Comparison

▸ Calculator + vs calculatorX2

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 comprehensive suite of 12 calculators, including scientific, currency, unit, and finance functions. It features advanced modes, extensive formula support, and a user-friendly interface for all calculation needs.

Highlights
  • 12 specialized calculators
  • Over 800 formulas
  • Scientific, RPN, and String modes
  • Unit and currency conversion
  • Finance and date/time calculations
  • Equation solver and graphing
  • History and expression export
Features
Read full description

+ 800+ formulas in Formula Toolkit In-App + OVER 1 MILLION DOWNLOADS WORLDWIDE + Award Winning Calculator Since 2007 HiCalc Pro is an ultimate calculator and will make all your calculations become simpler than ever with 12 calculators: Basic, Scientific, Currency Converter, Unit Converter, Finance, Date - Time, Constants, Equation Solver, Statistics, Base conversion, Graph & Tip calculator. ► Noteworthy • Three calculating modes: STANDARD, STRING and RPN • Precision to 31 digits • BIG CALC in Portrait mode. • Comprehensive Date & Time calculator • Unit Converter contains 3,300 units in 113 categories • Currency converter with daily online update for 152 currencies • Extended Memory and Expression History supports • Intuitive interface • Export & send out expressions/history ► Features: • Multi-line LED with smart input for entering complicated expressions • Show expression as normal writing mode @ very useful for students • Advanced RPN mode with Stack viewer and functions: DROP, SWAP, ROLL, DEPTH, PICK, OVER, KEEP, LAST, CLEAR • Sending data from Ext-Memory & History list • Support 5 languages (English, French, German, Chinese & Vietnamese) ► Scientific calculator: • Basic fx: sin, cos, tan, sin-1, cos-1, tan-1, sinh, cosh, tanh, log, ln, sinh-1, cosh-1, tanh-1 … • Advanced fx: Random, nPr, nCr, Differential function, Evaluation function, Integration function, Root-Finder and Product function, Greatest Common Divisor, Least Common Multiple, Fibonacci function … • Complex numbers in STRING mode ► Unit Converter: a powerful and easy-to-use tool for converting over 3,300 units in 113 categories. • Special categories: Women and Girl's Clothing, Cooking, Electric Field, Density Traditional, Typography, UHF channel and frequency chart, Fuel Consumption … • Full text search for categories and units • Favorite & Recently used units • Update over the air ► Statistics calculator • 15 common functions: Σ(x), mean of X, AVD, SSD, SDV, C(n, k), Min, Max, GM... • 6 probability distribution functions: Binomial, Gamma, Gaussian, Geometric, Poisson, Rayleigh • Smart data input: data import from clipboard supported ► Graphing Calculator • Up to three graphs • Coordinate system movable • Zoom in/out ► Equation solver • Polynomial Equations (1st-4th) • N-simultaneous equations ► Base conversion • Full-featured base conversion ► Date & Time calculator • Date / Time difference: calculate duration between two dates. • Add/ Subtract: Add or subtract days, months and years of a given date to get a new date. • Events Countdown/up: Shows Time Remaining and Elapsed Time ► World Clock • Show date & time of any city in the World • Have 6 cool skins ► Finance calculator • Time Value of Money (NPER, RATE, PV, FV, PMT) • Mortgage & Loan Calculator • Finance functions: SLN, SYD, DB, NPV, IRR, NPER, RATE, PV, FV, PMT. ► Constants Library: • 1500 constants from Mathematics, Physics, Solar System and Element e.g: Avogadro number, Gravitational const, Stefan-Boltzmann Const, Speed of Light.

About

calculatorX2

Features
Read full description

"calculatorX2" is a SCIENTIFIC calculator "D.A.L." (Direct Algebraic Logic). Using the "D.A.L." the precedence of the mathematical operators is automatically taken into account by the calculator and it will therefore be possible to insert the various formulas, calculations, in the same order as they are written on the paper: the calculator will assign the right precedence to the various mathematical operators, brackets, functions, etc. Particularly suitable for both complex and simple calculations, suitable for all those who wish to have a "simple" and "accessible" interface. Input method: - D.A.L. (Direct Algebraic Logic) Types of calculator: - SCIENTIFIC (landscape orientation) Graphics of the calculator: - customizable: you can choose between 6 themes available (included in the app) App type: - UNIVERSAL APP

Screenshots

▸ Calculator +4 screens
calculatorX23 screens

Verdict

The call

The clearest difference is in-app purchases: calculatorX2 at none against ▸ Calculator +'s 4. calculatorX2 also leads on price ($0.99 vs $1.99). ▸ Calculator +'s advantage is update cadence (every 6 weeks vs every 42 months) and iOS requirement (8.0 vs 16.6). On 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

▸ Calculator + costs $1.99 and calculatorX2 $0.99 up front. ▸ Calculator + sells 4 one-off in-app purchases. calculatorX2 asks for nothing beyond the download.

UpkeepUpdate frequency

▸ Calculator + ships an update every 6 weeks, calculatorX2 every 42 months. The most recent releases landed on November 1, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
▸ Calculator + versus calculatorX2: the parameters behind the verdict, then further details
Parameter▸ Calculator +calculatorX2
Price$1.99$0.99 — better
Rating4.7 (911 ratings) — better—
Positive reviews75.1% of reviews—
Number of ratings911 — better—
Update frequencyEvery 6 weeks — betterEvery 42 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better16.6
Further details — not scored
Size44 MB12 MB
Age rating4+4+
DeveloperPPCLINK SoftwareGianluca Natalini

Bugs and requests

▸ Calculator +

Reported bugs

5 issues
  • Date/Time screen cutoff at bottom and missing keyboard icon
  • Currency exchange not working
  • Periodic Taple option of HiCalcac pro is not compatible eith iOs 10
  • Crashes in iOS 10
  • Gig to meg conversion is incorrect

Requested features

5 requests
  • Dark mode option
  • Advanced analytics dashboard
  • Landscape mode support
  • Equation solver for non-polynomials
  • Auto-display of graph coordinates

calculatorX2

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

▸ Calculator +

One-time4
  • Formula Toolkit$0.99
  • Periodic Table$0.99
  • UI Upgrade$0.99
Show 1 more
  • Biorhythm$0.99
None

calculatorX2

No in-app purchases

Questions

Is ▸ Calculator + free?
▸ Calculator + costs $1.99, and also offers in-app purchases.
Is calculatorX2 free?
calculatorX2 costs $0.99, with no in-app purchases.
Do ▸ Calculator + or calculatorX2 have ads?
Neither ▸ Calculator + nor calculatorX2 shows ads.
Which is updated more often, ▸ Calculator + or calculatorX2?
▸ Calculator + ships an update every 6 weeks, and calculatorX2 every 42 months. Most recently, ▸ Calculator + was updated on November 1, 2026 and calculatorX2 on October 16, 2026.

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