# Contacts CSV Export vs Zero Duplicates

The clearest difference is update cadence: Zero Duplicates at weekly against Contacts CSV Export's every 6 months. Zero Duplicates also leads on rating (4.9 vs 4.5) and review sentiment (67% vs 50%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Zero Duplicates holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 14 and 47 respectively. Written reviews point the same way: 50% of Contacts CSV Export's written reviews are positive against 67% of Zero Duplicates's.

Contacts CSV Export ships an update every 6 months, Zero Duplicates weekly. The most recent releases landed on June 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Contacts CSV Export | Zero Duplicates |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (14 ratings)](https://appshunter.io/ios/app/contacts-csv-export/id6743641112/reviews) | **[4.9 (47 ratings)](https://appshunter.io/ios/app/zero-duplicates-file-cleaner/id6754661826/reviews)** |
| Number of ratings | 14 | **47** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 6 MB | 15 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [giddyapp](https://appshunter.io/developer/1437204507) | [Christopher Brock](https://appshunter.io/developer/1742267837) |

## What reviewers say

### Contacts CSV Export

[App page](https://appshunter.io/ios/app/contacts-csv-export/id6743641112)

Easily export your iPhone contacts to Excel, CSV, or vCard formats. This utility allows for quick backups, transfers, and organization of your address book with a simple, one-tap process. Your data remains private and on your device.

**Highlights:** Export contacts to Excel (XLSX), CSV, or vCard (VCF), One-tap backup and transfer, Send via email or save to device, Compatible with Microsoft Excel & Apple Contacts, Private data handling, Organize and migrate address book

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Exports | $2.99 | one-time |


### 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 Contacts CSV Export free?

Contacts CSV Export is free to download, with in-app purchases available.

### Is Zero Duplicates free?

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

### Which has better reviews, Contacts CSV Export or Zero Duplicates?

Zero Duplicates is rated higher. Contacts CSV Export averages 4.5 out of 5 from 14 ratings, while Zero Duplicates averages 4.9 from 47 ratings.

### Do Contacts CSV Export or Zero Duplicates have ads?

Neither Contacts CSV Export nor Zero Duplicates shows ads.

### Which is updated more often, Contacts CSV Export or Zero Duplicates?

Contacts CSV Export ships an update every 6 months, and Zero Duplicates weekly. Most recently, Contacts CSV Export was updated on June 4, 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.*