QR Code & Barcode Reader © vs Engine Builder Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QR Code & Barcode Reader ©
This app quickly scans and reads all types of QR codes and barcodes. It also functions as a QR code generator for various data types and allows for price comparison of product barcodes. No internet connection is needed for scanning.
- Fastest QR code and barcode scanning
- QR code and barcode generator
- Supports all QR and barcode formats
- Scan history saved
- No internet connection required
- Add codes to favorites
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The fastest QR code reader and Barcode scanner. QR & Barcode Scanner app is the fastest QR code scanner / bar code scanner out there. QR & Barcode Scanner is an essential QR reader for every iOS devices. QR & Barcode Scanner can scan and read all QR codes / barcode types including text, url, ISBN, product, contact, calendar, email, location, Wi-Fi and many more formats. After scan and automatic decoding user is provided with only the relevant options for individual QR or Barcode type and can take appropriate action. QR code scanner, barcode scanner app is also QR code generator in your pocket. Using QR generator is extremely easy to use, simply enter the data you wish on QR code and click to generate QR codes. With barcode reader app you can also scan product barcodes. Scan with bar code reader in shops and compare prices with online prices to save money. QR & Barcode Scanner app is the only free QR code reader / barcode scanner you will ever need. List of Amazing Features of QR & Barcode Scanner app: 1. Fastest QR code & Barcode scan 2. Add QR code & Barcode to Favourite 3. Code Generator: - generate code for Website, Wi-Fi, Events, Contacts, Telephone, etc... - generate code for Social network like: Twitter, Facebook, Telegram, etc... - generate Barcode and 2D codes: PDF 147, EAN 8, Code 39, IFT, UPC A, etc... 4. Support all QR & barcode formats 5. All scan history will be saved 6. No internet connection required The simplest QR reader for free. It can scan QR code automatically and create your own QR codes. Download the QR reader app now. Links to our Terms of Service and Privacy Policy can be found below https://sites.google.com/view/btb-ios-group/ ToS: https://sites.google.com/view/btb-ios-group-tos/
Engine Builder Pro
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Engine Builder Pro brings engine build records and practical workshop calculators together in one place. Create detailed customer build sheets, store measurements and component specifications, attach build photos, generate PDF reports and keep portable backups. Calculators can use values from the current job, reducing repeated entry and helping keep calculations connected to the build being assembled. Workshop tools include: • Static and dynamic compression calculations • Target compression and engine stack-up solving • Piston-to-valve clearance visualisation • Cam degree and valve-train setup tools • Carburettor sizing with camshaft inputs • Ring-gap, rod-ratio, head-porting and measurement calculators • Job-linked build checks and missing-input guidance • PDF build sheets, photos and portable backups Cam-card details are entered manually, keeping the recorded figures under the builder's direct control. Engine Builder Pro is intended as a recordkeeping and calculation aid for knowledgeable engine builders. Users remain responsible for checking measurements, inputs, component instructions and final assembly decisions.
Screenshots
Verdict
The clearest difference is in-app purchases: Engine Builder Pro at none against QR Code & Barcode Reader ©'s 9. Engine Builder Pro also leads on update cadence (every 2 days vs every 2 months). On price, ads, 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. QR Code & Barcode Reader © sells 9 in-app purchases, starting at $1.99 per 7 days. Engine Builder Pro asks for nothing beyond the download.
QR Code & Barcode Reader © ships an update every 2 months, Engine Builder Pro every 2 days. The most recent releases landed on October 30, 2026 and October 5, 2026 respectively.
| Parameter | QR Code & Barcode Reader © | Engine Builder Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (241 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 241 — better | — |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 90 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | BTB Tech, Inc | Gemma Beames |
In-app purchases
QR Code & Barcode Reader ©
- Weekly (Big Sale)3 Days trial$1.997 Days
- QR Scanner Weekly 30% Off3 Days trial$3.997 Days
- QR Scanner Premium Weekly3 Days trial$5.997 Days
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- Yearly (Big Sale)3 Days trial$19.991 Year
- QR Scanner Yearly 30% Off3 Days trial$24.991 Year
- QR Scanner Premium Yearly3 Days trial$34.991 Year
- Premium Membership$0.69
- Premium Membership (Big Sale)$29.99
- QR Scanner Premium Lifetime$49.99
Engine Builder Pro
No in-app purchases
Questions
Is QR Code & Barcode Reader © free?
Is Engine Builder Pro free?
Do QR Code & Barcode Reader © or Engine Builder Pro have ads?
Which is updated more often, QR Code & Barcode Reader © or Engine Builder Pro?
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