Comparison

QR Code Reader vs ClevCalc

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

Head to head
About

QR Code Reader

Scan QR codes and barcodes quickly with your iPhone camera. Access your scan history, scan from photos, and use a flashlight for dark environments. Share your scanned items easily.

Highlights
  • Automatic camera activation
  • Scan from photo library
  • Scan history access
  • Flashlight for low light
  • Barcode scanning support
  • Share scan history
Features
Read full description

QR Code Reader for iPhone is a free and handy QR code scanner and reader app. [Features] - The camera starts automatically when you launch the app. - Scan images directly from your photo library. - Quickly access your scan history. - Includes a light button for scanning in the dark. - Also supports barcode scanning. - Share your scan history list. * You can scan a large number of barcodes or QR codes and send them all at once. [Notes] Be sure to allow the QR Code Reader app to access your camera when you launch it. If the screen appears dark on startup, go to [Settings] → [Privacy & Security] → [Camera], and turn on [QR Code Reader].

About

ClevCalc

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

Highlights
  • Scientific calculator
  • Unit converter
  • Currency converter
  • Loan calculator
  • Health calculator (BMI, BMR)
  • Date calculator
  • GPA calculator
Features
Read full description

This calculator allows you to easily handle all the calculations necessary for everyday life with a single application. A free calculator app with a clean interface and practical functions! List of calculators currently supported: 1. Calculator ( + Scientific Calculator ) • Supports the four fundamental arithmetic operations, square, root, parentheses and percentage operations. • Supports scientific operations such as trigonometric, exponential and logarithmic functions. • Possible to modify incorrectly entered expressions with a freely movable cursor. • Simple and easy. • History available. 2. Unit Converter • Supports length, weight, width, volume, time, temperature, pressure, speed, fuel efficiency, and the amount of data. • Supports all unit conversions commonly used in everyday life. 3. Currency Converter • Supports 135 currencies in the world, including dollar, euro, yen, yuan, etc. • Automatically calculates using the real time exchange rate. 4. Percentage Calculator • You can easily calculate the percentage increase or decrease. • You can also calculate what percentage one number is of another. 5. Discount Calculator • Get a discount price by entering the original price and the discount rate. 6. Loan Calculator • You can calculate the total interest and total payments by entering the loan principal and interest rate. 7. Date Calculator • A feature that calculates the specific date or anniversary to be remembered! 8. Health Calculator • You can measure the body mass index (BMI) and the basal metabolic rate (BMR). 9. Automobile Fuel Cost Calculator • You can calculate the fuel costs required for driving a car or traveling. • Enter a distance and a fuel efficiency to get a fuel cost. 10. Fuel Efficiency Calculator • Enter the amount of fuel used to get the fuel efficiency. 11. GPA Calculator • You can correctly calculate your GPA! 12. Tip Calculator • The tip amount to be added will be automatically calculated if you enter the billing amount and tip percentage. • There is a function not to calculate tips on tax. • You may calculate the amount per person by dividing final amount by the number of people. 13. Sales Tax Calculator • Get a total price by entering the original price and the tax rate. 14. Unit Price Calculator • Enter the price and the quantity and you will get the unit price. • You can compare unit prices of various goods. 15. World Time Converter • Transforms the time of 400 or more cities around the world. • Daylight savings time will also be reflected in this calculation. 16. Ovulation Calculator • Calculates the time of ovulation and fertility using the menstrual cycle! • You can also create notes by date. 17. Hexadecimal Converter • Converts between decimal and hexadecimal with ease and convenience. 18. Savings Calculator • If you enter deposit amount, interest rate and time period, the interest after tax and final savings balance will be calculated. [ Terms of Use ] https://www.apple.com/legal/internet-services/itunes/dev/stdeula [ Disclaimer ] Cleveni Inc. makes no warranty as to the accuracy or reliability or suitability of any calculation results or information provided through the ClevCalc app. Cleveni Inc. is not also responsible for any damages, direct or indirect, which may occur by the calculation results or information provided through the ClevCalc app.

Screenshots

QR Code Reader4 screens
ClevCalc4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Code Reader at none against ClevCalc's 3. QR Code Reader also leads on ratings volume (160K vs 14K). On price, rating, review sentiment and update cadence 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. ClevCalc sells 3 in-app purchases, starting at $2.99 per month. QR Code Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for QR Code Reader against 4.7 for ClevCalc. That said, the two scores are not equally well evidenced: QR Code Reader has 160K ratings behind it against 14K, so its average is the more settled of the two. Written reviews are what separate them: 85% of QR Code Reader's written reviews are positive against 91% of ClevCalc's.

UpkeepUpdate frequency

QR Code Reader ships an update every 2 months, ClevCalc monthly. Both last shipped on October 13, 2026.

Scorecard3 real differences · 7 level
QR Code Reader versus ClevCalc: the parameters behind the verdict, then further details
ParameterQR Code ReaderClevCalc
PriceFreeFree
Rating4.7 (160K ratings)4.7 (14K ratings)
Positive reviews84.5% of reviews91.2% of reviews — better
Number of ratings160K — better14K
Update frequencyEvery 2 monthsMonthly — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size47 MB117 MB
Age rating4+4+
DeveloperKomorebi Inc.Cleveni Inc.

Customer experience

QR Code Reader

All ratings160,135 ratings
Positive91.9%
Neutral3.1%
Negative5.0%
Written reviews575 reviews
Positive84.5%
Neutral2.3%
Negative13.2%

ClevCalc

All ratings13,551 ratings
Positive93.7%
Neutral2.7%
Negative3.6%
Written reviews1,413 reviews
Positive91.2%
Neutral2.5%
Negative6.3%

User reviews

QR Code Reader

From 160K App Store ratings

What we love

  • 👍 Friendly and helpful staff
  • 🚀 Fast and efficient service
  • 💡 Convenient features
  • 🤖 Reliable and accurate scanning
  • 🌟 Excellent overall experience

Room to improve

  • 🐛 Occasional scanning issues
  • 💰 Concerns about hidden costs
  • 📋 Unclear instructions or information

ClevCalc

From 14K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Efficient calculations
  • 💡 Versatile features (currency, unit conversions, etc.)
  • 👍 Intuitive interface
  • 👍 Helpful for daily tasks

Room to improve

  • 💰 Subscription model too expensive
  • 🔍 Ads can be intrusive
  • 🐛 Occasional UI issues (e.g. ads blocking functionality)
  • 🔍 Lack of advanced features (e.g. RPN mode, binary calculator)

Bugs and requests

QR Code Reader

Reported bugs

2 issues
  • App crashes or freezes
  • Scanning not working as expected

Requested features

3 requests
  • Ability to save and organize scanned data
  • Integration with other apps or services
  • More customization options

ClevCalc

Reported bugs

2 issues
  • Keystrokes not always registering
  • Compatibility issues with older devices

Requested features

4 requests
  • Dark mode option
  • Ability to save/recall calculations
  • More customization options
  • Integration with other apps/platforms

In-app purchases

None

QR Code Reader

No in-app purchases

3 purchases

ClevCalc

Subscriptions2
  • Premium Subscription3 Days trial$2.991 Month
  • Premium Subscription3 Days trial$24.991 Year
One-time1
  • Premium version$13.99

Questions

Is QR Code Reader free?
QR Code Reader is free to download, with no in-app purchases.
Is ClevCalc free?
ClevCalc is free to download, with in-app purchases available.
Which has better reviews, QR Code Reader or ClevCalc?
QR Code Reader and ClevCalc are both rated 4.7 out of 5 on the App Store, from 160K and 14K ratings respectively.
Do QR Code Reader or ClevCalc have ads?
Both QR Code Reader and ClevCalc show ads.
Which is updated more often, QR Code Reader or ClevCalc?
QR Code Reader ships an update every 2 months, and ClevCalc monthly. Most recently, QR Code Reader was updated on October 13, 2026 and ClevCalc on October 13, 2026.

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