Comparison

Calculator + vs 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 offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Highlights
  • Free basic and scientific calculator
  • Intuitive interface with equation and result display
  • Fraction and percent support
  • Advanced editing capabilities
  • Polynomial and linear equation solver
  • Graphing calculator
  • Unit conversion and geometric calculators
Features
Read full description

Award winning calculator app for iPad and iPhone. Designed with simplicity, usability and beauty in mind! FEATURES: - Free basic calculator - Free scientific calculator - Elegant & Intuitive interface - Advanced editing by easily going back and forth - Displays both the equation & the result at the same time - Supports Fraction & Percent - Supports many scientific functions If you are looking for more advanced features you can upgrade to one or more of the following: - Fraction Calculator with feet, inches & cm support! - Solving for x with a polynomial Calculator for solving quadratic & cubic equations 2x³ - 4x² - 22x + 24 = 0 - Linear Equations Solver for solving system of linear equations 2x – y = 9 3x + 4y = –14 - Graphing Calculator to find the local min, max & intersection points y = 2x³ – 4x (x² + y²)³ = -27y²x² - Triangle Calculator - Cone Calculator - Arc Calculator - Circle Calculator - Base Converter ( HEX OCT BIN DEC ) - Multiple themes Enjoy the FREE Scientific calculator on your iPhone & iPad. If you like it, support us by upgrading or giving us a positive review. Thanks :) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Calculator

This is a straightforward calculator application designed for ease of use and clear readability. Users can personalize the app's appearance by choosing their preferred background and display themes.

Highlights
  • Easy to use interface
  • Clear display
  • Customizable background
  • Customizable display themes
Features
Read full description

Calculator-- is a simple calculator that is easy to use and read. Select the desired background and display. If you like this app, please consider giving it a rating. Your support will help keep the updates coming! Thank you for your support!

Screenshots

Calculator +1 screens
Calculator2 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator at none against Calculator +'s 12. Calculator +'s advantage is update cadence (every 4 days vs every 13 months) and ratings volume (10K vs 910). On price, rating, review sentiment 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 12 in-app purchases, starting at $4.99 per month. Calculator asks for nothing beyond the download.

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 Calculator. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 910, so its average is the more settled of the two. Written reviews are what separate them: 85% of Calculator +'s written reviews are positive against 80% of Calculator's.

UpkeepUpdate frequency

Calculator + ships an update every 4 days, Calculator every 13 months. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator + versus Calculator: the parameters behind the verdict, then further details
ParameterCalculator +Calculator
PriceFreeFree
Rating4.6 (10K ratings)4.7 (910 ratings) — better
Positive reviews84.9% of reviews — better79.6% of reviews
Number of ratings10K — better910
Update frequencyEvery 4 days — betterEvery 13 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size48 MB11 MB
Age rating4+4+
DeveloperxNeat.comHorizon Business, Inc.

Customer experience

Calculator +

All ratings10,020 ratings
Positive91.7%
Neutral2.9%
Negative5.4%
Written reviews940 reviews
Positive84.9%
Neutral4.0%
Negative11.1%

Calculator

All ratings905 ratings
Positive92.9%
Neutral3.1%
Negative4.0%
Written reviews98 reviews
Positive79.6%
Neutral7.1%
Negative13.3%

User reviews

Calculator +

From 10K App Store ratings

What we love

  • 👍 Great features and easy to use
  • 👍 Efficient and quick
  • 👍 Versatile, functional calculator
  • 👍 Fantastic, easy to use app
  • 👍 Awesome calculator app

Room to improve

  • 🐛 New updated layout is awful
  • 🐛 App is now terrible
  • 🔒 Paying customer screwed over by update
  • 🔒 Now timed trial, no free w/ads version
  • 🔒 Not honest

Calculator

From 910 App Store ratings

What we love

  • 💻 Easy to use
  • 🎨 Colorful and visually appealing
  • 👀 Large, easy-to-read numbers
  • 🎯 Accurate calculations
  • 🆓 Free app

Room to improve

  • 🔊 Loud button clicking sound that can't be turned off
  • 📏 Lacks landscape mode
  • 🔢 No percentage or advanced math functions

Bugs and requests

Calculator +

Reported bugs

5 issues
  • Fraction calculator has TWO subtraction buttons and NO division button
  • Decimals seem to be changed to fraction with no apparent way of changing it back
  • Functionality is dropped by forcing you to the main menu every time you open it
  • Currency converter broken
  • Login screen freezes

Requested features

5 requests
  • Add mod function
  • Add commas
  • Add 1/x function
  • Support for Retina Display
  • Add number 4 with two lines

Calculator

Reported bugs

2 issues
  • Sound toggle switch doesn't work to turn off sounds
  • App crashes or freezes on some devices

Requested features

3 requests
  • Add percentage and other advanced math functions
  • Allow landscape mode
  • Add option to turn off button sounds

In-app purchases

12 purchases

Calculator +

Subscriptions2
  • Scientific Calculator3 Days trial$4.991 Month
  • Calculator7 Days trial$39.991 Year
One-time10
  • Linear Calculator$2.99
  • Factoring Calculator$2.99
  • Handwriting Calculator$2.99
Show 7 more
  • Currency Converter$2.99
  • Themes Pack$2.99
  • Graphing Calculator$3.99
  • Fraction Calculator$3.99
  • Scientific Calculator$4.99
  • Calculator Plus$4.99
  • Calculator$16.99
None

Calculator

No in-app purchases

Questions

Is Calculator + free?
Calculator + is free to download, with in-app purchases available.
Is Calculator free?
Calculator is free to download, with no in-app purchases.
Which has better reviews, Calculator + or Calculator?
Calculator is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while Calculator averages 4.7 from 910 ratings.
Do Calculator + or Calculator have ads?
Both Calculator + and Calculator show ads.
Which is updated more often, Calculator + or Calculator?
Calculator + ships an update every 4 days, and Calculator every 13 months. Most recently, Calculator + was updated on September 24, 2026 and Calculator on September 8, 2026.

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