# Contacts Sync vs UnitWise

The clearest difference is ads: UnitWise at none against Contacts Sync's shown. Contacts Sync's advantage is iOS requirement (15.0 vs 17.6). On price, in-app purchases 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 and UnitWise sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Contacts Sync | UnitWise |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 21 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Haresh Purbiya](https://appshunter.io/developer/1643672119) | [RUEBEN ANSOLIWEN AKANKOBATENG](https://appshunter.io/developer/1880083403) |

## 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 |


### UnitWise

[App page](https://appshunter.io/ios/app/unitwise-unit-converter/id6761335169)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All access monthly | $3.99 | per month |
| All access yearly | $14.99 | per year |
| All access Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Contacts Sync free?

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

### Is UnitWise free?

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

### Do Contacts Sync or UnitWise have ads?

Contacts Sync shows ads; UnitWise does not.

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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.*