Comparison

Converter vs ManageQrCode

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

Head to head
About

Converter

This app offers a comprehensive unit and hardness conversion tool with an easy-to-use interface. It includes currency conversion with updated exchange rates, over 300 engineering and scientific units, and a specialized hardness converter. Additional features like timezone conversion, pace calculation, and a standard calculator enhance its utility.

Highlights
  • Currency converter with live exchange rates
  • Over 300 engineering and scientific units
  • Specialized hardness converter
  • Timezone conversion
  • Running pace calculator
  • Integrated standard calculator
  • Conversion history log
Features
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Trelleborg’s “Unit and Hardness Converter” converts a comprehensive list of units (incl. currencies) in an easy way. In addition, the app has a set of other useful features on board, like timezone conversion, percentage calculations, a running pace calculator and more What our users say: “Have been using it forever, never tried other converter as this one does the job perfectly” - Lazareth_fr “Fabulous resource, but also a functional masterpiece!” -Otto. “This is needed by all engineers. So simple and easy to use” -JLa03.   FEATURES • Easy-to-use interface • Currency converter with in-app exchange rate update functionality • Over 300 engineering and scientific conversion units in 32 categories • Hardness converter with 16 conversion tables based on ASTM E140-07 and ISO-18265 for quick conversion between different scales • Video library: features the extensive Trelleborg Sealing Solutions YouTube library • Toggle between units • Switch between dark and white theme • Conversion history log • Create favorite lists • Standard calculator integrated with unit converter DIMENSIONS • Area • Currency • Current • Data • Density • Distance • Dynamic Viscosity • Energy • Force • Frequency • Kinematic Viscosity • Moment of inertia • Power • Prefixes • Pressure • Speed • Strength • Temperature • Time • Torque • Volume • Weight • Fuel Consumption • Glucose • Vacuum • Numbers • Illumination • Radioactivity • Radiation (absorbed) • Angles • Volume Flow Rate • Calorie • Metric Prefixes • Typography • Electric Charge OTHER MISCELLANEOUS CATEGORIES • Timezone conversion • Clothing sizes / Shoe sizes • International power plugs • Running pace calculator • Percentage calculator • Pace • Hex, Binary, Decimal • BMI (metric/inch) HARDNESS SCALES INCLUDED • Rockwell (HRC, HRA, HRD, HRF, HRG, HRE, HR-15-N, HR-30N, HR-45-N, HR45-T, HR-15T, HR-30T, HR45-T) • Brinell (HBW, HBS) • Vickers (HV, • Knoop (HK) The app is available in English, German and Chinese languages. Download now or contact us with any questions.

About

ManageQrCode

Easily scan, create, and organize QR codes with advanced customization. Generate codes for text, URLs, WiFi, contacts, emails, SMS, and locations. Track usage statistics and add a home screen widget for quick access.

Highlights
  • Scan QR codes and barcodes
  • Create QR codes for various data types
  • Customize QR code appearance with colors and logos
  • Organize scanned and generated codes
  • Track QR code usage statistics
  • Home screen widget for quick access
Features
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Definitive QR Code is the ultimate tool for managing your QR codes on iOS. Designed with a modern and intuitive interface, it allows you to scan, create, and organize QR codes in seconds with advanced customization options. Create QR codes for any need: Plain text and web URLs. Quick connections to WiFi networks without typing passwords manually. Complete vCard contact cards with name, phone number, and email. Pre-filled emails with subject and message body. Fast SMS messages ready to be sent. Geolocation coordinates complete with latitude and longitude. Premium Customization: Choose flat colors or design unique gradients with customizable color endpoints. Overlay your company logo or a custom photo in the center of the QR code with a real-time live preview. Adjust the error correction level to ensure your QR code remains readable under any condition. Smart Scanning and History: Point your camera at QR codes or analyze images directly from your photo library. Automatic web link detection with a quick button to open URLs instantly in Safari. Copy scanned text to your system clipboard with a single tap. Organized history tabs to quickly retrieve generated, scanned, or image-detected codes. Save your generated codes directly to your Photo Library or share them via email, messages, and social media. New Tracking and Access Features: View detailed usage statistics through elegant charts showing your weekly scan and generation volumes. Add the new widget to your iPhone Home Screen to display your last created QR code and jump straight to scanning. The app respects your privacy, requests permissions only when strictly necessary, and is optimized to ensure maximum smoothness and stability on all compatible devices.

Screenshots

Converter4 screens
ManageQrCode4 screens

Verdict

The call

The clearest difference is ads: Converter at none against ManageQrCode's shown. Converter also leads on ratings volume (897 vs 1) and update cadence (every 2 months vs every 7 months). On price, rating, in-app purchases and device support 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Converter against 5.0 for ManageQrCode. That said, the two scores are not equally well evidenced: Converter has 897 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Converter ships an update every 2 months, ManageQrCode every 7 months. The most recent releases landed on September 21, 2026 and July 9, 2026 respectively.

Scorecard5 real differences · 5 level
Converter versus ManageQrCode: the parameters behind the verdict, then further details
ParameterConverterManageQrCode
PriceFreeFree
Rating4.9 (897 ratings)5.0 (1 ratings) — better
Positive reviews96.0% of reviews—
Number of ratings897 — better1
Update frequencyEvery 2 months — betterEvery 7 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better26.0
Further details — not scored
Size37 MB4 MB
Age rating12+4+
DeveloperTrelleborg Sealing Solutionsfabrizio chimienti

Customer experience

Converter

All ratings897 ratings
Positive98.1%
Neutral1.3%
Negative0.6%
Written reviews225 reviews
Positive96.0%
Neutral2.2%
Negative1.8%

ManageQrCode

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Converter

Reported bugs

2 issues
  • Occasional crashes on startup for non-English/German users
  • Conversion from meters to feet does not show inches

Requested features

3 requests
  • Add fuel efficiency conversions
  • Allow users to set favorite conversions as default
  • Improve currency conversion rate updates

ManageQrCode

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Converter

No in-app purchases

None

ManageQrCode

No in-app purchases

Questions

Is Converter free?
Converter is free to download, with no in-app purchases.
Is ManageQrCode free?
ManageQrCode is free to download, with no in-app purchases.
Which has better reviews, Converter or ManageQrCode?
ManageQrCode is rated higher. Converter averages 4.9 out of 5 from 897 ratings, while ManageQrCode averages 5.0 from 1 ratings.
Do Converter or ManageQrCode have ads?
ManageQrCode shows ads; Converter does not.
Which is updated more often, Converter or ManageQrCode?
Converter ships an update every 2 months, and ManageQrCode every 7 months. Most recently, Converter was updated on September 21, 2026 and ManageQrCode on July 9, 2026.

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