# NFC21 Tools vs ETRNL Programmer

NFC21 Tools and ETRNL Programmer both sit at 4.8 stars, but that hides the real split: 100% of ETRNL Programmer's written reviews are positive against 57% of NFC21 Tools's. NFC21 Tools's advantage is ratings volume (32 vs 2). On price, rating, update cadence and ads there is nothing between them.

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

ETRNL Programmer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: NFC21 Tools has 32 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 57% of NFC21 Tools's written reviews are positive against 100% of ETRNL Programmer's.

NFC21 Tools ships an update every 2 months, ETRNL Programmer every 4 weeks. The most recent releases landed on July 6, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | NFC21 Tools | ETRNL Programmer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (32 ratings)](https://appshunter.io/ios/app/nfc21-tools/id1496636288/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/etrnl-programmer/id6478797077/reviews)** |
| Number of ratings | **32** | 2 |
| Positive reviews | 56.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 61 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NFC21 GmbH](https://appshunter.io/developer/787102532) | [Invisible Art, LLC](https://appshunter.io/developer/1439233274) |

## What reviewers say

### NFC21 Tools

[App page](https://appshunter.io/ios/app/nfc21-tools/id1496636288)

Explore NFC technology with an advanced yet user-friendly toolset. Read, write, and manage NFC tags with support for various data types, including URLs, contacts, and Wi-Fi credentials. Organize your scanned tags with filters and access detailed information.

**Highlights:** Read and write NFC tags, Manage tag history with filters, Create standard, extended, and expert tag types, Support for URL, Phone, Email, SMS, FaceTime, and Shortcuts, Advanced options for Text, Address, Position, Contact, and Wi-Fi, Define custom data types (MIME-Type), Share Bluetooth device IDs

**In-app purchases:** none


### ETRNL Programmer

[App page](https://appshunter.io/ios/app/etrnl-programmer/id6478797077)

This application allows users to program NTAG424 DNA NFC chips. It connects with the ETRNL platform to facilitate chip configuration.

**Highlights:** Program NTAG424 DNA NFC chips, Connects with ETRNL platform, Facilitates chip configuration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NFC21 Tools free?

NFC21 Tools is free to download, with no in-app purchases.

### Is ETRNL Programmer free?

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

### Which has better reviews, NFC21 Tools or ETRNL Programmer?

ETRNL Programmer is rated higher. NFC21 Tools averages 4.8 out of 5 from 32 ratings, while ETRNL Programmer averages 5.0 from 2 ratings.

### Do NFC21 Tools or ETRNL Programmer have ads?

Neither NFC21 Tools nor ETRNL Programmer shows ads.

### Which is updated more often, NFC21 Tools or ETRNL Programmer?

NFC21 Tools ships an update every 2 months, and ETRNL Programmer every 4 weeks. Most recently, NFC21 Tools was updated on July 6, 2026 and ETRNL Programmer on June 9, 2026.

---

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