# Nox vs Workout Timer Interval & HIIT

The clearest difference is in-app purchases: Nox at none against Workout Timer Interval & HIIT's 3. Nox also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (9.0 vs 16.1). On price, ads and device support there is nothing between them.

Both are free to download. Workout Timer Interval & HIIT sells 3 in-app purchases, starting at $2.99 per month. Nox asks for nothing beyond the download.

Nox ships an update every 3 days, Workout Timer Interval & HIIT fortnightly. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Nox | Workout Timer Interval & HIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (145 ratings)](https://appshunter.io/ios/app/workout-timer-interval-and-hiit/id1669997130/reviews)** |
| Number of ratings | — | **145** |
| Positive reviews | — | 53.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 29 MB |
| Requires iOS | **9.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Connor Wilson](https://appshunter.io/developer/1506857833) | [Simon Jansen](https://appshunter.io/developer/1669997132) |

## What reviewers say

### Nox

[App page](https://appshunter.io/ios/app/nox/id1578147170)

**Features:** macOS Compatibility

**In-app purchases:** none


### Workout Timer Interval & HIIT

[App page](https://appshunter.io/ios/app/workout-timer-interval-and-hiit/id1669997130)

This app offers customizable interval timers for various training styles like HIIT, Tabata, and Crossfit. Track your progress, enjoy background music, and switch between light and dark modes to enhance your fitness routine.

**Highlights:** Customizable interval timers, Supports HIIT, Tabata, WOD, Crossfit, EMOM, AMRAP, Historical workout tracking, Background music playback, Light and dark mode themes, Intuitive interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Premium Yearly | $14.99 | per year |
| Premium | $29.99 | one-time |


## Frequently asked questions

### Is Nox free?

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

### Is Workout Timer Interval & HIIT free?

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

### Do Nox or Workout Timer Interval & HIIT have ads?

Neither Nox nor Workout Timer Interval & HIIT shows ads.

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

Nox ships an update every 3 days, and Workout Timer Interval & HIIT fortnightly. Most recently, Nox was updated on October 2, 2026 and Workout Timer Interval & HIIT on October 13, 2026.

---

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