Comparison

Scientific Calculator vs QR Dess Code

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

Head to head
About

Scientific Calculator

This comprehensive utility app offers a powerful calculator and converter for everyday problems. It features a scientific calculator, over 150 specialized calculators, and unit/currency converters with offline capabilities. Users can also create custom calculators through a drag-and-drop interface.

Highlights
  • Scientific and simple calculator layouts
  • Over 150 specialized calculators
  • Unit and currency conversion
  • Offline currency converter
  • Drag-and-drop custom calculator creation
  • Step-by-step calculation solutions
  • Function graphing
Features
Read full description

CalCon calculator - calculate and convert everything! It's a FREE, complete, and easy-to-use multi calculator & converter. What does it do? Designed with simplicity in mind, it helps you solve everyday problems. From simple or complex calculations to the unit and currency conversions, percentages, proportions, areas, volumes, etc... it does it all. And it does it well! CalCon calculator has a unique Drag&Drop feature where you are able to make your own calculator. This is the PERFECT Calculator Passionate development combined with constant feedback we receive from our users resulted in what we think is the best multi calculator in the store. Featuring over 150 FREE Calculators and Unit Converters packed in with a Simple or Scientific Calculator, it's the only calculator you will need from now on your device. Oh, and did we say it is completely FREE? Yes, it is free. We think everyone should enjoy this. If you are a student, teacher, engineer, handyman, contractor or just somebody who struggles with math & conversions, you really should give this one a try. • Use it for simple or complex calculations • Convert units or currencies in the same app • Enjoy easier homework or school assignments • Learn. See step by step solutions to your calculations So, on with the features... MAIN CALCULATOR • Simple or Scientific layout • Editable input & cursor • Copy & Paste support • Calculation history • Memory buttons • Function graphing • Dec, Hex & Binary • Floating calculator 150 CALCULATORS & CONVERTERS • Algebra, Geometry, Unit Converters, Finance, Health & Misc • Currency converter with 160 currencies (available offline) • Instant results delivered as you type • Step-by-step solution & formulas • Smart search for faster navigation • Create shortcuts on the home screen Algebra • Percentage calculator • Proportion calculator • Ratio calculator • Average calculator - arithmetic, geometric and harmonic means • Equation solver - linear, quadratic and equation system • Combinations and permutations • Decimal to fraction • Fraction simplifier • Prime number checker • Greatest common factor & Lowest common multiple calculator • Random number generator Geometry • Shape calculators for square, rectangle, parallelogram, trapezoid, rhombus, triangle, pentagon, hexagon, circle, circle arc, ellipse • Body calculators for cube, rect. prism, square pyramid, sq. pyramid frustum, cylinder, cone, conical frustum, sphere, spherical cap, spherical frustum, ellipsoid Unit converters • Acceleration converter • Angle converter • Length converter • Energy converter • Force converter • Torque converter • Area converter • Volume converter • Volumetric flow converter • Weight converter • Temperature converter • Pressure converter • Power converter • Speed converter • Mileage converter • Time converter • Digital storage converter • Data transfer speed converter • Numeric base converter • Roman numerals converter • Shoe size converter • Ring size converter • Cooking converter Finance • Currency converter with 160 currencies available offline • Unit price calculator • Sales tax calculator • Tip calculator • Loan calculator • Simple / Compound interest calculator Health • Body mass index - BMI • Daily calories burn • Body fat percentage Miscellaneous • Age calculator • Date calculator • Time calculator • Mileage calculator • Ohm's law calculator - voltage, current, resistance and power Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

QR Dess Code

Features
Read full description

QR Dess Code is a simple and efficient app designed to generate and scan QR codes. With it, you can: • Create custom QR codes with text, web link, logos, images, colored modules or patterns, and error correction level to enhance readability. • Scan and decode QR codes quickly using your camera or imported images. • Creating a contact by scanning a QR code containing a vCard, and generating a QR code containing a vCard from a shared contact.
 • Connecting to Wi-Fi from its QR code.

Screenshots

Scientific Calculator4 screens
QR Dess Code4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Dess Code at none against Scientific Calculator's 4. Scientific Calculator's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads 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. Scientific Calculator sells 4 in-app purchases, starting at $0.99 per month. QR Dess Code asks for nothing beyond the download.

UpkeepUpdate frequency

Scientific Calculator ships an update monthly, QR Dess Code fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Scientific Calculator versus QR Dess Code: the parameters behind the verdict, then further details
ParameterScientific CalculatorQR Dess Code
PriceFreeFree
Rating4.8 (17 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings17 — better—
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size50 MB80 MB
Age rating4+4+
DeveloperStage CodingAntoine DESSERE

In-app purchases

4 purchases

Scientific Calculator

Subscriptions4
  • Monthly subscription3 Days trial$0.991 Month
  • Monthly subscription7 Days trial$0.991 Month
  • Annual subscription3 Days trial$4.991 Year
Show 1 more
  • Annual subscription7 Days trial$4.991 Year
None

QR Dess Code

No in-app purchases

Questions

Is Scientific Calculator free?
Scientific Calculator is free to download, with in-app purchases available.
Is QR Dess Code free?
QR Dess Code is free to download, with no in-app purchases.
Do Scientific Calculator or QR Dess Code have ads?
Neither Scientific Calculator nor QR Dess Code shows ads.
Which is updated more often, Scientific Calculator or QR Dess Code?
Scientific Calculator ships an update monthly, and QR Dess Code fortnightly. Most recently, Scientific Calculator was updated on November 3, 2026 and QR Dess Code on October 31, 2026.

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