# Interval timer · Hiit timer vs BurnLab

The clearest difference is in-app purchases: BurnLab at none against Interval timer · Hiit timer's 3. BurnLab also leads on ads (none vs shown). Interval timer · Hiit timer's advantage is update cadence (weekly vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Interval timer · Hiit timer sells 3 in-app purchases, starting at $2.99 per 7 days. BurnLab asks for nothing beyond the download.

Interval timer · Hiit timer ships an update weekly, BurnLab every 6 weeks. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Interval timer · Hiit timer | BurnLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (16 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-timer/id6479285382/reviews)** | — |
| Number of ratings | **16** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 82 MB | 10 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UnitVN.,JSC](https://appshunter.io/developer/1639973914) | [BurnLab](https://appshunter.io/developer/6793512023) |

## What reviewers say

### Interval timer · Hiit timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-timer/id6479285382)

This workout app offers customizable interval and rest times, with audio guidance that continues even when the app is in the background. Track your progress with detailed history and statistics, and easily repeat past workouts. It's designed to enhance your fitness routine without interrupting your music.

**Highlights:** Customizable interval and rest times, Audio guidance (voice or beeps), Background audio support, Workout history and statistics, Repeat previous workouts, Non-interference with music

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Monthly | $4.99 | per month |
| Lifetime package | $19.99 | one-time |


### BurnLab

[App page](https://appshunter.io/ios/app/burnlab/id6793512021)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Interval timer · Hiit timer free?

Interval timer · Hiit timer is free to download, with in-app purchases available.

### Is BurnLab free?

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

### Do Interval timer · Hiit timer or BurnLab have ads?

Interval timer · Hiit timer shows ads; BurnLab does not.

### Which is updated more often, Interval timer · Hiit timer or BurnLab?

Interval timer · Hiit timer ships an update weekly, and BurnLab every 6 weeks. Most recently, Interval timer · Hiit timer was updated on October 1, 2026 and BurnLab on October 2, 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.*