# Contacts Backup & Sync vs TwinContacts

The clearest difference is in-app purchases: TwinContacts at none against Contacts Backup & Sync's 1. TwinContacts also leads on iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Contacts Backup & Sync sells 1 one-off in-app purchase. TwinContacts asks for nothing beyond the download.

## The numbers

| Metric | Contacts Backup & Sync | TwinContacts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 25 MB | 28 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Inventio](https://appshunter.io/developer/1803297182) | [Viktor Shcherbakov](https://appshunter.io/developer/1895823756) |

## What reviewers say

### Contacts Backup & Sync

[App page](https://appshunter.io/ios/app/contacts-backup-and-sync/id6753915065)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contact Backup & Sync Pro | $1.99 | one-time |


### TwinContacts

[App page](https://appshunter.io/ios/app/twincontacts/id6764562942)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Contacts Backup & Sync free?

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

### Is TwinContacts free?

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

### Do Contacts Backup & Sync or TwinContacts have ads?

Neither Contacts Backup & Sync nor TwinContacts shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*