# Interval Timer HIIT Timer ++ vs ProWorkout

The clearest difference is ads: ProWorkout at none against Interval Timer HIIT Timer ++'s shown. Interval Timer HIIT Timer ++'s advantage is update cadence (every 6 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Timer HIIT Timer ++ sells 1 in-app purchase, starting at $1.99 per 7 days and ProWorkout sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Interval Timer HIIT Timer ++ ships an update every 6 days, ProWorkout every 2 weeks. The most recent releases landed on June 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Interval Timer HIIT Timer ++ | ProWorkout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Size | 6 MB | 31 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Appwallet Technologies Private Limited](https://appshunter.io/developer/1581780855) | [Dorapocket Limited](https://appshunter.io/developer/1534246913) |

## What reviewers say

### Interval Timer HIIT Timer ++

[App page](https://appshunter.io/ios/app/interval-timer-hiit-timer-plus-plus/id6737910658)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HIIT | $1.99 | per 7 days |


### ProWorkout

[App page](https://appshunter.io/ios/app/proworkout-interval-timer/id6747937070)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProWorkout Builder Monthly | $2.99 | per month |
| ProWorkout Builder Annual | $9.99 | per year |
| ProWorkout Builder Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Interval Timer HIIT Timer ++ free?

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

### Is ProWorkout free?

ProWorkout is free to download, with in-app purchases available.

### Do Interval Timer HIIT Timer ++ or ProWorkout have ads?

Interval Timer HIIT Timer ++ shows ads; ProWorkout does not.

### Which is updated more often, Interval Timer HIIT Timer ++ or ProWorkout?

Interval Timer HIIT Timer ++ ships an update every 6 days, and ProWorkout every 2 weeks. Most recently, Interval Timer HIIT Timer ++ was updated on June 11, 2026 and ProWorkout 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.*