Comparison

Calculator Max vs Calculator 3.0

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

Head to head
About

Calculator Max

This app offers a comprehensive suite of calculation tools, from basic arithmetic to advanced scientific functions. It features a history tape for easy access and reuse of entries, and a unique scribble pad for handwritten notes and equation solving on iPads. Enjoy a clean interface, multitasking support, and customizable themes.

Highlights
  • Basic and scientific calculators
  • History tape with export options
  • Handwritten notes and equation solving
  • Multitasking support on iPad
  • Customizable themes and app icons
  • Home Screen and Lock Screen widgets
Features
Read full description

Calculator Max makes both simple and complex calculations easy. It offers all calculators you’ll ever need in one carefully designed, uncluttered and easy-to-use package. Switching between calculators is buttery-smooth and natural. The basic calculator with big buttons swiftly handles everyday tasks. The more advanced scientific calculator is loaded with all important mathematical functions and constants. A history tape with your entries is comfortably accessible in all calculator modes. Thanks to it, you never lose track of what you’ve entered and the entries can be reused effortlessly in your calculations. The tape can also be exported to common formats and shared or printed. On the large screen of any iPad it is pure joy to make handwriting notes or draw your ideas right in the app. Write down any math equation and let the app calculate it for you in the blink of an eye. Or reuse any handwriting which you can easily convert to editable text. ————————— WHAT YOU GET ————————— /// POWERFUL CALCULATOR /// — Basic calculator with big buttons — Scientific calculator packed with functions and constants — History tape with the calculations at your fingertips in all modes — Extensive rounding options (e.g. two decimal places for accounting) — Up to 5 memory slots for frequent numbers — Plain Text, Monospaced Text, CSV, PDF and image export formats — Advanced export, share and print options — Scribble Pad on iPad for easy math equations solving, handwritten notes and sketches /// PRODUCTIVE WORKFLOW /// — Side tape layouts for easier long records handling — Clean and uncluttered interface with refined haptic feedback — Multitasking support on iPad for side-by-side work — External keyboard support for even faster input and app control — Universal app for all your iPhones, iPads and Macs — User interface precisely adapted for each device capabilities /// FAST ACCESS /// — Home Screen widgets with last calculations and memory — Widgets for direct access from the Lock Screen — Control Center and Lock Screen fast access buttons /// MIGHTY SCRIBBLE PAD /// — The right place for your quick notes and sketches — Easily calculates any written down math equation — Recognizes your handwriting and converts it to editable text — Fully-fledged notebook with unlimited number of paper sheets — Exportable as text, image or PDF — Optimized for your finger as well as Apple Pencil — Support for LAMY and Adonit styluses (on iPad) — Available on all iPad models /// EXTENSIVE CUSTOMIZATION /// — Handcrafted design themes with dark mode support — Loads of app icons you can easily choose from the best one for your Homescreen — Carefully selected sound sets Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Calculator 3.0

A free, redesigned calculator app offering a simpler, more intuitive experience across Apple devices. Features include customizable themes, advanced scientific functions, and unit conversion, all optimized for various screen sizes and interactions.

Highlights
  • Customizable themes
  • Scientific calculator
  • Unit converter
  • Tip calculator
  • Tally counter
  • iPad multitasking support
  • Apple Watch complications
Features
Read full description

Welcome to Calculator 3.0 for Apple Watch, iPhone, iPad, and iMessage! Frustrated with the ugly and complicated Calculators for iPad, Apple Watch, and Apple TV — Calculator 3.0 was created to provide a better simpler choice....all for Free. The "Original Calculator with Themes for iPad and Apple Watch" is back — Rewritten and redesigned for Apple Watch, iPhone, iPad, and iMessage with Bolder Fonts, iPad Multitasking, Native Watch Support with Complications, and Snappier Performance. Apple Watch The Apple Watch Calculator with Colored Watch Band Themes! Designed for the mobile mathematician with a Scientific Calculator, Tip Calculator, Unit Converter, a Tally Counter, Twenty-Six personalized colored themes for your watch band or style, and... • Force Press (firmly press) on the Calculator to changes themes • Big and bold fonts for readability • Haptic feedback upon button presses • Watch Face Complication support for quick access • Tip Calculator with Digital Crown support • Conversion Calculator with Length, Weight, Volume, Area, and Time units • Counter, Tap to increase or use the Digital Crown for faster input, force press for options • Settings, with option to enable Counter number modular face complication support • Autorotation to Share, when enabled the app rotates when rotating your wrist to show a calculation, tip percentage, unit conversion, or tally number to another person iPhone and iPad • Simple bubble dark interface with Scientific Calculator • iPad Multitasking Support (Landscape and Portrait) • Haptic feedback upon button presses (iPhone 7 and greater) • Gesture Controls, Swipe Up for "Light Mode", Swipe Down for "Dark Mode", Swipe Left to clear the displayed number • 3D Touch Icon — Copy Last Number (iPhone 6s and greater) • Bolder fonts • Tap number to copy • "Drag and Drop" support for iPad, perfect for iPad Multitasking - Tap and hold on the displayed number to select for dragging as text into another app - Drag and Drop text numbers from other apps (Mail, Safari, Notes, etc) over the displayed number area to include the number in the current input iMessage app • Simple Calculator • Tap number to paste into message thread

Screenshots

Calculator Max4 screens
Calculator 3.04 screens

Verdict

The call

The clearest difference is rating: Calculator 3.0 at 4.7 against Calculator Max's 4.3. Calculator 3.0 also leads on monetization model (free vs free with in-app purchases) and update cadence (fortnightly vs every 2 months). On price, ratings volume, ads and in-app purchases 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. Calculator Max sells 2 in-app purchases, starting at $4.99 per year and Calculator 3.0 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calculator 3.0 holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 1.8K and 3.5K respectively. Written reviews point the same way: 55% of Calculator Max's written reviews are positive against 66% of Calculator 3.0's.

UpkeepUpdate frequency

Calculator Max ships an update every 2 months, Calculator 3.0 fortnightly. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator Max versus Calculator 3.0: the parameters behind the verdict, then further details
ParameterCalculator MaxCalculator 3.0
PriceFreeFree
Rating4.3 (1.8K ratings)4.7 (3.5K ratings) — better
Positive reviews55.1% of reviews66.5% of reviews — better
Number of ratings1.8K3.5K — better
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, MaciPhone, iPad, iPod, Apple TV, Apple Watch — better
Requires iOS15.09.0 — better
Further details — not scored
Size126 MB26 MB
Age rating4+4+
DeveloperPavel KozarekSpencer Brown

Customer experience

Calculator Max

All ratings1,651 ratings
Positive82.0%
Neutral2.8%
Negative15.2%
Written reviews292 reviews
Positive55.1%
Neutral3.4%
Negative41.4%

Calculator 3.0

All ratings3,540 ratings
Positive92.8%
Neutral3.3%
Negative3.9%
Written reviews188 reviews
Positive66.5%
Neutral5.9%
Negative27.7%

User reviews

Calculator Max

From 1.8K App Store ratings

What we love

  • 🚀 Easy to use
  • 📝 Useful note-taking feature
  • 💾 Tape/history feature
  • 👍 Clean and intuitive interface
  • 🎨 Customizable appearance

Room to improve

  • 🐛 Compatibility issues with newer iOS versions
  • 📤 Lack of export/sharing options for tape/history
  • 🔍 Difficulty finding settings
  • 🔀 Sensitive orientation switching

Calculator 3.0

From 3.5K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Smooth performance
  • 💡 Useful features (tip calculator, unit converter, tally counter)
  • 🎨 Customizable colors/themes
  • 🔍 Clear and legible display

Room to improve

  • 🐛 Memory function issues
  • 🔊 Loud button click sounds
  • 🔍 Cropped display on iPad
  • 🔍 Blurry graphics

Bugs and requests

Calculator Max

Reported bugs

3 issues
  • Crashes after iOS 26 update
  • Tape not visible/functional on iPhone
  • Calculator buttons/layout issues in split-screen mode

Requested features

5 requests
  • Left-handed mode
  • Backspace/edit functionality
  • Scientific calculator mode with tape
  • Tape annotation/labeling
  • Cloud/Dropbox sync for tape

Calculator 3.0

Reported bugs

3 issues
  • Incorrect calculation results
  • Landscape mode issues
  • Crashes after updates

Requested features

4 requests
  • Add memory function indicator
  • Allow disabling of button click sounds
  • Optimize layout for iPad
  • Improve graphics quality

In-app purchases

2 purchases

Calculator Max

Subscriptions1
  • Calculator Max Pro7 Days trial$4.991 Year
One-time1
  • Calculator Max Pro$3.99
3 purchases

Calculator 3.0

One-time3
  • a Nice Tip$0.99
  • a Generous Tip$2.99
  • an Amazing Tip!$4.99

Questions

Is Calculator Max free?
Calculator Max is free to download, with in-app purchases available.
Is Calculator 3.0 free?
Calculator 3.0 is free to download, with in-app purchases available.
Which has better reviews, Calculator Max or Calculator 3.0?
Calculator 3.0 is rated higher. Calculator Max averages 4.3 out of 5 from 1.8K ratings, while Calculator 3.0 averages 4.7 from 3.5K ratings.
Do Calculator Max or Calculator 3.0 have ads?
Neither Calculator Max nor Calculator 3.0 shows ads.
Which is updated more often, Calculator Max or Calculator 3.0?
Calculator Max ships an update every 2 months, and Calculator 3.0 fortnightly. Most recently, Calculator Max was updated on October 16, 2026 and Calculator 3.0 on October 13, 2026.

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