Comparison

Sci vs Calculator Pro Lite

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

Head to head
About

Sci

This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.

Highlights
  • Multi-mode calculator (Basic, Scientific, Programmer)
  • Calculation history
  • Share results via email
  • Copy & paste values
  • Configurable display precision
  • Retina graphics
Features
Read full description

Sci:Pro Calculator is a simple multi-mode calculator for your iPhone, iPad, and iPod Touch (Universal App). The app features three modes of operation: Basic, Scientific, and Programmer. Each mode features an easy-to-access history view and support for sharing results using e-mail or by copying & pasting values to and from other applications. This is our first app for the App Store and we’re making the first version free for everyone to use without ads. If you like the app please take a moment to rate it for us. if you encounter any bugs or problems while using it please let us know and we’ll do our best to fix them as quickly as possible. App Features: • No Ads! • Multi-mode Calculator (Basic, Scientific, Programmer) • Calculation History (Swipe up/down to access) • Full screen key layouts (in all orientations) • Multiple Copy & Paste Formats • Share Results via Email (Plain Text, HTML) • Memory Keys (M+,M-,MC,MR) • Configurable Display Precision (2 to 15 digits) • User Interface Sounds (Configurable: on/off) • Retina graphics (Optimized for all devices) Basic Mode: • High-Precision Floating Point (2-15 digits display precision) • Selectable Display Formats (Standard, Scientific, Engineering) • Basic Math Functions (+, -, ×, ÷) • Percent Key/Mode (Single value or Expression-based) • Parentheses Keys (Expression Grouping/Nesting—iPad Only) Scientific Mode: • High-Precision Floating Point (2-15 digits display precision) • Selectable Display Formats (Standard, Scientific, Engineering) • Basic Math Functions (+, -, ×, ÷, modulo) • Percent Key/Mode (Single value or Expression-based) • Parentheses Keys (Expression Grouping/Nesting) • Trigonometric Functions (Normal, Inverse, and Hyperbolic) • Selectable Trig. Mode (Degrees, Radians) • Exponent Functions (2^x, 10^x, x^y, x², x³ e^x) • Root Functions (√, ³√, x√y) • Logarithmic Functions (Log2, Log10, Ln) • Other Functions (random, Exponent, Factorial, 1/x) • Numerical Constants (π, e) Programmer Mode: • 64 bit Integer Values • Radix Modes & Conversion (Binary, Decimal, Hexadecimal, Octal) • Integer Math Functions (+, -, ×, ÷, MOD) • Bitwise Operators (AND, OR, NOR, XOR) • Bit Shift and Rotate (Single & Multiple bit) • Signed Number Operations (1’s & 2's Complement) • Byte-Flip, Word-Flip • Bit Count • Random Integer • Parentheses Keys (Expression Grouping/Nesting) • Full-time Binary View (iPad Only) • Encoding Views (ASCII, Unicode, RGB) • Multiple Copy Formats (Binary, Hex, Decimal, ASCII, Unicode, RGB value) • Multiple Paste Formats (Decimal, Hex, Octal, and Binary values)

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://

Screenshots

Sci4 screens
Calculator Pro Lite4 screens

Verdict

The call

The clearest difference is ads: Sci at none against Calculator Pro Lite's shown. Sci also leads on review sentiment (93% vs 79%) and monetization model (free vs ad-supported). 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 — 4.8 for Sci against 4.6 for Calculator Pro Lite. Both are backed by a comparable volume of ratings — 3.9K and 3.1K respectively. Written reviews are what separate them: 93% of Sci's written reviews are positive against 79% of Calculator Pro Lite's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 1, 2026.

Scorecard4 real differences · 6 level
Sci versus Calculator Pro Lite: the parameters behind the verdict, then further details
ParameterSciCalculator Pro Lite
PriceFreeFree
Rating4.8 (3.9K ratings) — better4.6 (3.1K ratings)
Positive reviews93.2% of reviews — better78.8% of reviews
Number of ratings3.9K — better3.1K
Update frequencyEvery 2 monthsEvery 2 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.3 — better15.2
Further details — not scored
Size70 MB43 MB
Age rating4+4+
DeveloperJerry MontgomeryCider Software LLC

Customer experience

Sci

All ratings3,603 ratings
Positive95.9%
Neutral2.3%
Negative1.8%
Written reviews205 reviews
Positive93.2%
Neutral3.9%
Negative2.9%

Calculator Pro Lite

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

User reviews

Sci

From 3.9K App Store ratings

What we love

  • 🚀 Fast and responsive
  • 👍 Clean and intuitive interface
  • 🔒 No ads or in-app purchases
  • 💡 Versatile with basic, scientific, and programming modes
  • 👍 Useful for a variety of calculations

Room to improve

  • 🐛 Occasional bugs or glitches
  • 🔍 Lack of split-screen support on iPad
  • 🔍 Limited keyboard input support
  • 🔍 Inconsistent behavior when switching between modes

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

Bugs and requests

Sci

Reported bugs

3 issues
  • Incorrect calculations for certain sequences of operations
  • Memory issues when dealing with large numbers or exponents
  • Compatibility problems with newer iOS versions

Requested features

4 requests
  • Ability to configure number of digits displayed
  • Option to change display colors or themes
  • Support for more advanced programming features
  • Integration with other apps or services

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

In-app purchases

None

Sci

No in-app purchases

None

Calculator Pro Lite

No in-app purchases

Questions

Is Sci free?
Sci is free to download, with no in-app purchases.
Is Calculator Pro Lite free?
Calculator Pro Lite is free to download, with no in-app purchases.
Which has better reviews, Sci or Calculator Pro Lite?
Sci is rated higher. Sci averages 4.8 out of 5 from 3.9K ratings, while Calculator Pro Lite averages 4.6 from 3.1K ratings.
Do Sci or Calculator Pro Lite have ads?
Calculator Pro Lite shows ads; Sci does not.
Which is updated more often, Sci or Calculator Pro Lite?
Sci ships an update every 2 months, and Calculator Pro Lite every 2 months. Most recently, Sci was updated on November 1, 2026 and Calculator Pro Lite on November 1, 2026.

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