Comparison

Big Button Calculator Pro Lite vs Caculator

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

Head to head
About

Big Button Calculator Pro Lite

A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.

Highlights
  • Large buttons
  • Dual-line display
  • 18 color themes
  • Multi-line input
  • Gesture controls
  • VoiceOver accessibility
Features
Read full description

This is THE BEST calculator for iOS with big buttons and colorful backgrounds! This version is ad supported. ・Dual-line display - shows the input and result at the same time ・Percentage and backspace button ・18 color themes ・Multi-line input for really long equations ・Automatic scientific formatting ・VoiceOver accessibility ・Split View Gestures ・Swipe left on the display to backspace ・Swipe right on the display to clear ・Tap & hold on the result to copy ・Tap & hold on the input to move the cursor, copy, paste Customize ・Color Theme ・Sound URL Scheme: bigcalculatorpro://

About

Caculator

This app offers a versatile calculator with basic, scientific, graphing, and percentage functions. It features a clean interface, history tracking, and an interactive iOS widget for quick calculations. Available in multiple languages with light and dark modes.

Highlights
  • Basic arithmetic and percentages
  • Scientific and trigonometric functions
  • Graphing of multiple functions
  • Calculation history
  • Interactive iOS widget
  • Light and dark modes
Features
Read full description

Make everyday math, scientific calculations, graphing, and percentages easier—all in one calculator. With a clean, modern interface, responsive buttons, and light and dark modes, it’s designed for quick calculations and more advanced work. **EVERYDAY CALCULATIONS** • Handle basic arithmetic, parentheses, and percentages • See your current equation and running result together • Track complex expressions with color-coded parentheses • Copy or share calculations with a single tap • Enjoy automatic decimal formatting and scientific notation for very large or small results **SCIENTIFIC CALCULATOR** • Explore trigonometric and inverse trigonometric functions • Switch between degrees and radians • Calculate logarithms, square roots, powers, factorials, and reciprocals • Work with mathematical constants π and e • Continue calculating from your previous result **GRAPHING CALCULATOR** • Plot multiple functions in different colors to compare curves • Use trigonometric functions, powers, logarithms, and more • Drag to pan and pinch to zoom • Adjust X and Y ranges to explore the details • Switch between degree and radian modes **PERCENTAGE CALCULATOR** • Find a percentage of any value • Discover what percentage one value is of another • Calculate percentage increases and decreases • Simplify discounts, budgets, price comparisons, and everyday financial math **CALCULATION HISTORY** • Keep your latest 20 calculations across basic, scientific, and percentage modes • Revisit previous results without starting over • Copy individual entries or your entire history **INTERACTIVE iOS WIDGET** • Perform basic calculations directly from your Home Screen • Get quick answers without opening the app • Available on iOS 17 and later **DESIGNED FOR YOU** • Choose light or dark mode for comfortable viewing • Enjoy a portrait layout designed for convenient one-handed use • Use the app in English, Spanish, Arabic, Russian, Simplified Chinese, Vietnamese, Portuguese, Japanese, or German • Benefit from right-to-left Arabic support and translated accessibility labels Whether you’re studying, working, checking a discount, or exploring a function, this calculator brings useful tools together in a simple, approachable design. Download today and make calculations effortless! Terms: https://sites.google.com/view/simple-calculator-app-plus/terms Privacy:https://sites.google.com/view/simple-calculator-app-plus/home to paywall

Screenshots

Big Button Calculator Pro Lite4 screens
Caculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Big Button Calculator Pro Lite at none against Caculator's 2. Big Button Calculator Pro Lite also leads on ratings volume (14K vs 1) and update cadence (every 3 months vs every 10 months). Caculator's advantage is rating (5.0 vs 4.7) and iOS requirement (13.0 vs 15.2). On price, ads and device support 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. Caculator sells 2 in-app purchases, starting at $3.99 per 7 days. Big Button Calculator Pro Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Caculator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Big Button Calculator Pro Lite has 14K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Big Button Calculator Pro Lite ships an update every 3 months, Caculator every 10 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Big Button Calculator Pro Lite versus Caculator: the parameters behind the verdict, then further details
ParameterBig Button Calculator Pro LiteCaculator
PriceFreeFree
Rating4.7 (14K ratings)5.0 (1 ratings) — better
Positive reviews82.5% of reviews—
Number of ratings14K — better1
Update frequencyEvery 3 months — betterEvery 10 months
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.213.0 — better
Further details — not scored
Size45 MB55 MB
Age rating4+4+
DeveloperCider Software LLCJanoGroup LLC

Customer experience

Big Button Calculator Pro Lite

All ratings13,954 ratings
Positive93.1%
Neutral3.3%
Negative3.6%
Written reviews372 reviews
Positive82.5%
Neutral7.3%
Negative10.2%

Caculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Big Button Calculator Pro Lite

Reported bugs

2 issues
  • Occasionally shows answer before calculation is complete
  • Rounding issues leading to inaccurate results

Requested features

4 requests
  • Add more background options
  • Allow custom background uploads
  • Add option to change button colors
  • Improve ad experience or offer ad-free version

Caculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Big Button Calculator Pro Lite

No in-app purchases

2 purchases

Caculator

Subscriptions2
  • Premium - Weekly 3.99$3.997 Days
  • Premium - Annual 19.997 Days trial$19.991 Year

Questions

Is Big Button Calculator Pro Lite free?
Big Button Calculator Pro Lite is free to download, with no in-app purchases.
Is Caculator free?
Caculator is free to download, with in-app purchases available.
Which has better reviews, Big Button Calculator Pro Lite or Caculator?
Caculator is rated higher. Big Button Calculator Pro Lite averages 4.7 out of 5 from 14K ratings, while Caculator averages 5.0 from 1 ratings.
Do Big Button Calculator Pro Lite or Caculator have ads?
Both Big Button Calculator Pro Lite and Caculator show ads.
Which is updated more often, Big Button Calculator Pro Lite or Caculator?
Big Button Calculator Pro Lite ships an update every 3 months, and Caculator every 10 months. Most recently, Big Button Calculator Pro Lite was updated on October 26, 2026 and Caculator on October 24, 2026.

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