# sync vs Contacts Sync

The clearest difference is rating: Contacts Sync at 4.5 against sync's 3.0. Contacts Sync also leads on ratings volume (25 vs 3). sync's advantage is iOS requirement (8.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. sync sells 1 one-off in-app purchase and Contacts Sync sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Contacts Sync holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Contacts Sync has 25 ratings behind it against 3, so its average is the more settled of the two.

sync ships an update every 2 months, Contacts Sync every 6 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | sync | Contacts Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/sync-contacts-backup-to-file/id904619817/reviews) | **[4.5 (25 ratings)](https://appshunter.io/ios/app/contacts-sync-for-google-gmail/id1644069886/reviews)** |
| Number of ratings | 3 | **25** |
| Positive reviews | 14.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 15 MB | 92 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [泽辉 王](https://appshunter.io/developer/892030257) | [Haresh Purbiya](https://appshunter.io/developer/1643672119) |

## What reviewers say

### sync

[App page](https://appshunter.io/ios/app/sync-contacts-backup-to-file/id904619817)

Safely back up and export your contacts to various file formats like Excel, PDF, or HTM. This app analyzes your contact list, helps merge duplicates, and cleans up missing information without uploading data to third-party servers.

**Highlights:** Backup and export contacts to CSV, HTM, or PDF, Import backup files from email or local storage, Intelligent contact list analysis with graphic display, Merge duplicate contacts, Clean up contacts with missing information, No third-party server uploads for enhanced security

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanently Remove ads | $1.99 | one-time |


### Contacts Sync

[App page](https://appshunter.io/ios/app/contacts-sync-for-google-gmail/id1644069886)

Easily back up, export, and restore your phone's contacts without a computer. This app helps you find and merge duplicate entries, ensuring your address book stays organized and secure. Supports multiple export formats and cloud storage options.

**Highlights:** Contact backup to secure cloud storage, Export contacts in VCF, XLS, CSV formats, Find and merge duplicate contacts, Restore contacts from backup files, Automatic daily, weekly, monthly backups, Export backups via third-party apps

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contact backup PRO - weekly | $1.99 | per 7 days |
| Contact backup PRO - Monthly | $4.99 | per month |
| Contact backup PRO - Yearly | $19.99 | per year |


## Frequently asked questions

### Is sync free?

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

### Is Contacts Sync free?

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

### Which has better reviews, sync or Contacts Sync?

Contacts Sync is rated higher. sync averages 3.0 out of 5 from 3 ratings, while Contacts Sync averages 4.5 from 25 ratings.

### Do sync or Contacts Sync have ads?

Both sync and Contacts Sync show ads.

### Which is updated more often, sync or Contacts Sync?

sync ships an update every 2 months, and Contacts Sync every 6 weeks. Most recently, sync was updated on October 23, 2026 and Contacts Sync on October 24, 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.*