Comparison

PCalc Lite vs Calculator for All

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 for All

A powerful and versatile calculator for all your Apple devices. Edit complex expressions, sync history across devices, and enjoy a clean, ad-free experience. Unlock advanced features like unit conversion and fraction support with an optional upgrade.

Highlights
  • Edit expressions without limitations
  • Instant results
  • Sync calculation history across devices
  • Unit conversion (currencies, physical units)
  • Fraction support
  • Customizable themes
Features
Read full description

Calculator Solves is a well-made app for your iPhone, iPad, Mac, and Apple Watch. It allows you to edit expressions in any place and get instant result updates. It keeps your calculation history in sync on all devices and lets you to easily interact with it. It makes it easier to convert the units you use frequently. And all this for free and without ads! By unlocking the full version you also get: • All Conversions: currencies (with crypto, metals & energy), physical units, and your own! • History Tools: comment, bookmark, export, auto clear, and more • Fractions • More Themes • Advanced Settings Hand-typed code. No generative AI was used during the development or by the app itself. The full version requires one payment only. You will own it forever on all devices.

Screenshots

PCalc Lite4 screens
Calculator for All4 screens

Verdict

The call

The clearest difference is rating: Calculator for All at 4.9 against PCalc Lite's 4.4. Calculator for All also leads on review sentiment (91% vs 82%). On price, ratings volume, update cadence 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

Both are free to download. PCalc Lite sells 11 one-off in-app purchases and Calculator for All sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calculator for All holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 214 and 385 respectively. Written reviews point the same way: 82% of PCalc Lite's written reviews are positive against 91% of Calculator for All's.

UpkeepUpdate frequency

PCalc Lite ships an update every 2 months, Calculator for All every 4 weeks. The most recent releases landed on October 31, 2026 and November 2, 2026 respectively.

Scorecard2 real differences · 8 level
PCalc Lite versus Calculator for All: the parameters behind the verdict, then further details
ParameterPCalc LiteCalculator for All
PriceFreeFree
Rating4.4 (214 ratings)4.9 (385 ratings) — better
Positive reviews82.5% of reviews90.6% of reviews — better
Number of ratings214385 — better
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple WatchiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS15.015
Further details — not scored
Size79 MB83 MB
Age rating4+4+
DeveloperTLA Systems Ltd.Oleg Barinov

Customer experience

PCalc Lite

All ratings214 ratings
Positive83.6%
Neutral6.5%
Negative9.8%
Written reviews530 reviews
Positive82.5%
Neutral7.0%
Negative10.6%

Calculator for All

All ratings385 ratings
Positive97.1%
Neutral1.0%
Negative1.8%
Written reviews481 reviews
Positive90.6%
Neutral3.7%
Negative5.6%

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 for All

From 385 App Store ratings

What we love

  • 👍 Excellent calculator app
  • 🚀 Smooth and responsive
  • 🔒 No ads or data collection
  • 💡 Useful features like history, comments, and unit conversions
  • 👍 Clean and intuitive design

Room to improve

  • 🐛 Occasional crashes or bugs after updates
  • 🐛 Issues with certain mathematical operations
  • 🐛 Family sharing not working properly
  • 🐛 Lag or performance issues on some devices
  • 💡 Desire for more advanced features like fractions, base conversions

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 for All

Reported bugs

4 issues
  • Crashes when pressing certain buttons
  • Issues with parsing complex expressions
  • Incorrect results for some calculations
  • Problems with history clearing or syncing

Requested features

6 requests
  • Add support for fractions and mixed numbers
  • Implement a widget for quick access
  • Allow resizing the app window on Mac
  • Provide more customization options
  • Add support for Apple Watch
Show 1 more
  • Improve unit conversion experience

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
1 purchases

Calculator for All

One-time1
  • Solves+$9.99

Questions

Is PCalc Lite free?
PCalc Lite is free to download, with in-app purchases available.
Is Calculator for All free?
Calculator for All is free to download, with in-app purchases available.
Which has better reviews, PCalc Lite or Calculator for All?
Calculator for All is rated higher. PCalc Lite averages 4.4 out of 5 from 214 ratings, while Calculator for All averages 4.9 from 385 ratings.
Do PCalc Lite or Calculator for All have ads?
Neither PCalc Lite nor Calculator for All shows ads.
Which is updated more often, PCalc Lite or Calculator for All?
PCalc Lite ships an update every 2 months, and Calculator for All every 4 weeks. Most recently, PCalc Lite was updated on October 31, 2026 and Calculator for All on November 2, 2026.

Other comparisons