# Contacts Sync vs Cleanup Duplicate Contacts!

The clearest difference is in-app purchases: Cleanup Duplicate Contacts! at none against Contacts Sync's 7. Contacts Sync's advantage is update cadence (every 5 days vs every 2 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Contacts Sync sells 7 in-app purchases, starting at $1.99 per 7 days. Cleanup Duplicate Contacts! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Contacts Sync against 4.5 for Cleanup Duplicate Contacts!. Both are backed by a comparable volume of ratings — 15K and 8.8K respectively. Written reviews are what separate them: 80% of Contacts Sync's written reviews are positive against 83% of Cleanup Duplicate Contacts!'s.

Contacts Sync ships an update every 5 days, Cleanup Duplicate Contacts! every 2 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Contacts Sync | Cleanup Duplicate Contacts! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (15K ratings)](https://appshunter.io/ios/app/contacts-sync-google-and-more/id454390333/reviews)** | [4.5 (8.8K ratings)](https://appshunter.io/ios/app/cleanup-duplicate-contacts/id513670485/reviews) |
| Number of ratings | **15K** | 8.8K |
| Positive reviews | 80.0% of reviews | **83.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 25 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Playa Apps](https://appshunter.io/developer/449814913) | [Business Contacts Solutions, LLC](https://appshunter.io/developer/675697151) |

## What reviewers say

### Contacts Sync

[App page](https://appshunter.io/ios/app/contacts-sync-google-and-more/id454390333)

Effortlessly synchronize your contacts across Google, Outlook, and iPhone. This reliable app ensures your contact information is up-to-date everywhere with 2-way syncing and support for all contact fields and photos.

**Highlights:** 2-way contact synchronization, Sync Google, Outlook, and iPhone accounts, Syncs all contact fields and photos, Automatic background syncing, Group and custom label synchronization, Duplicate contact elimination

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 Week) | $1.99 | per 7 days |
| Premium (1 Month) | $2.99 | per month |
| Premium (1 Year) | $9.99 | per year |
| Automatic Contact Syncing | Free | one-time |
| Make Contribution | $4.99 | one-time |
| Make Larger Contribution | $9.99 | one-time |
| Premium (Lifetime Access) | $11.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and efficient
- 💡 Useful for syncing contacts across devices
- 🔒 Reliable and secure
- 🙌 Great customer support

**What reviewers complain about**

- 🐛 Occasional sync issues
- 💰 Paid subscription required for more than 40 contacts
- 🔄 Confusion around syncing and merging contacts
- 🤔 Inconsistent contact formatting after sync

**Reported bugs**

- Deleted contacts reappearing after sync
- Sync corrupting or deleting existing contact data

**Requested features**

- Ability to merge duplicate contacts
- Sync support for Outlook contacts
- Automatic sync between multiple Google accounts
- Undo/rollback option for sync operations


### 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


## Frequently asked questions

### Is Contacts Sync free?

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

### Is Cleanup Duplicate Contacts! free?

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

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

Contacts Sync is rated higher. Contacts Sync averages 4.6 out of 5 from 15K ratings, while Cleanup Duplicate Contacts! averages 4.5 from 8.8K ratings.

### Do Contacts Sync or Cleanup Duplicate Contacts! have ads?

Neither Contacts Sync nor Cleanup Duplicate Contacts! shows ads.

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

Contacts Sync ships an update every 5 days, and Cleanup Duplicate Contacts! every 2 months. Most recently, Contacts Sync was updated on November 6, 2026 and Cleanup Duplicate Contacts! on November 6, 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.*