Comparison

Calculator´ vs Programmer's Calculator

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

Head to head
About

Calculator´

This app is a powerful and intelligent calculator with a smart UI and live results. It offers basic, advanced, and scientific functions, a history log, customizable themes, and user-definable functions. It also includes features like an on-screen timer and iPad multitasking support.

Highlights
  • Live results and natural feel UI
  • User-definable advanced functions
  • History log with easy access
  • Customizable themes and colors
  • On-screen timer
  • iPad multitasking and Spotlight search
Features
Read full description

Stop your math time-wasting today with this app! Designed to help you zip through your daily math in a swift of your own unique style ;-) * LOVED by thousands for its smart UI with Live results & Natural feel Now featuring user-definable advanced Functions that you can Share easily with other Calculator users and optimizations with iPad multitasking, 3D Touch shortcuts, Expandable Widget, Spotlight searching of History + watchOS native App with haptic. Calculator is super intelligent, multi-functional scientific calculator that makes doing math look like art. It has built-in on-screen timer, notif. center Widget, Custom Keyboard, many pre-set functions like Date-time and Base computations and limitless combination of colors, fonts, shapes and sizes. It features standard basic & scientific calculator functions, history log, and an elegant user interface. The quick timer is designed to help your track remaining mins:secs whenever you are on schedule. It is really clever. It can do live math expressions: from the simplest like "1+2" to more advanced expressions like "3+(3x9(80+sin(90)))" Advanced calculator. By swiping left and right on the app, you can easily access over 50+ advanced math functions. History log. Calculator remembers what you have calculated. Swipe up, and you can see all your previous calculations. Colorful Themes. Limitless lovely themes for you to browse, including optional parallax background image of your choice! Easy access. Tap & Hold a math expression to edit it. Shake your device to undo Tap & Hold a number key for smart parenthesis Tap & Hold the decimal point for RANDOM decimal Tap & Hold the “ans” key for answer history Tap & Hold the “÷” key for 1/x Tap & Hold the “-” key to negate Text style Edit option for Expressions Tapping sound options An In-App purchase is ready if you decide to add the Converter and Basic Graphing! Terms of Service & Privacy Policy: https://oval.fi/privacy-calculator Subscription Terms The subscription auto-renews at the end of each term. Payment will be charged to iTunes Account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Any unused portion of a free trial period will be forfeited if you purchase a subscription. Instructions on how to cancel a subscription can be found at the following link: https://support.apple.com/en-us/HT202039.

About

Programmer's Calculator

This application serves as a versatile calculator designed for programmers. It supports conversions and calculations across binary, decimal, and hexadecimal number systems.

Highlights
  • Binary number support
  • Decimal number support
  • Hexadecimal number support
  • Number system conversions
  • Programmer-focused calculations
Features
Read full description

A calculator for programmers that supports binary numbers, decimal numbers, and hexadecimal numbers. Terms of Use : https://norche.jp/app_terms.html Privacy Policy : https://norche.jp/app_policy.html

Screenshots

Calculator´3 screens
Programmer's Calculator1 screens

Verdict

The call

The clearest difference is update cadence: Calculator´ at every 5 weeks against Programmer's Calculator's every 6 months. Calculator´ also leads on review sentiment (70% vs 62%) and device support (4 vs 2). Programmer's Calculator's advantage is iOS requirement (10.0 vs 14.0). On price, rating, ratings volume 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. Calculator´ sells 4 in-app purchases, starting at $0.49 per year and Programmer's Calculator sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Calculator´ against 4.7 for Programmer's Calculator. Both are backed by a comparable volume of ratings — 475 and 845 respectively. Written reviews are what separate them: 70% of Calculator´'s written reviews are positive against 62% of Programmer's Calculator's.

UpkeepUpdate frequency

Calculator´ ships an update every 5 weeks, Programmer's Calculator every 6 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator´ versus Programmer's Calculator: the parameters behind the verdict, then further details
ParameterCalculator´Programmer's Calculator
PriceFreeFree
Rating4.6 (475 ratings)4.7 (845 ratings) — better
Positive reviews70.2% of reviews — better62.1% of reviews
Number of ratings475845 — better
Update frequencyEvery 5 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS14.010.0 — better
Further details — not scored
Size14 MB21 MB
Age rating4+4+
DeveloperOval Software OyYuma Kitasei

Customer experience

Calculator´

All ratings475 ratings
Positive91.2%
Neutral2.7%
Negative6.1%
Written reviews121 reviews
Positive70.2%
Neutral9.9%
Negative19.8%

Programmer's Calculator

All ratings844 ratings
Positive94.8%
Neutral2.8%
Negative2.4%
Written reviews29 reviews
Positive62.1%
Neutral13.8%
Negative24.1%

User reviews

Calculator´

From 475 App Store ratings

What we love

  • 👍 Clean and intuitive user interface
  • 🚀 Fast and efficient performance
  • 📊 Shows calculation progression like paper tape
  • 🎨 Customizable appearance and themes
  • 📱 Works well as iPhone/iPad replacement for default calculator

Room to improve

  • 💰 Switched to subscription model from free/one-time purchase
  • 😤 Bait-and-switch pricing strategy
  • 🔐 Paywall on basic features like clear button
  • 📺 Ads and pop-ups introduced
  • ⚠️ Removed features after update

Programmer's Calculator

From 845 App Store ratings

What we love

  • 🚀 Straightforward and highly functional
  • 👍 Easy to use
  • 💡 Useful for coding and calculations
  • 👍 Practical for binary and hex operations
  • 👍 Displays decimal, binary, and hex simultaneously

Room to improve

  • 🐛 Ads take too long to click out of
  • 🐛 Subscription did not remove ads
  • 🐛 App freezes and crashes
  • 🔋 High battery consumption

Bugs and requests

Calculator´

Reported bugs

6 issues
  • Buttons below numbers 1, 2, 3 not responding
  • App crashes when screen fills with numbers
  • Numbers deleted backwards after full screen
  • Swipe down converter doesn't work properly on iPad
  • Pressing equals multiple times adds duplicate results
Show 1 more
  • App becomes unresponsive and requires restart

Requested features

7 requests
  • Haptic feedback support
  • Fraction calculation support
  • RPN mode
  • iCloud sync for history
  • Automatic parentheses
Show 2 more
  • Simple keyboard-only option
  • Better converter UI (swipe functionality)

Programmer's Calculator

Reported bugs

2 issues
  • Login screen freezes
  • Incompatible with older devices

Requested features

6 requests
  • Add octal support
  • Implement RPN input mode
  • Add 2's complement and bit shift functions
  • Provide visual feedback on calculations
  • Allow setting number of bits
Show 1 more
  • Add landscape mode support

In-app purchases

4 purchases

Calculator´

Subscriptions3
  • Standard features w/ Free Week7 Days trial$0.491 Year
  • Standard features w/ Free Year1 Year trial$0.491 Year
  • Complete feature-set3 Days trial$3.991 Year
One-time1
  • Converter + Graphing$3.99
1 purchases

Programmer's Calculator

Subscriptions1
  • Premium member$0.991 Month

Questions

Is Calculator´ free?
Calculator´ is free to download, with in-app purchases available.
Is Programmer's Calculator free?
Programmer's Calculator is free to download, with in-app purchases available.
Which has better reviews, Calculator´ or Programmer's Calculator?
Programmer's Calculator is rated higher. Calculator´ averages 4.6 out of 5 from 475 ratings, while Programmer's Calculator averages 4.7 from 845 ratings.
Do Calculator´ or Programmer's Calculator have ads?
Neither Calculator´ nor Programmer's Calculator shows ads.
Which is updated more often, Calculator´ or Programmer's Calculator?
Calculator´ ships an update every 5 weeks, and Programmer's Calculator every 6 months. Most recently, Calculator´ was updated on October 8, 2026 and Programmer's Calculator on October 3, 2026.

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