# MASTERBLOCK vs Contacts Transfer & Backup Pro

The clearest difference is ads: MASTERBLOCK at none against Contacts Transfer & Backup Pro's shown. Contacts Transfer & Backup Pro's advantage is update cadence (monthly vs every 11 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MASTERBLOCK ships an update every 11 months, Contacts Transfer & Backup Pro monthly. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | MASTERBLOCK | Contacts Transfer & Backup Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (498 ratings)](https://appshunter.io/ios/app/contacts-transfer-and-backup-pro/id1589611375/reviews)** |
| Number of ratings | — | **498** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 8 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cryptolex SA](https://appshunter.io/developer/502581123) | [DUSKBAY LLC](https://appshunter.io/developer/1649071166) |

## What reviewers say

### MASTERBLOCK

[App page](https://appshunter.io/ios/app/masterblock/id1446960356)

**Features:** macOS Compatibility

**In-app purchases:** none


### Contacts Transfer & Backup Pro

[App page](https://appshunter.io/ios/app/contacts-transfer-and-backup-pro/id1589611375)

Easily manage and transfer your contacts with one-click sharing and automatic backups. Securely store your data in iCloud for access across all your devices.  Enjoy a user-friendly and reliable contact management experience.

**Highlights:** One-click contact transfer, Automatic contact backups, iCloud integration, User-friendly interface, Cross-platform accessibility

**In-app purchases:** none


## Frequently asked questions

### Is MASTERBLOCK free?

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

### Is Contacts Transfer & Backup Pro free?

Contacts Transfer & Backup Pro is free to download, with no in-app purchases.

### Do MASTERBLOCK or Contacts Transfer & Backup Pro have ads?

Contacts Transfer & Backup Pro shows ads; MASTERBLOCK does not.

### Which is updated more often, MASTERBLOCK or Contacts Transfer & Backup Pro?

MASTERBLOCK ships an update every 11 months, and Contacts Transfer & Backup Pro monthly. Most recently, MASTERBLOCK was updated on October 29, 2026 and Contacts Transfer & Backup Pro 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.*