Comparison

QR Scanner & PDF Maker vs KeyConfig

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

QR Scanner & PDF Maker

This utility app quickly scans QR codes and barcodes, generating them as needed. It also functions as a document scanner, converting scanned items into PDF files. Easily read various QR code types and create your own codes on the go.

Highlights
  • Fast QR code scanning
  • Barcode reading
  • QR code generation
  • Document scanning to PDF
  • Scan from images and gallery
  • Supports multiple QR code formats
Features
Read full description

QR Scanner & PDF Maker:- QR Scanner & PDF Maker is the fastest QR code scanner/bar code scanner out there. QR & Barcode Scanner is an essential QR reader, Document scanner, and PDF Maker. It is extremely easy to use, with quick scan built-in simply point QR code scanner to QR or barcode you want to scan and QR scanner will automatically start scanning and QR scan it. No need to press any buttons, take photos or adjust zoom as the barcode scanner works automatically. QR 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. QR Scanner app is also a QR/Bar code generator in your pocket. Using a QR generator is extremely easy to use, simply enter the data you wish on QR code and click to generate QR /Bar codes. QR Scanner app is also a document scanner. You can scan any type of document and convert it into PDF. Other functionality of QR Scanner: Create QR/Bar code, Scan QR/Bar code from the image, Scan QR/Bar from Gallery. Scan documents and make pdf. Thanks Privacy Policy - https://deepakjalwa0.blogspot.com/2025/04/privacy-policy.html Terms Of Use - https://deepakjalwa0.blogspot.com/2025/04/terms-of-use-1.html User Support / App Support https://deepakjalwa0.blogspot.com/2025/04/user-support.html

About

KeyConfig

Features
Read full description

Configure parameters for Bluetooth Low Energy devices via Bluetooth.

Screenshots

QR Scanner & PDF Maker4 screens
KeyConfig4 screens

Verdict

The call

The clearest difference is ads: KeyConfig at none against QR Scanner & PDF Maker's shown. KeyConfig also leads on update cadence (every 2 months vs every 42 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

QR Scanner & PDF Maker ships an update every 42 months, KeyConfig every 2 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 7 level
QR Scanner & PDF Maker versus KeyConfig: the parameters behind the verdict, then further details
ParameterQR Scanner & PDF MakerKeyConfig
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 42 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.615.6
Further details — not scored
Size6 MB51 MB
Age rating4+4+
DeveloperDeepak JalwaSHENZHEN KEYKING TECHNOLOGY CO.,LTD.

In-app purchases

None

QR Scanner & PDF Maker

No in-app purchases

None

KeyConfig

No in-app purchases

Questions

Is QR Scanner & PDF Maker free?
QR Scanner & PDF Maker is free to download, with no in-app purchases.
Is KeyConfig free?
KeyConfig is free to download, with no in-app purchases.
Do QR Scanner & PDF Maker or KeyConfig have ads?
QR Scanner & PDF Maker shows ads; KeyConfig does not.
Which is updated more often, QR Scanner & PDF Maker or KeyConfig?
QR Scanner & PDF Maker ships an update every 42 months, and KeyConfig every 2 months. Most recently, QR Scanner & PDF Maker was updated on October 30, 2026 and KeyConfig on October 24, 2026.

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