Comparison

PCalc Lite 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

PCalc Lite

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

Highlights
  • Optional RPN mode
  • Multiple undo and redo
  • Unit conversions and constants
  • Two stylish themes
  • Apple Watch app
Features
Read full description

PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations.PCalc Lite is a fully functional and free taste of our very popular scientific calculator. It includes an optional RPN mode, multiple undo and redo, unit conversions and constants, as well as two stylish themes and our highly praised design. A great choice for your new iPad! If you like what you see, the full version has many more settings and themes, a paper tape, engineering and scientific notation, and full support for hexadecimal, octal, and binary calculations. You can also now purchase extra features directly from inside PCalc Lite. Buy them individually, or buy everything. Includes an Apple Watch app, so you can calculate on your wrist!

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

PCalc Lite4 screens
Calculator Plus v24 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator Plus v2 at none against PCalc Lite's 11. Calculator Plus v2 also leads on rating (4.7 vs 4.4) and iOS requirement (12.0 vs 15.0). On price, review sentiment, ratings volume 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. PCalc Lite sells 11 one-off in-app purchases. Calculator Plus v2 asks for nothing beyond the download.

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 — 214 and 131 respectively. Written reviews point the same way: 83% of PCalc Lite's written reviews are positive against 89% of Calculator Plus v2's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 24, 2026 and August 14, 2026 respectively.

Scorecard4 real differences · 6 level
PCalc Lite versus Calculator Plus v2: the parameters behind the verdict, then further details
ParameterPCalc LiteCalculator Plus v2
PriceFreeFree
Rating4.4 (214 ratings)4.7 (131 ratings) — better
Positive reviews82.6% of reviews89.2% of reviews — better
Number of ratings214 — better131
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple WatchiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS15.012.0 — better
Further details — not scored
Size76 MB14 MB
Age rating4+4+
DeveloperTLA Systems Ltd.Wern Jie Lim

Customer experience

PCalc Lite

All ratings214 ratings
Positive83.6%
Neutral6.5%
Negative9.8%
Written reviews528 reviews
Positive82.6%
Neutral7.0%
Negative10.4%

Calculator Plus v2

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

User reviews

PCalc Lite

From 214 App Store ratings

What we love

  • 🚀 Fast and responsive
  • 👍 Clean and intuitive interface
  • 💡 Customizable themes and settings
  • 🚀 Efficient performance
  • 👍 Useful conversion tools

Room to improve

  • 🐛 Occasional lags and crashes
  • 🔒 Lack of dark mode support
  • 🔒 Inconsistent icon appearance after upgrades
  • 🔒 Limitations in RPN mode on Apple Watch
  • 🔒 Lack of financial calculator functions

Calculator Plus v2

From 131 App Store ratings

What we love

  • 👍 Looks like the stock app
  • 🚀 Fast and responsive
  • 🔒 No ads or in-app purchases
  • 👍 Clean and intuitive UI
  • 👍 Familiar calculator layout

Room to improve

  • 🐛 Occasional crashes or disappearing from dock
  • 🐛 Incorrect percentage calculations
  • 🐛 Inconsistent behavior with order of operations
  • 🔍 History tape not visible during calculations
  • 🔍 No option to set number of decimal places

Bugs and requests

PCalc Lite

Reported bugs

3 issues
  • Calculations sometimes produce unexpected results
  • Upside-down text censorship feature is problematic
  • Purchased features not always accessible on Apple Watch

Requested features

4 requests
  • Add option to display thousands separators
  • Implement a history function to review past calculations
  • Provide more customization options for the widget
  • Add support for sexagesimal angle input and conversion

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

11 purchases

PCalc Lite

One-time11
  • Theme Pack$0.99
  • Power User Pack$0.99
  • Multiple Line Pack$0.99
Show 8 more
  • Conversion Pack$0.99
  • Small Tip$0.99
  • Medium Tip$1.99
  • Programmer Pack$2.99
  • Engineer Pack$2.99
  • Large Tip$4.99
  • Complete Pack$9.99
  • Enormous Tip$9.99
None

Calculator Plus v2

No in-app purchases

Questions

Is PCalc Lite free?
PCalc Lite is free to download, with in-app purchases available.
Is Calculator Plus v2 free?
Calculator Plus v2 is free to download, with no in-app purchases.
Which has better reviews, PCalc Lite or Calculator Plus v2?
Calculator Plus v2 is rated higher. PCalc Lite averages 4.4 out of 5 from 214 ratings, while Calculator Plus v2 averages 4.7 from 131 ratings.
Do PCalc Lite or Calculator Plus v2 have ads?
Neither PCalc Lite nor Calculator Plus v2 shows ads.
Which is updated more often, PCalc Lite or Calculator Plus v2?
PCalc Lite ships an update every 2 months, and Calculator Plus v2 every 2 months. Most recently, PCalc Lite was updated on September 24, 2026 and Calculator Plus v2 on August 14, 2026.

Other comparisons