# Personal Interval Timer vs HIIT Timer / Interval Timer

The clearest difference is in-app purchases: HIIT Timer / Interval Timer at none against Personal Interval Timer's 1. Personal Interval Timer's advantage is update cadence (every 4 weeks vs every 2 months) and iOS requirement (14.2 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Personal Interval Timer sells 1 one-off in-app purchase. HIIT Timer / Interval Timer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Personal Interval Timer against 4.9 for HIIT Timer / Interval Timer. Both are backed by a comparable volume of ratings — 14 and 14 respectively.

Personal Interval Timer ships an update every 4 weeks, HIIT Timer / Interval Timer every 2 months. The most recent releases landed on August 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Personal Interval Timer | HIIT Timer / Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (14 ratings)](https://appshunter.io/ios/app/personal-interval-timer/id1479646964/reviews) | **[4.9 (14 ratings)](https://appshunter.io/ios/app/hiit-timer-interval-timer/id1610842683/reviews)** |
| Number of ratings | 14 | 14 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 7 MB | 12 MB |
| Requires iOS | **14.2** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AlexApps.Net Co](https://appshunter.io/developer/972261962) | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) |

## What reviewers say

### Personal Interval Timer

[App page](https://appshunter.io/ios/app/personal-interval-timer/id1479646964)

This app helps you manage timed workouts for sports like boxing, HIIT, and Tabata. It offers customizable presets, workout history tracking, and works with a locked screen and background music. Share your routines with friends and receive voice or bell notifications.

**Highlights:** Works with locked screen, Plays with background music, Saves custom presets, Share workouts with friends, History and progress charts, Voice or bell notifications

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### HIIT Timer / Interval Timer

[App page](https://appshunter.io/ios/app/hiit-timer-interval-timer/id1610842683)

This app provides a customizable timer for high-intensity interval training. Easily set up warm-up, workout, and cool-down periods with adjustable intervals and counts. Personalize colors, sounds, and notifications for a tailored experience.

**Highlights:** Unlimited timer creation, Customizable intervals (warm-up, workout, cool-down), Adjustable counts, Color and sound customization, Dark mode support, Background notifications

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Personal Interval Timer free?

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

### Is HIIT Timer / Interval Timer free?

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

### Which has better reviews, Personal Interval Timer or HIIT Timer / Interval Timer?

HIIT Timer / Interval Timer is rated higher. Personal Interval Timer averages 4.8 out of 5 from 14 ratings, while HIIT Timer / Interval Timer averages 4.9 from 14 ratings.

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

Both Personal Interval Timer and HIIT Timer / Interval Timer show ads.

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

Personal Interval Timer ships an update every 4 weeks, and HIIT Timer / Interval Timer every 2 months. Most recently, Personal Interval Timer was updated on August 25, 2026 and HIIT Timer / Interval Timer on September 17, 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.*