# FLX vs Zero Duplicates

The clearest difference is in-app purchases: FLX at none against Zero Duplicates's 3. FLX also leads on iOS requirement (15.0 vs 17.0). On price, ads 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. FLX asks for nothing beyond the download.

## The numbers

| Metric | FLX | Zero Duplicates |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Freemium |
| Size | 37 MB | 20 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SISGEO S.r.l](https://appshunter.io/developer/1439891075) | [Christopher Brock](https://appshunter.io/developer/1742267837) |

## What reviewers say

### FLX

[App page](https://appshunter.io/ios/app/flx-rail/id6449735068)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is FLX free?

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

### Is Zero Duplicates free?

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

### Do FLX or Zero Duplicates have ads?

Neither FLX nor Zero Duplicates shows ads.

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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.*