# WOTools vs HIIT Timer Pro

The clearest difference is in-app purchases: WOTools at none against HIIT Timer Pro's 2. WOTools also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). HIIT Timer Pro's advantage is update cadence (every 9 days vs every 4 months). On price and ads there is nothing between them.

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

WOTools ships an update every 4 months, HIIT Timer Pro every 9 days. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | WOTools | HIIT Timer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hiit-timer-pro-intervals/id6747914671/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 21 MB | 20 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Robin Confalonieri](https://appshunter.io/developer/1454542143) | [Develak](https://appshunter.io/developer/1803580275) |

## What reviewers say

### WOTools

[App page](https://appshunter.io/ios/app/wotools-workout-tools/id1436326873)

**Features:** macOS Compatibility

**In-app purchases:** none


### HIIT Timer Pro

[App page](https://appshunter.io/ios/app/hiit-timer-pro-intervals/id6747914671)

This app provides a precision timer for high-intensity interval training, offering customizable workout parameters and clear visual cues. It supports background playback, haptic feedback, and auto-saves workout history with detailed statistics.

**Highlights:** Customizable work, rest, and round intervals, Giant countdown screen and progress ring, Studio-grade sound packs with adjustable volume, Background playback and optional haptic feedback, One-tap controls for pause, skip, stop, and mute, Auto-save workout history and performance stats, Offline-first design for training anywhere

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SimplyTask Pro - Monthly | $2.99 | per month |
| Hiit Timer Pro - Yearly | $19.99 | per year |


## Frequently asked questions

### Is WOTools free?

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

### Is HIIT Timer Pro free?

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

### Do WOTools or HIIT Timer Pro have ads?

Neither WOTools nor HIIT Timer Pro shows ads.

### Which is updated more often, WOTools or HIIT Timer Pro?

WOTools ships an update every 4 months, and HIIT Timer Pro every 9 days. Most recently, WOTools was updated on October 17, 2026 and HIIT Timer Pro on October 19, 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.*