# CS108 RFID Reader vs NFC21 Reader

The clearest difference is rating: NFC21 Reader at 3.0 against CS108 RFID Reader's 2.8. CS108 RFID Reader's advantage is iOS requirement (11.0 vs 14.0). On price, ratings volume, 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.

NFC21 Reader holds the better App Store score, 3.0 against 2.8. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | CS108 RFID Reader | NFC21 Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (6 ratings)](https://appshunter.io/ios/app/cs108-rfid-reader/id1225904974/reviews) | **[3.0 (4 ratings)](https://appshunter.io/ios/app/nfc21-reader/id1293225257/reviews)** |
| Number of ratings | **6** | 4 |
| Positive reviews | — | 70.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | Free |
| Size | 51 MB | 3 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CSL](https://appshunter.io/developer/1225904973) | [NFC21 GmbH](https://appshunter.io/developer/787102532) |

## What reviewers say

### CS108 RFID Reader

[App page](https://appshunter.io/ios/app/cs108-rfid-reader/id1225904974)

This utility app demonstrates the capabilities of the CS108 RFID reader. Users can explore its functions and access the source code for further development on the developer's website.

**Highlights:** RFID reader function demonstration, Source code access, Utility for developers, Cross-device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### NFC21 Reader

[App page](https://appshunter.io/ios/app/nfc21-reader/id1293225257)

Easily read and interact with NFC tags. Scan tags to preview content and immediately perform actions like opening websites, adding contacts, or connecting to Wi-Fi. Supports various tag types for seamless interaction.

**Highlights:** Scan NFC tags, Preview tag content, Directly execute actions, Supports URL, VCard, WiFi, Text, GEO, Phone, Mail, SMS, Continuous improvement and new features, Simple and usable interface

**In-app purchases:** none


## Frequently asked questions

### Is CS108 RFID Reader free?

CS108 RFID Reader is free to download, with no in-app purchases.

### Is NFC21 Reader free?

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

### Which has better reviews, CS108 RFID Reader or NFC21 Reader?

NFC21 Reader is rated higher. CS108 RFID Reader averages 2.8 out of 5 from 6 ratings, while NFC21 Reader averages 3.0 from 4 ratings.

### Do CS108 RFID Reader or NFC21 Reader have ads?

Neither CS108 RFID Reader nor NFC21 Reader shows ads.

### Which is updated more often, CS108 RFID Reader or NFC21 Reader?

CS108 RFID Reader ships an update every 5 weeks, and NFC21 Reader every 5 weeks. Most recently, CS108 RFID Reader was updated on September 21, 2026 and NFC21 Reader on September 18, 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.*