Comparison

PixelQR Scan vs Unit Converter & Dictionary

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

Head to head
About

PixelQR Scan

Easily scan QR codes and barcodes from your camera or photos. Create custom codes for various content types, style them, and manage your history. Offers quick actions and local data storage for privacy.

Highlights
  • QR code and barcode scanning
  • Image-based code recognition
  • QR code creation
  • Styled code output
  • Local history and export
  • Home Screen quick actions
Features
Read full description

PixelQR Scan is a focused QR and barcode utility for everyday code scanning, creation, and organization. Scan QR codes and common barcodes with the camera, or choose an image from your photo library. Create codes for websites, Wi-Fi, text, contacts, SMS, phone numbers, email, locations, and barcodes. Generated codes can be styled with simple color options, saved as images, shared, or kept in local history. PixelQR Scan also includes Home Screen quick actions, smooth edge-swipe back navigation, a local history dashboard, scanned/created filters, and CSV or JSON export for users who want to keep their code records organized. Key features: • QR code and barcode scanning • Image-based code recognition • QR code creation for common content types • Code 128 barcode generation • Styled QR and barcode output • Home Screen quick actions for fast access • Smooth iOS-style edge-swipe back navigation • Local scan and creation history • History statistics and export • No account required • No tracking All scan and creation records are stored locally on your device unless you choose to share or export them.

About

Unit Converter & Dictionary

This app offers comprehensive unit conversion across numerous categories, including specialized and traditional units. It also functions as a dictionary, explaining unit meanings, pronunciations, and providing fun facts. Real-time currency conversion is available, with an optional premium plan for AI assistance and ad removal.

Highlights
  • Extensive unit conversion categories
  • Unit dictionary with pronunciation and facts
  • Real-time currency conversion
  • Offline conversion capabilities
  • AI support for app usage (Premium)
  • Traditional and specialized unit support
Features
Read full description

An app that both converts units and works as a dictionary explaining what each unit means. Useful for everything from converting units in class to checking currency before a trip abroad. ■ A wide range of conversion categories • Length, area, volume, mass, speed, temperature, angle, pressure, energy, power, force, density, fuel economy, data size, and more • Includes lesser-known units too — traditional Japanese units, imperial units, nautical miles, carats, horsepower ■ Unit dictionary • Search across unit names, aliases, and symbols • Look up how a unit is pronounced, its rough scale, and fun facts • Jump straight from a search result into conversion mode ■ Currency conversion • Real-time currency conversion using up-to-date exchange rates ■ Built to be easy • Conversion and dictionary lookups work entirely on your device (only currency conversion needs a connection, to fetch exchange rates) ■ AI support (Premium) • Ask about units and conversion settings. Supported controls help prepare conversion; results are calculated by the app, not generated by AI. ■ Premium plan • AI help with app usage and supported actions • Up to 30 successful external AI responses per app and subscription each day; resets at midnight Japan Standard Time • AI requires an internet connection and consent to send data • Ads removed Good for: converting recipe measurements, studying science and math, or checking currency and units before an overseas trip. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PixelQR Scan4 screens
Unit Converter & Dictionary4 screens

Verdict

The call

The clearest difference is rating: Unit Converter & Dictionary at 5.0 against PixelQR Scan's 3.8. Unit Converter & Dictionary also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). PixelQR Scan's advantage is in-app purchases (none vs 1) and ratings volume (10 vs 1). On price, update cadence and ads 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. Unit Converter & Dictionary sells 1 in-app purchase, starting at $0.99 per month. PixelQR Scan asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Unit Converter & Dictionary holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: PixelQR Scan has 10 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

PixelQR Scan ships an update every 9 days, Unit Converter & Dictionary every 3 weeks. Both last shipped on October 31, 2026.

Scorecard6 real differences · 4 level
PixelQR Scan versus Unit Converter & Dictionary: the parameters behind the verdict, then further details
ParameterPixelQR ScanUnit Converter & Dictionary
PriceFreeFree
Rating3.8 (10 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings10 — better1
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size78 MB13 MB
Age rating4+4+
DeveloperFuzhou Zhiyue Interactive Technology Co.,LtdMikoto Gateway

Customer experience

PixelQR Scan

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Unit Converter & Dictionary

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

In-app purchases

None

PixelQR Scan

No in-app purchases

1 purchases

Unit Converter & Dictionary

Subscriptions1
  • プレミアムプラン$0.991 Month

Questions

Is PixelQR Scan free?
PixelQR Scan is free to download, with no in-app purchases.
Is Unit Converter & Dictionary free?
Unit Converter & Dictionary is free to download, with in-app purchases available.
Which has better reviews, PixelQR Scan or Unit Converter & Dictionary?
Unit Converter & Dictionary is rated higher. PixelQR Scan averages 3.8 out of 5 from 10 ratings, while Unit Converter & Dictionary averages 5.0 from 1 ratings.
Do PixelQR Scan or Unit Converter & Dictionary have ads?
Both PixelQR Scan and Unit Converter & Dictionary show ads.
Which is updated more often, PixelQR Scan or Unit Converter & Dictionary?
PixelQR Scan ships an update every 9 days, and Unit Converter & Dictionary every 3 weeks. Most recently, PixelQR Scan was updated on October 31, 2026 and Unit Converter & Dictionary on October 31, 2026.

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