# Power vs When'd I

The clearest difference is price: Power at Free against When'd I's $2.99. Power also leads on iOS requirement (10.0 vs 15.0). When'd I's advantage is update cadence (every 3 days vs every 4 months). On ads, in-app purchases and device support there is nothing between them.

Power is free to download; When'd I costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Power ships an update every 4 months, When'd I every 3 days. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Power | When'd I |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | — | Paid |
| Size | 79 MB | 29 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TECOM CO., LTD.](https://appshunter.io/developer/490537952) | [HyunWoo Lee](https://appshunter.io/developer/6791167449) |

## What reviewers say

### Power

[App page](https://appshunter.io/ios/app/power-cloud/id1111822695)

**Features:** macOS Compatibility

**In-app purchases:** none


### When'd I

[App page](https://appshunter.io/ios/app/whend-i/id6801866888)

This app helps you track when you last performed specific tasks or activities. It visualizes the time elapsed since your last action and allows you to add photos and notes to each entry. Features include widgets and lock screen access for quick logging and checking.

**Highlights:** Track last performed activities, Visualize time elapsed, Add photos and notes, Home screen widgets, Lock screen logging, Optional evening nudge

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

**In-app purchases:** none


## Frequently asked questions

### Is Power free?

Power is free to download, with no in-app purchases.

### Is When'd I free?

When'd I costs $2.99, with no in-app purchases.

### Do Power or When'd I have ads?

Neither Power nor When'd I shows ads.

### Which is updated more often, Power or When'd I?

Power ships an update every 4 months, and When'd I every 3 days. Most recently, Power was updated on October 9, 2026 and When'd I 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.*