | — |
| Positive reviews | 79.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 165 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Anuj Seth](https://appshunter.io/developer/486885281) | [IRON LAB INC](https://appshunter.io/developer/1675369109) |

## 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


### IRON LAB

[App page](https://appshunter.io/ios/app/iron-lab/id6445998332)

**Features:** Apple Wallet, Apple Watch app, Vision Pro support

**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 IRON LAB free?

IRON LAB is free to download, with no in-app purchases.

### Do Tabata Timer and HIIT Timer or IRON LAB have ads?

Tabata Timer and HIIT Timer shows ads; IRON LAB does not.

### Which is updated more often, Tabata Timer and HIIT Timer or IRON LAB?

Tabata Timer and HIIT Timer ships an update every 3 weeks, and IRON LAB every 2 months. Most recently, Tabata Timer and HIIT Timer was updated on September 28, 2026 and IRON LAB on September 10, 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.*