# CS108 RFID Reader vs BU01 Reader

The clearest difference is update cadence: CS108 RFID Reader at every 5 weeks against BU01 Reader's every 2 months. BU01 Reader's advantage is iOS requirement (9.0 vs 11.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CS108 RFID Reader ships an update every 5 weeks, BU01 Reader every 2 months. The most recent releases landed on June 5, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | CS108 RFID Reader | BU01 Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (6 ratings)](https://appshunter.io/ios/app/cs108-rfid-reader/id1225904974/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 51 MB | 1 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CSL](https://appshunter.io/developer/1225904973) | [育明 李](https://appshunter.io/developer/572761656) |

## 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


### BU01 Reader

[App page](https://appshunter.io/ios/app/bu01-reader/id1435757804)

**Features:** macOS Compatibility

**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 BU01 Reader free?

BU01 Reader is free to download, with no in-app purchases.

### Do CS108 RFID Reader or BU01 Reader have ads?

Neither CS108 RFID Reader nor BU01 Reader shows ads.

### Which is updated more often, CS108 RFID Reader or BU01 Reader?

CS108 RFID Reader ships an update every 5 weeks, and BU01 Reader every 2 months. Most recently, CS108 RFID Reader was updated on June 5, 2026 and BU01 Reader on September 9, 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.*