# Zero Duplicates vs NetToolBox

The clearest difference is ads: Zero Duplicates at none against NetToolBox's shown. Zero Duplicates also leads on update cadence (weekly vs every 5 weeks) and iOS requirement (17.0 vs 26.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Zero Duplicates sells 3 in-app purchases, starting at $1.99 per month and NetToolBox 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, NetToolBox every 5 weeks. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Zero Duplicates | NetToolBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (47 ratings)](https://appshunter.io/ios/app/zero-duplicates-file-cleaner/id6754661826/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Freemium | — |
| Size | 15 MB | 7 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Brock](https://appshunter.io/developer/1742267837) | [Arthur Hardy Kotsch](https://appshunter.io/developer/1883672516) |

## 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 |


### NetToolBox

[App page](https://appshunter.io/ios/app/nettoolbox/id6778153453)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Werbefrei und Premium-Berichte | $4.99 | one-time |


## Frequently asked questions

### Is Zero Duplicates free?

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

### Is NetToolBox free?

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

### Do Zero Duplicates or NetToolBox have ads?

NetToolBox shows ads; Zero Duplicates does not.

### Which is updated more often, Zero Duplicates or NetToolBox?

Zero Duplicates ships an update weekly, and NetToolBox every 5 weeks. Most recently, Zero Duplicates was updated on September 18, 2026 and NetToolBox on September 23, 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.*