QR BAR Code Reader (Maker) vs BlueIODevin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QR BAR Code Reader (Maker)
This utility app quickly scans QR codes using your device's camera. It automatically recognizes codes to direct you to websites, display text, or show phone numbers. The scanner works without requiring manual clicks.
- Automatic QR code scanning
- Website redirection
- Text and phone number display
- Camera-based recognition
- QR code creation
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QR code scanner application. Run the QR code reader and aim at the QR code mark. Once you recognize the QR code, you will be taken to that web page. If the QR code is plain text or phone number information, it will show the QR code text and phone number information. When you aim at the QR mark, the camera will automatically scan and read the QR mark without clicking or needing it. QR Code Reader (Reader) Please use the application well.
BlueIODevin
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The BlueIODevin is an iOS app that works with the BlueIO832Mini board which acts as a device interface. The BlueIODevin app pairs with a BlueIO832Mini board (via Bluetooth), which connects to an I2C (or SPI) device. After pairing, the BlueIODevin app allows mobile users to read/write data from/to the remote I2C (or SPI) device in a specific address (in hex value). The BlueIODevin app and BlueIO832Mini board are the products of I-SYST Inc.
Screenshots
Verdict
The clearest difference is ads: BlueIODevin at none against QR BAR Code Reader (Maker)'s shown. QR BAR Code Reader (Maker)'s advantage is update cadence (every 6 weeks vs every 28 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
QR BAR Code Reader (Maker) ships an update every 6 weeks, BlueIODevin every 28 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.
| Parameter | QR BAR Code Reader (Maker) | BlueIODevin |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (21 ratings) — better | — |
| Number of ratings | 21 — better | — |
| Update frequency | Every 6 weeks — better | Every 28 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 7 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | EONSOFT | i-SYST |
In-app purchases
QR BAR Code Reader (Maker)
No in-app purchases
BlueIODevin
No in-app purchases
Questions
Is QR BAR Code Reader (Maker) free?
Is BlueIODevin free?
Do QR BAR Code Reader (Maker) or BlueIODevin have ads?
Which is updated more often, QR BAR Code Reader (Maker) or BlueIODevin?
Other comparisons
