# Crown Haven vs Keep the Diff

The clearest difference is in-app purchases: Crown Haven at none against Keep the Diff's 2. Crown Haven also leads on iOS requirement (15.6 vs 17.0). Keep the Diff's advantage is update cadence (every 6 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Keep the Diff sells 2 in-app purchases, starting at $4.99 per month. Crown Haven asks for nothing beyond the download.

Crown Haven ships an update every 5 months, Keep the Diff every 6 days. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Crown Haven | Keep the Diff |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Size | 61 MB | 13 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Crown Haven LLC](https://appshunter.io/developer/1640511456) | [Augustus Travels LLC](https://appshunter.io/developer/1583073613) |

## What reviewers say

### Crown Haven

[App page](https://appshunter.io/ios/app/crown-haven/id1640511454)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keep the Diff

[App page](https://appshunter.io/ios/app/keep-the-diff-save-money/id6802051358)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is Crown Haven free?

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

### Is Keep the Diff free?

Keep the Diff is free to download, with in-app purchases available.

### Do Crown Haven or Keep the Diff have ads?

Neither Crown Haven nor Keep the Diff shows ads.

### Which is updated more often, Crown Haven or Keep the Diff?

Crown Haven ships an update every 5 months, and Keep the Diff every 6 days. Most recently, Crown Haven was updated on October 19, 2026 and Keep the Diff on October 14, 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.*