# Cleanup Duplicate Contacts! vs PDF Indexer

The clearest difference is rating: PDF Indexer at 5.0 against Cleanup Duplicate Contacts!'s 4.5. PDF Indexer also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (16.4 vs 18.6). Cleanup Duplicate Contacts!'s advantage is ads (none vs shown) and ratings volume (8.7K vs 2). On price, 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.

PDF Indexer holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Cleanup Duplicate Contacts! has 8.7K ratings behind it against 2, so its average is the more settled of the two.

Cleanup Duplicate Contacts! ships an update every 2 months, PDF Indexer every 2 days. The most recent releases landed on October 28, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Cleanup Duplicate Contacts! | PDF Indexer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (8.7K ratings)](https://appshunter.io/ios/app/cleanup-duplicate-contacts/id513670485/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdf-indexer/id6799589624/reviews)** |
| Number of ratings | **8.7K** | 2 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Free** | Ad-supported |
| Size | 25 MB | 53 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Business Contacts Solutions, LLC](https://appshunter.io/developer/675697151) | [MATTHEW BYONG BAE](https://appshunter.io/developer/6776132813) |

## What reviewers say

### Cleanup Duplicate Contacts!

[App page](https://appshunter.io/ios/app/cleanup-duplicate-contacts/id513670485)

This app automatically finds and merges duplicate contacts in your address book. It offers customizable matching levels and provides detailed reports. The app also suggests contact updates using AI and can capture new contacts from email signatures.

**Highlights:** Instant duplicate contact cleanup, Customizable merge levels, Automatic contact update suggestions, Email signature contact capture, Manages multiple contact sources, Backup and restore contacts

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick and efficient
- 👍 Easy to use
- 👍 Seamless operation
- 👍 Straightforward
- 👍 Effective

**What reviewers complain about**

- 🐛 Crashes
- 🐛 Deleted contacts
- 🐛 Unreliable
- 🐛 Didn't merge all duplicates
- 🔒 Privacy concerns about data sharing

**Reported bugs**

- Crashes during merging process
- Inconsistent behavior when re-merging contacts
- Deleting or losing contact information

**Requested features**

- Option to move contacts between groups
- Ability to select all backup contacts for deletion
- Improved backup and restore functionality


### PDF Indexer

[App page](https://appshunter.io/ios/app/pdf-indexer/id6799589624)

This app creates fast navigation for PDFs by turning title-to-page mappings into searchable indexes. It allows you to import mappings from various file formats and opens directly to the mapped page within the PDF. All data is stored locally on your device for privacy.

**Highlights:** Search across multiple indexed PDFs, Exact, prefix, substring, and alias matching, Jump directly to mapped pages, Import mappings from CSV, JSON, XLSX, and text, Page-offset calibration, Mapping correction and export, Local-first data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is Cleanup Duplicate Contacts! free?

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

### Is PDF Indexer free?

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

### Which has better reviews, Cleanup Duplicate Contacts! or PDF Indexer?

PDF Indexer is rated higher. Cleanup Duplicate Contacts! averages 4.5 out of 5 from 8.7K ratings, while PDF Indexer averages 5.0 from 2 ratings.

### Do Cleanup Duplicate Contacts! or PDF Indexer have ads?

PDF Indexer shows ads; Cleanup Duplicate Contacts! does not.

### Which is updated more often, Cleanup Duplicate Contacts! or PDF Indexer?

Cleanup Duplicate Contacts! ships an update every 2 months, and PDF Indexer every 2 days. Most recently, Cleanup Duplicate Contacts! was updated on October 28, 2026 and PDF Indexer on October 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.*