# Power Interval Timer vs Interval Workout Timer

The clearest difference is ads: Interval Workout Timer at none against Power Interval Timer's shown. Interval Workout Timer also leads on update cadence (every 3 days vs weekly) and iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Power Interval Timer sells 1 one-off in-app purchase and Interval Workout Timer sells 3 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

Power Interval Timer ships an update weekly, Interval Workout Timer every 3 days. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Power Interval Timer | Interval Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Size | 37 MB | 50 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lior Zukman](https://appshunter.io/developer/1845410217) | [YU HUA CHEOK](https://appshunter.io/developer/1889741662) |

## What reviewers say

### Power Interval Timer

[App page](https://appshunter.io/ios/app/power-interval-timer/id6758246007)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $2.99 | one-time |


### Interval Workout Timer

[App page](https://appshunter.io/ios/app/interval-workout-timer-block/id6761449890)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Block Timer Pro | $2.49 | per month |
| Block Timer Pro | $11.99 | per year |
| Lifetime Premium | $31.99 | one-time |


## Frequently asked questions

### Is Power Interval Timer free?

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

### Is Interval Workout Timer free?

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

### Do Power Interval Timer or Interval Workout Timer have ads?

Power Interval Timer shows ads; Interval Workout Timer does not.

### Which is updated more often, Power Interval Timer or Interval Workout Timer?

Power Interval Timer ships an update weekly, and Interval Workout Timer every 3 days. Most recently, Power Interval Timer was updated on September 10, 2026 and Interval Workout Timer on September 20, 2026.

---

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