Comparison

Calculator Pro Lite vs Simple Calculator.

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

Head to head
About

Calculator Pro Lite

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

Highlights
  • Customizable themes and colors
  • Dual-line display
  • Calculation history
  • Scientific calculator functions
  • Adjustable font size
  • Dark Mode support
Features
Read full description

A modern calculator with extensive customization and powerful features. Design it exactly how you want it. Used by millions. Supported by ads. MAKE IT YOURS ・Create custom themes with your own gradients, colors, or photos ・Choose from multiple button shapes and customize all colors ・Modern flat interface that looks great on any device ・6 layouts including extra-large button options ・Complete control over every visual element SEE EVERY STEP ・Dual-line display - shows your input and result simultaneously ・Multi-line input for long equations ・Tap & hold to move the cursor or copy and paste where you want SAVE YOUR WORK ・History saves every calculation with time and date ・Label important calculations for easy reference ・Email single calculations or complete history ・Swipe down to review previous work PROFESSIONAL FEATURES ・Full scientific calculator when needed ・Memory buttons with values displayed ・Percentage and backspace buttons ・Automatic scientific notation ・VoiceOver accessibility OPTIONAL IN APP PURCHASES ・Today View Widget (iOS 17 and below) ・Multiple History Tapes ADDITIONAL CUSTOMIZATION ・Adjustable font size and bold text ・Dark Mode support ・Left-handed mode ・Customizable button symbols and decimal settings ・iPad Split View and 3D Touch support ・Gesture controls for quick access URL Scheme: calculatorproelitefree://

About

Simple Calculator.

A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.

Highlights
  • Real-world logic, no forced order of operations
  • Running total display
  • Cost, sell, margin calculations
  • Add/subtract percentages in one step
  • Clean, intuitive interface with large buttons
  • Minimal, non-intrusive ads
Features
Read full description

This is the calculator that gets it right—built for professionals, retailers, and anyone who needs fast, accurate math without the complexity. • Work smarter with real-world logic No forced order of operations—just like a classic pocket calculator with a running total. • Perfect for business use Easily handle cost, sell, and margin calculations. Add or subtract percentages in one step. • Clean, intuitive interface Large, labeled buttons and a crisp display make every calculation effortless. • Reliable and distraction-free Minimal ads, never intrusive—so you can stay focused, even in front of clients. Inspired by the Casio calculators you know and trust—modernized for your iPhone/ iPad. Download now and make everyday math faster, clearer, and smarter.

Screenshots

Calculator Pro Lite4 screens
Simple Calculator.4 screens

Verdict

The call

Calculator Pro Lite and Simple Calculator. both sit at 4.6 stars, but that hides the real split: 79% of Calculator Pro Lite's written reviews are positive against 65% of Simple Calculator.'s. On price, rating, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Calculator Pro Lite against 4.6 for Simple Calculator.. Both are backed by a comparable volume of ratings — 3.1K and 1.6K respectively. Written reviews are what separate them: 79% of Calculator Pro Lite's written reviews are positive against 65% of Simple Calculator.'s.

UpkeepUpdate frequency

Calculator Pro Lite ships an update every 2 months, Simple Calculator. every 3 months. Both last shipped on November 6, 2026.

Scorecard1 real difference · 9 level
Calculator Pro Lite versus Simple Calculator.: the parameters behind the verdict, then further details
ParameterCalculator Pro LiteSimple Calculator.
PriceFreeFree
Rating4.6 (3.1K ratings) — better4.6 (1.6K ratings)
Positive reviews78.8% of reviews — better65.1% of reviews
Number of ratings3.1K — better1.6K
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.2 — better15.6
Further details — not scored
Size43 MB5 MB
Age rating4+4+
DeveloperCider Software LLCtasser gyati

Customer experience

Calculator Pro Lite

All ratings3,066 ratings
Positive91.6%
Neutral4.3%
Negative4.1%
Written reviews160 reviews
Positive78.8%
Neutral7.5%
Negative13.8%

Simple Calculator.

All ratings1,599 ratings
Positive91.2%
Neutral3.3%
Negative5.4%
Written reviews126 reviews
Positive65.1%
Neutral7.9%
Negative27.0%

User reviews

Calculator Pro Lite

From 3.1K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Performs calculations quickly
  • 📋 Keeps track of calculations
  • 🔙 Allows for corrections
  • 💡 Customizable background

Room to improve

  • 💸 Ads can be intrusive
  • 🚫 Ads prevent full functionality
  • 🔌 High battery consumption due to ads

Simple Calculator.

From 1.6K App Store ratings

What we love

  • 👍 Simple and easy to use
  • 💡 Supports percentage calculations
  • 🚀 Fast and responsive
  • 🔒 No security issues reported

Room to improve

  • 🐛 Occasional display issues with underline artifacts
  • 📢 Intrusive ads in free version
  • 💰 Paid version not clearly advertised

Bugs and requests

Calculator Pro Lite

Reported bugs

2 issues
  • App crashes when too many ads are shown
  • Ads cover up parts of the calculator interface

Requested features

3 requests
  • Dark mode option
  • More customization options
  • Ability to save/export calculation history

Simple Calculator.

Reported bugs

2 issues
  • Incorrect calculation results in some cases
  • Ads appearing during critical usage scenarios

Requested features

3 requests
  • Add a dedicated 'C' clear button
  • Provide more customization options for key layout
  • Implement a history/memory function

In-app purchases

None

Calculator Pro Lite

No in-app purchases

None

Simple Calculator.

No in-app purchases

Questions

Is Calculator Pro Lite free?
Calculator Pro Lite is free to download, with no in-app purchases.
Is Simple Calculator. free?
Simple Calculator. is free to download, with no in-app purchases.
Which has better reviews, Calculator Pro Lite or Simple Calculator.?
Calculator Pro Lite is rated higher. Calculator Pro Lite averages 4.6 out of 5 from 3.1K ratings, while Simple Calculator. averages 4.6 from 1.6K ratings.
Do Calculator Pro Lite or Simple Calculator. have ads?
Both Calculator Pro Lite and Simple Calculator. show ads.
Which is updated more often, Calculator Pro Lite or Simple Calculator.?
Calculator Pro Lite ships an update every 2 months, and Simple Calculator. every 3 months. Most recently, Calculator Pro Lite was updated on November 6, 2026 and Simple Calculator. on November 6, 2026.

Other comparisons