# Li Think vs Contacts Duplicates Cleaner

The clearest difference is price: Li Think at Free against Contacts Duplicates Cleaner's $0.99. Li Think also leads on iOS requirement (13.0 vs 16). Contacts Duplicates Cleaner's advantage is chart position (#177 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Li Think is free to download; Contacts Duplicates Cleaner costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Li Think | Contacts Duplicates Cleaner |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | — | Paid |
| Best chart rank | — | **#177** |
| Size | 51 MB | 3 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | +4 |
| Developer | [Shenzhen Lithink Times Technology Co., Ltd.](https://appshunter.io/developer/1852462023) | [EyeOS Store Inc.](https://appshunter.io/developer/1036418634) |

## What reviewers say

### Li Think

[App page](https://appshunter.io/ios/app/li-think/id6747650735)

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

**In-app purchases:** none


### Contacts Duplicates Cleaner

[App page](https://appshunter.io/ios/app/contacts-duplicates-cleaner/id6752536251)

**Currently charting:** #177 Top Paid · Utilities (US App Store)

Effortlessly organize your address book by finding and removing duplicate contacts. This app scans your device locally, groups matches by email, phone, or name, and allows you to selectively delete extras with a single tap. Your data remains private and on-device.

**Highlights:** Local duplicate scanning, Accurate contact grouping, Selective deletion, On-device processing, Undo-proof workflow, Works with multiple accounts

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

**In-app purchases:** none


## Frequently asked questions

### Is Li Think free?

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

### Is Contacts Duplicates Cleaner free?

Contacts Duplicates Cleaner costs $0.99, with no in-app purchases.

### Do Li Think or Contacts Duplicates Cleaner have ads?

Neither Li Think nor Contacts Duplicates Cleaner 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.*