# The Wolff Timer vs Interval Timer Pro

The clearest difference is in-app purchases: The Wolff Timer at none against Interval Timer Pro's 2. The Wolff Timer also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Timer Pro sells 2 in-app purchases, starting at $1.99 per 7 days. The Wolff Timer asks for nothing beyond the download.

## The numbers

| Metric | The Wolff Timer | Interval Timer Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 3 MB | 7 MB |
| Requires iOS | 17.2 | **16.1** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jimmi Wolff](https://appshunter.io/developer/1871899583) | [Cloud Motion Lab LLC](https://appshunter.io/developer/1866865109) |

## What reviewers say

### The Wolff Timer

[App page](https://appshunter.io/ios/app/the-wolff-timer/id6758272038)

**Features:** macOS Compatibility

**In-app purchases:** none


### Interval Timer Pro

[App page](https://appshunter.io/ios/app/interval-timer-pro-tabata/id6759737959)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer Pro | $1.99 | per 7 days |
| Interval Timer Pro - Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is The Wolff Timer free?

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

### Is Interval Timer Pro free?

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

### Do The Wolff Timer or Interval Timer Pro have ads?

Interval Timer Pro shows ads; The Wolff Timer does not.

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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.*