# Portunus Digital Key vs Redwing NFC

Portunus Digital Key and Redwing NFC are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Portunus Digital Key | Redwing NFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/redwing-nfc/id6475635528/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | — | Free |
| Size | 3 MB | 45 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Servo IT Solutions OPC](https://appshunter.io/developer/1688162589) | [Redwing Technology, LLC](https://appshunter.io/developer/1687840974) |

## What reviewers say

### Portunus Digital Key

[App page](https://appshunter.io/ios/app/portunus-digital-key/id6449219130)

**Features:** macOS Compatibility

**In-app purchases:** none


### Redwing NFC

[App page](https://appshunter.io/ios/app/redwing-nfc/id6475635528)

This app allows you to read and write to NFC chips, enabling quick sharing of social media profiles, payment links, e-commerce stores, and contact information. It bridges the digital and physical worlds for both personal and professional use.

**Highlights:** NFC chip reading and writing, Social media profile linking, Payment platform integration, Linktree and Discord server links, E-commerce store links, vCard contact information sharing, Scan and read existing NFC chips

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Portunus Digital Key free?

Portunus Digital Key is free to download, with no in-app purchases.

### Is Redwing NFC free?

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

### Do Portunus Digital Key or Redwing NFC have ads?

Neither Portunus Digital Key nor Redwing NFC shows ads.

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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.*