# What Did I Do? vs Stacky

The clearest difference is in-app purchases: What Did I Do? at none against Stacky's 3. What Did I Do? also leads on update cadence (every 6 weeks vs every 3 months). Stacky's advantage is iOS requirement (16.4 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. Stacky sells 3 in-app purchases, starting at $2.99 per month. What Did I Do? asks for nothing beyond the download.

What Did I Do? ships an update every 6 weeks, Stacky every 3 months. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | What Did I Do? | Stacky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 1 MB | 59 MB |
| Requires iOS | 18.5 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Antonius Werhahn](https://appshunter.io/developer/1827437213) | [Hiroki Nomura](https://appshunter.io/developer/799419983) |

## What reviewers say

### What Did I Do?

[App page](https://appshunter.io/ios/app/what-did-i-do/id6748986309)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stacky

[App page](https://appshunter.io/ios/app/stacky-clipboard-and-snippets/id6794009964)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stacky Pro Monthly | $2.99 | per month |
| Stacky Pro Yearly | $19.99 | per year |
| Stacky Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is What Did I Do? free?

What Did I Do? is free to download, with no in-app purchases.

### Is Stacky free?

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

### Do What Did I Do? or Stacky have ads?

Neither What Did I Do? nor Stacky shows ads.

### Which is updated more often, What Did I Do? or Stacky?

What Did I Do? ships an update every 6 weeks, and Stacky every 3 months. Most recently, What Did I Do? was updated on October 28, 2026 and Stacky on October 29, 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.*