Comparison

Calculator⁼ vs JustCalc

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

Head to head
About

Calculator⁼

This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.

Highlights
  • Basic & Scientific Calculator
  • Live Currency Converter
  • History Tape
  • Equation Edit Function
  • Degrees or Radians Calculation
  • Memory Banks
Features
Read full description

Calculator is a clean, easy-to-use calculator app for everyday math and more. It handles basic calculations and scientific functions when you need them and keeps a history of your past results so you can quickly go back and check or reuse them. With its classic design, it feels familiar and straightforward—perfect for quick sums at work, school, or home. AVAILABLE FOR FREE • Basic & Scientific Calculator • Great Visibility; Big buttons for easy calculations • Live Currency Converter; get exchange rate prices • History Tape; Track all calculations, taxes, and expenses • Equation edit function • Calculate with Degrees or Radians • Memory Banks • Choose your Decimal Notation • Set the Number of Decimals • Available in 12 languages • Made for iPad & iPhone • Support Split View & Dark Mode BASIC AND SCIENTIFIC Rotate your device to access all scientific buttons. Or if you prefer calculating in portrait mode, simply swipe left. YOUR EXPERIENCE IS IMPORTANT TO US! As your experience is important to us, we’re happy with your feedback, questions, and suggestions. Please share any support as our team is always ready to help via support@impalastudios.com Mathematical Operations Addition, Subtraction, Division, Multiplication, Percentages, Square, Cubic Exponent, Nth Exponent, Square Root, Cubic Root, Nth Root, Engineering Exponent, Factorial, Power of Two, Power of Ten, Power of E, Natural Logarithm, Common Logarithm, Binary Logarithm, Sine, Cosine, Tangent, Arc Sine, Arc Cosine, Arc Tangent, Hyperbolic Sine, Hyperbolic Cosine, Hyperbolic Tangent, Hyperbolic ArcSine, Hyperbolic Arc Cosine, Hyperbolic ArcTangent, Multiplicative Inverse, Random Number Input LOVING CALCULATOR? Please show your support by rating us! Thank you. Calculator (C) 2011 Impala Studios Terms & Conditions: https://impalastudios.com/terms Privacy Policy: https://impalastudios.com/privacy

About

JustCalc

Read full description

One app. Infinite calculations. Zero clutter. JustCalc redefines what a mobile calculator can be. By merging advanced computational power with a premium glassmorphic design, it delivers an elegant, all-in-one solution for students, professionals, and everyday users. Whether you are balancing finances, solving complex physics formulas, or converting global time zones, JustCalc adapts to your workflow and looks incredible doing it. ------------------------------- CORE FEATURES: • The Ultimate Engine: Basic, Scientific, Graphing, Chemistry, and Physics calculators built-in. • Everyday Utilities: Seamless conversions for Units, Currencies, Time Zones, and Health/BMI tracking. • Glassmorphic UI: A visually stunning experience featuring frosted glass, glowing accents, and fluid animations. • Total Customization: Drag and drop your most-used tools to the top of your grid, and long-press to personalize individual accent colors. • True Dark Mode: Fully optimized for late-night crunching to reduce eye strain. ------------------------------- Work smarter, calculate faster, and clear the clutter. Download JustCalc today.

Screenshots

Calculator⁼4 screens

Verdict

The call

The clearest difference is in-app purchases: JustCalc at none against Calculator⁼'s 8. JustCalc also leads on iOS requirement (13.0 vs 15.0). Calculator⁼'s advantage is device support. On price 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. Calculator⁼ sells 8 in-app purchases, starting at $0.49 per 7 days. JustCalc asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Calculator⁼ versus JustCalc: the parameters behind the verdict, then further details
ParameterCalculator⁼JustCalc
PriceFreeFree
Rating4.6 (359K ratings) — better—
Positive reviews35.6% of reviews—
Number of ratings359K — better—
Update frequencyMonthly—
AdsYes—
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — better—
Requires iOS15.013.0 — better
Further details — not scored
Size159 MB24 MB
Age rating4+4+
DeveloperImpala StudiosHean Zhen Gooi

Bugs and requests

Calculator⁼

Reported bugs

3 issues
  • History not always showing all entries
  • Ads covering up parts of the screen
  • Inability to close full-screen ads

Requested features

4 requests
  • Add fraction button
  • Option to clear calculation history
  • Ability to copy/paste results
  • Customizable layout and themes

JustCalc

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Calculator⁼

Subscriptions6
  • Weekly Premium Access3 Days trial$0.497 Days
  • Monthly full access3 Days trial$1.991 Month
  • Weekly Premium Access3 Days trial$1.997 Days
Show 3 more
  • Limited Time Offer$4.991 Year
  • Premium Yearly3 Days trial$5.991 Year
  • Annual Premium Access$9.991 Year
One-time2
  • Retro Theme Calculator'$0.99
  • Lifetime Full Access$14.99
None

JustCalc

No in-app purchases

Questions

Is Calculator⁼ free?
Calculator⁼ is free to download, with in-app purchases available.
Is JustCalc free?
JustCalc is free to download, with no in-app purchases.

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