Comparison

Calculator!! vs Calculator Plus v2

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

Head to head
About

Calculator!!

This advanced calculator offers a comprehensive history of your calculations and supports complex functions like fraction manipulation, angle conversions, and equation solving. It also includes specialized tools for engineers and a dice roller.

Highlights
  • Calculation history
  • Fraction manipulation
  • Angle conversions (degrees, minutes, seconds)
  • Permutation, combination, LCM, GCD
  • Quadratic and linear equation solver
  • Coordinate conversion
  • Dice roller
Features
Read full description

Calculator!! has the following additional functionality compared with most available calculators: - Shows the expression as you enter and keeps a history of your calculations (Swipe up on the screen to access the history.) - Capability of performing fraction manipulations and converting between different formats (proper, improper, and mixed fractions) and seamless integration of fraction, integer, and decimal manipulations. - Capability of inputting degrees, minutes, and seconds for angles and converting between degrees-minutes-seconds format and decimal format. - Capability of calculating permutation, combination, Least Common Multiple (LCM), and Greatest Common Divisor (GCD). - Quadratic and system of two linear equations solver - Rectangular to polar and polar to rectangular coordinate conversion (extremely useful for phasor calculations for electrical engineers) - Throws a set of dice (choice of 1 die to 4 dice) - Backspace to delete last digit entered. - Tip Calculator - Geometry Calculator - The left pane scrolls to reveal more functionality without a need to switch modes. The digits and most common operations are always visible and the less common operations can be revealed by scrolling the left half of the screen. - Sinusoidal functions can be calculated for angles in units of degrees, radians, or gradians. - Showing the content of memory on MR button, as long as it fits. Calculator!! is an ongoing project and we are working on more features and functions to be added to every update of the app. You are going to love the simplicity of the user interface and you will get used to the extra functionality added to this product. Please do not hesitate to contact us for any questions, comments, to report any bugs, or to suggest additional functions you would like to see in the upcoming updates.

About

Calculator Plus v2

This app offers a powerful yet simple calculator experience, combining standard and scientific functions with live previews and error hints. It supports various input methods, including hardware keyboards and Apple Pencil, and provides multiple display formats for clear understanding of calculations.

Highlights
  • Standard and scientific calculator
  • Live expression and answer preview
  • Multiple display formats
  • Hardware keyboard support
  • Apple Pencil Scribble support
  • Bi-directional clipboard support
  • Syntax error hints
Read full description

Calculator Plus is a standard and scientific calculator that has simplicity at its core, while not compromising on functionality. Even with its simple user interface inspired by the built-in Calculator app on iOS, it offers much, much more - and with no ads! With full expression and live answer preview, be faster than ever at calculating, and see exactly what you typed. Understand your answers by displaying them in exact form, scientific notation, fractions and more. Catch the exact errors with helpful syntax errors, with beautiful animations to complement your calculations. The full scientific calculator is also present in the portrait layout, so you can calculate scientific operations away one-handed on your phones, or via a space-efficient vertical window on larger screens. That's not all! If you're on a Mac, or have a hardware keyboard connected to your iPad or iPhone, simply type your math expressions normally and it will be registered - including every scientific operation listed. Clipboard support not only allows you to copy your calculations for others to see, it also gives you the ability to instantly take any expression from anywhere and paste into the app. Plus, enjoy bonus functionality like math expression autocorrection, voice dictation, Apple Pencil Scribble, and more! Download Calculator Plus to experience it for yourself! Feature List: - Standard & Scientific Calculator. - Simple UI design puts focus on your calculations. - Live expression and answer display while typing. - Full scientific calculator in the portrait layout with minimal rearrangement. - View long operations comfortably with scrollable calculation panels. - Multiple display formats: Exact Form, Scientific Notation, Fractions and more! - Bi-directional clipboard: Copy & Paste any expression into and out of the app. - Math Evaluation Overrides: For those who want to configure autocorrect or prefer non-standard notations/conventions. - Custom Scientific Typing Mode: Append, Substitute or a hybrid of both when using on-screen buttons. - Full Hardware Keyboard input support (including scientific operations!) - Apple Pencil Scribble support on iPadOS 14+ in English. - Basic Voice Dictation input support in English. - iPadOS SlideOver, Split View and Stage Manager multitasking support. - Satisfying clicks with haptic feedback on modern iPhones. - Complete support for all math operations and input methods on the Apple Watch app. - Useful Syntax Error hints to let you know exactly what's wrong. - Lightweight: only a few MB in size. - No ads, no tracking :) If you have or find any problems, feel free to contact me under App Support within Calculator Plus. Developer: Wern

Screenshots

Calculator!!4 screens
Calculator Plus v24 screens

Verdict

The call

The clearest difference is price: Calculator Plus v2 at Free against Calculator!!'s $0.99. Calculator Plus v2 also leads on rating (4.7 vs 4.4) and update cadence (every 2 months vs every 10 months). Calculator!!'s advantage is iOS requirement (10.0 vs 12.0). On ratings volume, ads and in-app purchases 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 Plus v2 is free to download; Calculator!! costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Calculator Plus v2 holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 56 and 131 respectively. Written reviews point the same way: 75% of Calculator!!'s written reviews are positive against 89% of Calculator Plus v2's.

UpkeepUpdate frequency

Calculator!! ships an update every 10 months, Calculator Plus v2 every 2 months. The most recent releases landed on September 24, 2026 and August 14, 2026 respectively.

Scorecard7 real differences · 3 level
Calculator!! versus Calculator Plus v2: the parameters behind the verdict, then further details
ParameterCalculator!!Calculator Plus v2
Price$0.99Free — better
Rating4.4 (56 ratings)4.7 (131 ratings) — better
Positive reviews75.0% of reviews89.2% of reviews — better
Number of ratings56131 — better
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS10.0 — better12.0
Further details — not scored
Size12 MB14 MB
Age rating4+4+
DeveloperDogaheWern Jie Lim

Customer experience

Calculator!!

All ratings56 ratings
Positive85.7%
Neutral5.4%
Negative8.9%
Written reviews8 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

Calculator Plus v2

All ratings131 ratings
Positive93.1%
Neutral2.3%
Negative4.6%
Written reviews213 reviews
Positive89.2%
Neutral2.8%
Negative8.0%

Bugs and requests

Calculator!!

Not enough reviews yet to summarise bugs or requests.

Calculator Plus v2

Reported bugs

3 issues
  • Crashes after recent update
  • Incorrect results for some calculations
  • Keyboard input not working as expected

Requested features

6 requests
  • Add widget support
  • Implement iCloud sync for history
  • Provide light/dark mode options
  • Allow customization of button layout
  • Add unit conversion tools
Show 1 more
  • Improve percentage calculation logic

In-app purchases

None

Calculator!!

No in-app purchases

None

Calculator Plus v2

No in-app purchases

Questions

Is Calculator!! free?
Calculator!! costs $0.99, with no in-app purchases.
Is Calculator Plus v2 free?
Calculator Plus v2 is free to download, with no in-app purchases.
Which has better reviews, Calculator!! or Calculator Plus v2?
Calculator Plus v2 is rated higher. Calculator!! averages 4.4 out of 5 from 56 ratings, while Calculator Plus v2 averages 4.7 from 131 ratings.
Do Calculator!! or Calculator Plus v2 have ads?
Neither Calculator!! nor Calculator Plus v2 shows ads.
Which is updated more often, Calculator!! or Calculator Plus v2?
Calculator!! ships an update every 10 months, and Calculator Plus v2 every 2 months. Most recently, Calculator!! was updated on September 24, 2026 and Calculator Plus v2 on August 14, 2026.

Other comparisons