# Contacts Sync, Backup & Clean vs Genu.ID

The clearest difference is in-app purchases: Genu.ID at none against Contacts Sync, Backup & Clean's 3. Genu.ID also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.6). Contacts Sync, Backup & Clean's advantage is update cadence (every 10 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Contacts Sync, Backup & Clean sells 3 one-off in-app purchases. Genu.ID asks for nothing beyond the download.

Contacts Sync, Backup & Clean ships an update every 10 days, Genu.ID every 3 weeks. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Contacts Sync, Backup & Clean | Genu.ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (77 ratings)](https://appshunter.io/ios/app/contacts-sync-backup-and-clean/id624985840/reviews)** | — |
| Number of ratings | **77** | — |
| Positive reviews | 45.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 48 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [峥 俞](https://appshunter.io/developer/1500529302) | [Total Mediagram Co., Ltd.](https://appshunter.io/developer/393091801) |

## What reviewers say

### Contacts Sync, Backup & Clean

[App page](https://appshunter.io/ios/app/contacts-sync-backup-and-clean/id624985840)

Effortlessly sync, back up, and clean your iPhone contacts with cloud services like Google, Outlook, and Yahoo. Easily export contacts to Excel or vCard, and import them back into your address book. The app intelligently merges duplicates to maintain a tidy contact list.

**Highlights:** Two-way sync with Google, Outlook, Yahoo, Backup contacts to Excel or vCard, Import contacts from Excel or vCard, Sync contacts between multiple devices/platforms, Intelligent duplicate contact merging, Clean and intuitive interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Merge Duplicate Contacts | $2.99 | one-time |
| Backup Contacts Pro | $2.99 | one-time |
| Google Contacts Sync Pro Edition | $3.99 | one-time |


### Genu.ID

[App page](https://appshunter.io/ios/app/genuid/id6759088961)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contacts Sync, Backup & Clean free?

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

### Is Genu.ID free?

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

### Do Contacts Sync, Backup & Clean or Genu.ID have ads?

Contacts Sync, Backup & Clean shows ads; Genu.ID does not.

### Which is updated more often, Contacts Sync, Backup & Clean or Genu.ID?

Contacts Sync, Backup & Clean ships an update every 10 days, and Genu.ID every 3 weeks. Most recently, Contacts Sync, Backup & Clean was updated on October 23, 2026 and Genu.ID on October 21, 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.*