# Interval Timer・HIIT Timer vs Interval Timer

The clearest difference is in-app purchases: Interval Timer at none against Interval Timer・HIIT Timer's 2. Interval Timer・HIIT Timer's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Interval Timer・HIIT Timer sells 2 in-app purchases, starting at $2.99 per month. Interval Timer asks for nothing beyond the download.

Interval Timer・HIIT Timer ships an update every 4 days, Interval Timer every 2 weeks. The most recent releases landed on September 19, 2026 and June 7, 2026 respectively.

## The numbers

| Metric | Interval Timer・HIIT Timer | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/interval-timer-timetotrain/id6757983634/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 74 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reva Desai](https://appshunter.io/developer/1780266324) | [Danila Dundukov](https://appshunter.io/developer/1776675659) |

## What reviewers say

### Interval Timer・HIIT Timer

[App page](https://appshunter.io/ios/app/interval-timerhiit-timer/id6748070178)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Access | $2.99 | per month |
| Premium Yearly Access | $19.99 | per year |


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-timetotrain/id6757983634)

This app provides a precise interval timer for high-intensity interval training (HIIT), Tabata, and circuit workouts. It features customizable intervals, smart audio cues, and a clear countdown display to keep users focused during intense training sessions.

**Highlights:** Customizable work and rest intervals, Built-in Tabata and HIIT presets, Smart audio and haptic feedback, Large countdown display, Workout history and statistics, Adjustable rounds and sets

**Features:** macOS Compatibility

**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 Interval Timer free?

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

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

Neither Interval Timer・HIIT Timer nor Interval Timer shows ads.

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

Interval Timer・HIIT Timer ships an update every 4 days, and Interval Timer every 2 weeks. Most recently, Interval Timer・HIIT Timer was updated on September 19, 2026 and Interval Timer on June 7, 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.*