# ZD Contagem vs NFC Reader

The clearest difference is in-app purchases: ZD Contagem at none against NFC Reader's 2. ZD Contagem also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.6). NFC Reader's advantage is update cadence (fortnightly vs every 7 months). On price and device support there is nothing between them.

Both are free to download. NFC Reader sells 2 in-app purchases, starting at $12.99 per 7 days. ZD Contagem asks for nothing beyond the download.

ZD Contagem ships an update every 7 months, NFC Reader fortnightly. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ZD Contagem | NFC Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/nfc-reader-wallet-card/id6778759720/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 48 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Zero Dezoito Sistemas](https://appshunter.io/developer/1612869273) | [Mayur Sutariya](https://appshunter.io/developer/1824431483) |

## What reviewers say

### ZD Contagem

[App page](https://appshunter.io/ios/app/zd-contagem/id6748156698)

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

**In-app purchases:** none


### NFC Reader

[App page](https://appshunter.io/ios/app/nfc-reader-wallet-card/id6778759720)

This app reads and writes NFC tags, scans QR codes and barcodes, and generates authentication codes. It keeps a history of all your scans and managed codes for easy access.

**Highlights:** NFC tag reader and writer, QR code and barcode scanner, Built-in authenticator for verification codes, Scan history management, Create custom NFC records, Generate time-based verification codes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $12.99 | per 7 days |
| Monthly Premium | $39.99 | per month |


## Frequently asked questions

### Is ZD Contagem free?

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

### Is NFC Reader free?

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

### Do ZD Contagem or NFC Reader have ads?

NFC Reader shows ads; ZD Contagem does not.

### Which is updated more often, ZD Contagem or NFC Reader?

ZD Contagem ships an update every 7 months, and NFC Reader fortnightly. Most recently, ZD Contagem was updated on October 30, 2026 and NFC Reader on November 4, 2026.

---

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