# HIIT Timer vs Interval Timer

The clearest difference is in-app purchases: HIIT Timer at none against Interval Timer's 5. Interval Timer's advantage is ads (none vs shown) and update cadence (every 9 days vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Timer sells 5 in-app purchases, starting at $1.99 per month. HIIT Timer asks for nothing beyond the download.

HIIT Timer ships an update every 5 months, Interval Timer every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HIIT Timer | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-tabata/id6755321377/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 59 MB |
| Requires iOS | **16.1** | 17.6 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Yoshikazu Takahashi](https://appshunter.io/developer/1557592781) | [AVA Consult](https://appshunter.io/developer/1732636284) |

## What reviewers say

### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer/id1557592779)

**In-app purchases:** none


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-tabata/id6755321377)

This app provides a highly customizable interval timer for various workout types, including HIIT, Tabata, and circuit training. It offers clear audio cues, background operation, and workout history tracking to help users structure their exercise sessions effectively.

**Highlights:** Customizable interval timers, Full-screen color-coded display, Audio cues and alerts, Background operation, Workout history and statistics, Pre-set templates for routines

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access - Monthly | $1.99 | per month |
| Pro Access - Monthly | $1.99 | per month |
| Pro Access - Yearly | $9.99 | per year |
| Pro Access - Yearly | $9.99 | per year |
| Pro Access - Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is HIIT Timer free?

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

### Is Interval Timer free?

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

### Do HIIT Timer or Interval Timer have ads?

HIIT Timer shows ads; Interval Timer does not.

### Which is updated more often, HIIT Timer or Interval Timer?

HIIT Timer ships an update every 5 months, and Interval Timer every 9 days. Most recently, HIIT Timer was updated on October 25, 2026 and Interval Timer on October 24, 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.*