# Zero Duplicates vs Universal Reader Pro

Zero Duplicates and Universal Reader Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Zero Duplicates sells 3 in-app purchases, starting at $1.99 per month and Universal Reader Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Zero Duplicates ships an update weekly, Universal Reader Pro every 5 days. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Zero Duplicates | Universal Reader Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (52 ratings)](https://appshunter.io/ios/app/zero-duplicates-file-cleaner/id6754661826/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 20 MB | 5 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Brock](https://appshunter.io/developer/1742267837) | [勇 陈](https://appshunter.io/developer/933173342) |

## What reviewers say

### Zero Duplicates

[App page](https://appshunter.io/ios/app/zero-duplicates-file-cleaner/id6754661826)

Reclaim iPhone storage by finding and deleting duplicate files, even those with different names. Advanced content analysis ensures accurate identification, and a privacy-first design keeps your data local. Safely organize documents, images, videos, and more.

**Highlights:** Advanced content analysis for real duplicates, Finds duplicates with different filenames, Supports documents, images, videos, audio, and downloads, Scans iCloud Drive and external storage, Privacy-first local scanning, Auto-select duplicates by newest/oldest, Preview before deleting

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $5.99 | per year |
| Lifetime | $14.99 | one-time |


### Universal Reader Pro

[App page](https://appshunter.io/ios/app/universal-reader-pro/id6807626833)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Universal Reader Pro | $9.99 | one-time |


## Frequently asked questions

### Is Zero Duplicates free?

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

### Is Universal Reader Pro free?

Universal Reader Pro is free to download, with in-app purchases available.

### Do Zero Duplicates or Universal Reader Pro have ads?

Neither Zero Duplicates nor Universal Reader Pro shows ads.

### Which is updated more often, Zero Duplicates or Universal Reader Pro?

Zero Duplicates ships an update weekly, and Universal Reader Pro every 5 days. Most recently, Zero Duplicates was updated on October 6, 2026 and Universal Reader Pro on October 11, 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.*