# Conversion! vs Zero Duplicates

The clearest difference is in-app purchases: Conversion! at none against Zero Duplicates's 3. Zero Duplicates's advantage is update cadence (weekly vs every 20 months) and iOS requirement (17.0 vs 26.0). 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. Conversion! asks for nothing beyond the download.

Conversion! ships an update every 20 months, Zero Duplicates weekly. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Conversion! | Zero Duplicates |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 15 MB | 15 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [Christopher Brock](https://appshunter.io/developer/1742267837) |

## What reviewers say

### Conversion!

[App page](https://appshunter.io/ios/app/conversion/id1227201297)

**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 Conversion! free?

Conversion! 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 Conversion! or Zero Duplicates have ads?

Neither Conversion! nor Zero Duplicates shows ads.

### Which is updated more often, Conversion! or Zero Duplicates?

Conversion! ships an update every 20 months, and Zero Duplicates weekly. Most recently, Conversion! was updated on September 20, 2026 and Zero Duplicates on September 18, 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.*