# QR_RW vs SIDA Drive Controller

The clearest difference is update cadence: QR_RW at every 6 weeks against SIDA Drive Controller's every 4 months. QR_RW also leads on iOS requirement (15.6 vs 17.6). 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.

QR_RW ships an update every 6 weeks, SIDA Drive Controller every 4 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | QR_RW | SIDA Drive Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/qr-rw/id1143794744/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 4 MB | 16 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shinichi Aokawa](https://appshunter.io/developer/502862033) | [Autosoft Multimedia srl](https://appshunter.io/developer/784464890) |

## What reviewers say

### QR_RW

[App page](https://appshunter.io/ios/app/qr-rw/id1143794744)

Instantly read and write QR codes and various barcode formats. Supports flashlight for dark environments and a wide range of symbologies for both reading and writing.

**Highlights:** Read QR codes and barcodes, Write QR codes and CODE128 barcodes, Supports flashlight for dark reading, Reads multiple symbologies (PDF417, Aztec, etc.), Writes multiple symbologies (QR, CODE128)

**Features:** Vision Pro support

**In-app purchases:** none


### SIDA Drive Controller

[App page](https://appshunter.io/ios/app/sida-drive-controller/id1637093133)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is QR_RW free?

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

### Is SIDA Drive Controller free?

SIDA Drive Controller is free to download, with no in-app purchases.

### Do QR_RW or SIDA Drive Controller have ads?

Neither QR_RW nor SIDA Drive Controller shows ads.

### Which is updated more often, QR_RW or SIDA Drive Controller?

QR_RW ships an update every 6 weeks, and SIDA Drive Controller every 4 months. Most recently, QR_RW was updated on October 24, 2026 and SIDA Drive Controller on October 27, 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.*