# Contacts 4.0 vs NFC Write Pro

The clearest difference is in-app purchases: Contacts 4.0 at none against NFC Write Pro's 3. NFC Write Pro's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. NFC Write Pro sells 3 in-app purchases, starting at $0.99 per 7 days. Contacts 4.0 asks for nothing beyond the download.

## The numbers

| Metric | Contacts 4.0 | NFC Write Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/contacts-40/id1661590036/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 6 days |
| Monetization | Ad-supported | — |
| Size | 7 MB | 21 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Khang Le](https://appshunter.io/developer/1586441429) | [鹏宇 王](https://appshunter.io/developer/1542327123) |

## What reviewers say

### Contacts 4.0

[App page](https://appshunter.io/ios/app/contacts-40/id1661590036)

Easily back up and restore all your contacts with a single touch. Share contacts via QR code or email, and find and remove duplicate entries. This utility works completely offline.

**Highlights:** Offline backup and restore, Single-touch backup, Email vCard attachment, QR code contact sharing, Find and remove duplicates

**Features:** macOS Compatibility

**In-app purchases:** none


### NFC Write Pro

[App page](https://appshunter.io/ios/app/nfc-write-pro/id6471482253)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NFC Write Pro Weekly Subscription | $0.99 | per 7 days |
| NFC Write Pro Monthly Subscription | $2.99 | per month |
| NFC Write Pro Yearly Subscription | $9.99 | per year |


## Frequently asked questions

### Is Contacts 4.0 free?

Contacts 4.0 is free to download, with no in-app purchases.

### Is NFC Write Pro free?

NFC Write Pro is free to download, with in-app purchases available.

### Do Contacts 4.0 or NFC Write Pro have ads?

Contacts 4.0 shows ads; NFC Write Pro 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.*