# Contacts Sync vs OmniKit

The clearest difference is in-app purchases: OmniKit at none against Contacts Sync's 3. OmniKit also leads on ads (none vs shown) and update cadence (every 4 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Contacts Sync sells 3 in-app purchases, starting at $1.99 per 7 days. OmniKit asks for nothing beyond the download.

Contacts Sync ships an update every 6 weeks, OmniKit every 4 days. The most recent releases landed on September 27, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Contacts Sync | OmniKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/contacts-sync-for-google-gmail/id1644069886/reviews)** | — |
| Number of ratings | **20** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 41 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haresh Purbiya](https://appshunter.io/developer/1643672119) | [Greater Works Technologies](https://appshunter.io/developer/1682020192) |

## What reviewers say

### 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 |


### OmniKit

[App page](https://appshunter.io/ios/app/omnikit/id6772806352)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contacts Sync free?

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

### Is OmniKit free?

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

### Do Contacts Sync or OmniKit have ads?

Contacts Sync shows ads; OmniKit does not.

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

Contacts Sync ships an update every 6 weeks, and OmniKit every 4 days. Most recently, Contacts Sync was updated on September 27, 2026 and OmniKit on September 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.*