# Interval Timer・HIIT Timer vs Ntrval Timer

The clearest difference is in-app purchases: Ntrval Timer at none against Interval Timer・HIIT Timer's 2. On price, rating, ratings volume and update cadence 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. Ntrval Timer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Interval Timer・HIIT Timer against 5.0 for Ntrval Timer. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Interval Timer・HIIT Timer ships an update every 4 days, Ntrval Timer weekly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Interval Timer・HIIT Timer | Ntrval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/interval-timerhiit-timer/id6748070178/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ntrval-timer/id6782465592/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Freemium | Freemium |
| Size | 74 MB | 15 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reva Desai](https://appshunter.io/developer/1780266324) | [Blake Garcia](https://appshunter.io/developer/6782465594) |

## What reviewers say

### Interval Timer・HIIT Timer

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

This app provides a customizable interval timer for various fitness activities like HIIT, strength training, and yoga. It includes real-time audio cues, heart rate monitoring using your phone's camera, and automatic workout logging to track progress.

**Highlights:** Customizable workout intervals, Real-time audio and voice cues, Heart rate monitoring via camera, Automatic workout logging, Workout history and statistics, Drag-and-set interface

**Features:** macOS Compatibility

**In-app purchases (2)**

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


### Ntrval Timer

[App page](https://appshunter.io/ios/app/ntrval-timer/id6782465592)

Design custom interval timers with work/rest periods, rounds, and visual cues. Build complete workouts from exercises, schedule training, and display timers on a large screen. It's designed for efficient training, from quick sessions to coached classes.

**Highlights:** Customizable interval timers, Workout builder with exercises, Per-interval names and colors, Glanceable display, Workout scheduling, TV display mode

**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 Ntrval Timer free?

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

### Which has better reviews, Interval Timer・HIIT Timer or Ntrval Timer?

Interval Timer・HIIT Timer and Ntrval Timer are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

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

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

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

Interval Timer・HIIT Timer ships an update every 4 days, and Ntrval Timer weekly. Most recently, Interval Timer・HIIT Timer was updated on October 28, 2026 and Ntrval Timer on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*