# Power Interval Timer vs Plank Timer

The clearest difference is ads: Plank Timer at none against Power Interval Timer's shown. Power Interval Timer's advantage is update cadence (weekly vs every 6 weeks) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Power Interval Timer sells 1 one-off in-app purchase and Plank Timer sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Power Interval Timer ships an update weekly, Plank Timer every 6 weeks. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Power Interval Timer | Plank Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 6 weeks |
| Size | 37 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lior Zukman](https://appshunter.io/developer/1845410217) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## 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 |


### Plank Timer

[App page](https://appshunter.io/ios/app/plank-timer-core-workout/id6772185526)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $14.99 | per year |


## Frequently asked questions

### Is Power Interval Timer free?

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

### Is Plank Timer free?

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

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

Power Interval Timer shows ads; Plank Timer does not.

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

Power Interval Timer ships an update weekly, and Plank Timer every 6 weeks. Most recently, Power Interval Timer was updated on September 29, 2026 and Plank Timer on October 8, 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.*