# WhatChanged vs Space Saver

The clearest difference is price: Space Saver at Free against WhatChanged's $9.99. Space Saver also leads on update cadence (every 8 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Space Saver is free to download; WhatChanged costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WhatChanged ships an update every 3 weeks, Space Saver every 8 days. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | WhatChanged | Space Saver |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 31 MB | 9 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iri You](https://appshunter.io/developer/1814472799) | [K2-18 Ltd](https://appshunter.io/developer/6794596955) |

## What reviewers say

### WhatChanged

[App page](https://appshunter.io/ios/app/whatchanged-folder-compare/id6759179141)

**Features:** Vision Pro support

**In-app purchases:** none


### Space Saver

[App page](https://appshunter.io/ios/app/space-saver-duplicate-finder/id6794596953)

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

**In-app purchases:** none


## Frequently asked questions

### Is WhatChanged free?

WhatChanged costs $9.99, with no in-app purchases.

### Is Space Saver free?

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

### Do WhatChanged or Space Saver have ads?

Neither WhatChanged nor Space Saver shows ads.

### Which is updated more often, WhatChanged or Space Saver?

WhatChanged ships an update every 3 weeks, and Space Saver every 8 days. Most recently, WhatChanged was updated on October 15, 2026 and Space Saver on October 24, 2026.

---

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