# Duplicate Contacts Finder vs Mathify

The clearest difference is iOS requirement: Duplicate Contacts Finder at 9.0 against Mathify's 16.4. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Duplicate Contacts Finder | Mathify |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 12 MB | 44 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Shebin Koshy](https://appshunter.io/developer/1550838405) | [Vinayak Dhadda](https://appshunter.io/developer/1887483788) |

## What reviewers say

### Duplicate Contacts Finder

[App page](https://appshunter.io/ios/app/duplicate-contacts-finder/id1550838403)

This utility helps organize your phone's contacts by identifying and allowing manual deletion of duplicates based on name and phone number. It also categorizes contacts with missing or invalid names and phone numbers, ensuring your contact list remains clean and efficient. Your contact information stays securely on your device.

**Highlights:** Categorize duplicate contacts by name and phone, Manually delete duplicate contacts, Categorize contacts with empty/invalid names, Categorize contacts with empty/invalid phone numbers, Keeps contact data on device

**Features:** macOS Compatibility

**In-app purchases:** none


### Mathify

[App page](https://appshunter.io/ios/app/mathify-ai-calculator/id6797204233)

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

**In-app purchases:** none


## Frequently asked questions

### Is Duplicate Contacts Finder free?

Duplicate Contacts Finder is free to download, with no in-app purchases.

### Is Mathify free?

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

### Do Duplicate Contacts Finder or Mathify have ads?

Neither Duplicate Contacts Finder nor Mathify shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*