# HIIT Interval Timer vs Pulse Sleep

The clearest difference is price: HIIT Interval Timer at Free against Pulse Sleep's $1.99. HIIT Interval Timer also leads on iOS requirement (15.6 vs 26.0). Pulse Sleep's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

HIIT Interval Timer is free to download; Pulse Sleep costs $1.99 up front. HIIT Interval Timer sells 1 one-off in-app purchase. Pulse Sleep asks for nothing beyond the download.

HIIT Interval Timer ships an update every 5 months, Pulse Sleep every 9 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | HIIT Interval Timer | Pulse Sleep |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.2 (102 ratings)](https://appshunter.io/ios/app/hiit-interval-timer/id980471893/reviews)** | — |
| Number of ratings | **102** | — |
| Positive reviews | 52.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 1 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thang Nguyen](https://appshunter.io/developer/921360262) | [Ryosuke Yunoki](https://appshunter.io/developer/1778026397) |

## What reviewers say

### HIIT Interval Timer

[App page](https://appshunter.io/ios/app/hiit-interval-timer/id980471893)

This app provides a flexible interval timer for high-intensity training. Customize workout cycles, rest periods, and receive color, voice, and sound navigation cues. It runs in the background and offers a built-in music player.

**Highlights:** Customizable interval and rest times, Background and screen-locked operation, Color, voice, and sound navigation, Built-in music player, Create and manage custom timers, Multiple themes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $4.99 | one-time |


### Pulse Sleep

[App page](https://appshunter.io/ios/app/pulse-sleep/id6756337432)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HIIT Interval Timer free?

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

### Is Pulse Sleep free?

Pulse Sleep costs $1.99, with no in-app purchases.

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

HIIT Interval Timer shows ads; Pulse Sleep does not.

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

HIIT Interval Timer ships an update every 5 months, and Pulse Sleep every 9 months. Most recently, HIIT Interval Timer was updated on September 17, 2026 and Pulse Sleep 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.*