# (R)évolution vs HIIT Interval Timer & Tracker

The clearest difference is ads: HIIT Interval Timer & Tracker at none against (R)évolution's shown. HIIT Interval Timer & Tracker also leads on update cadence (every 3 weeks vs every 19 months) and iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. (R)évolution sells 1 in-app purchase, starting at $39.00 per month and HIIT Interval Timer & Tracker sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

(R)évolution ships an update every 19 months, HIIT Interval Timer & Tracker every 3 weeks. The most recent releases landed on May 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | (R)évolution | HIIT Interval Timer & Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Size | 91 MB | 57 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WebDev Intégration Ltée](https://appshunter.io/developer/1759415618) | [Ech-Chafai Kadri](https://appshunter.io/developer/1789520174) |

## What reviewers say

### (R)évolution

[App page](https://appshunter.io/ios/app/revolution/id6575390944)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Forfait de base | $39.00 | per month |


### HIIT Interval Timer & Tracker

[App page](https://appshunter.io/ios/app/hiit-interval-timer-and-tracker/id6742692409)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $1.99 | per 7 days |
| Monthly Pro | $4.99 | per month |
| Yearly Pro | $19.99 | per year |
| Pro Access | $19.99 | one-time |


## Frequently asked questions

### Is (R)évolution free?

(R)évolution is free to download, with in-app purchases available.

### Is HIIT Interval Timer & Tracker free?

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

### Do (R)évolution or HIIT Interval Timer & Tracker have ads?

(R)évolution shows ads; HIIT Interval Timer & Tracker does not.

### Which is updated more often, (R)évolution or HIIT Interval Timer & Tracker?

(R)évolution ships an update every 19 months, and HIIT Interval Timer & Tracker every 3 weeks. Most recently, (R)évolution was updated on May 18, 2026 and HIIT Interval Timer & Tracker on September 10, 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.*