Comparison

PCalc vs Numerical³

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

Head to head
About

PCalc

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

Highlights
  • Optional RPN mode
  • Multi-line display
  • Extensive unit conversions
  • Paper tape
  • Multiple undo/redo
  • Hexadecimal, octal, binary support
  • 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. Includes an Apple Watch app, so you can calculate on your wrist!

About

Numerical³

A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.

Highlights
  • No equals button interface
  • Automatic bracket handling
  • Full scientific keypad
  • Today Widget integration
  • Numerical² Keyboard for any app
  • Equation editing
  • Customizable themes
Features
Read full description

Numerical³ is still the calculator without equal. The first Numerical shipped in 2014—v3 brings long-requested improvements and the same focus on delightful, minimalist utility apps.MAC TOONumerical runs natively on macOS: multiple windows, tabs, resizing, desktop widgets, full keyboard support, and synced history. Download it on the Mac App Store.WIDGETSLock screen and Home Screen widgets—modernized on iPhone and iPad.THEMESBrand-new neo-morphic themes alongside our most popular picks—each with light and dark variants that follow your iOS appearance settings. Use the Theme Picker to preview them all.ICONSTheme Home Screen icons match iOS 26 with glass effects, Dark Mode, and tints.HISTORYYour equations stay visible on screen—above the keyboard on iPhone (portrait) and to the side on iPad and Mac. iCloud keeps history in sync across iPhone, iPad, and Mac.KEYBOARDSExternal keyboards are fully supported on iPhone, iPad, and macOS—including the shortcuts you expect.SOUND FXSounds and clicky feedback on iPhone, iPad, and Mac. Haptics on iPhone.14+ LANGUAGESThe entire app is localized in 14+ languages—including Japanese, Chinese, Korean, and Russian—with international digits and formats. Missing yours? Let us know.Mana Machines—Numerical³ and upcoming apps from a studio focused on delightful, minimal, human-centered utilities. More on the way.Questions or feedback: manamachineventures@gmail.comDeveloped by Andrew J Clark. Designed by Andrew J Clark & Alex Vanderzon.

Screenshots

PCalc4 screens
Numerical³4 screens

Verdict

The call

The clearest difference is price: Numerical³ at Free against PCalc's $9.99. Numerical³ also leads on in-app purchases (none vs 4) and update cadence (every 2 weeks vs every 6 weeks). PCalc's advantage is review sentiment (84% vs 75%) and device support (5 vs 3). On rating, ratings volume and ads 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

Numerical³ is free to download; PCalc costs $9.99 up front. PCalc sells 4 one-off in-app purchases. Numerical³ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for PCalc against 4.8 for Numerical³. Both are backed by a comparable volume of ratings — 770 and 1.3K respectively. Written reviews are what separate them: 84% of PCalc's written reviews are positive against 75% of Numerical³'s.

UpkeepUpdate frequency

PCalc ships an update every 6 weeks, Numerical³ every 2 weeks. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

Scorecard7 real differences · 3 level
PCalc versus Numerical³: the parameters behind the verdict, then further details
ParameterPCalcNumerical³
Price$9.99Free — better
Rating4.7 (770 ratings)4.8 (1.3K ratings) — better
Positive reviews83.6% of reviews — better75.4% of reviews
Number of ratings7701.3K — better
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod, Apple Watch, Vision Pro — betteriPhone, iPad, Mac
Requires iOS15.0 — better18.0
Further details — not scored
Size81 MB113 MB
Age rating4+4+
DeveloperTLA Systems Ltd.Andrew J Clark

Customer experience

PCalc

All ratings770 ratings
Positive90.8%
Neutral2.7%
Negative6.5%
Written reviews483 reviews
Positive83.6%
Neutral5.4%
Negative11.0%

Numerical³

All ratings1,338 ratings
Positive95.1%
Neutral2.1%
Negative2.8%
Written reviews487 reviews
Positive75.4%
Neutral9.4%
Negative15.2%

Bugs and requests

PCalc

Not enough reviews yet to summarise bugs or requests.

Numerical³

Reported bugs

3 issues
  • Unresponsive keys
  • Calculation errors
  • Crashes on startup

Requested features

5 requests
  • Add scientific functions (square root, trigonometry, etc.)
  • Implement an equals button
  • Add more theme options
  • Develop an iPad version
  • Bring back widget support

In-app purchases

4 purchases

PCalc

One-time4
  • Small Tip$0.99
  • Medium Tip$1.99
  • Large Tip$4.99
Show 1 more
  • Enormous Tip$9.99
None

Numerical³

No in-app purchases

Questions

Is PCalc free?
PCalc costs $9.99, and also offers in-app purchases.
Is Numerical³ free?
Numerical³ is free to download, with no in-app purchases.
Which has better reviews, PCalc or Numerical³?
Numerical³ is rated higher. PCalc averages 4.7 out of 5 from 770 ratings, while Numerical³ averages 4.8 from 1.3K ratings.
Do PCalc or Numerical³ have ads?
Neither PCalc nor Numerical³ shows ads.
Which is updated more often, PCalc or Numerical³?
PCalc ships an update every 6 weeks, and Numerical³ every 2 weeks. Most recently, PCalc was updated on September 30, 2026 and Numerical³ on October 1, 2026.

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