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 utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Highlights
  • Basic calculations
  • Over 80 themes
  • Theme customization
  • Easy to use interface
Features
Read full description

Calculators (8 modes): Basic — everyday four-function calculator Scientific — trig, logs, powers, roots Tip & Split — tip, total, and per-person split Discount — sale price and how much you save (with tax) Loan — monthly payment with interest Savings — grow a balance over time Unit Price — compare price per unit Convert — length, weight, volume, temperature Personalization: 70+ themes (photo backgrounds, textures, solids) Any accent colour — pick a swatch or dial a custom shade on the colour wheel

Screenshots

Calculator +1 screens
Calculator4 screens

Verdict

The call

Calculator + and Calculator both sit at 4.6 stars, but that hides the real split: 85% of Calculator +'s written reviews are positive against 52% of Calculator's. Calculator + also leads on update cadence (every 4 days vs every 4 weeks). Calculator's advantage is ratings volume (146K vs 10K). On price, rating, 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 + sells 12 in-app purchases, starting at $4.99 per month and Calculator sells 1 one-off in-app purchase. 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 4.5 for Calculator. That said, the two scores are not equally well evidenced: Calculator has 146K ratings behind it against 10K, 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 52% of Calculator's.

UpkeepUpdate frequency

Calculator + ships an update every 4 days, Calculator every 4 weeks. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator + versus Calculator: the parameters behind the verdict, then further details
ParameterCalculator +Calculator
PriceFreeFree
Rating4.6 (10K ratings) — better4.5 (146K ratings)
Positive reviews84.9% of reviews — better51.5% of reviews
Number of ratings10K146K — better
Update frequencyEvery 4 days — betterEvery 4 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.6 — better
Further details — not scored
Size48 MB82 MB
Age rating4+4+
DeveloperxNeat.comThe App Tower 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 ratings146,341 ratings
Positive86.6%
Neutral4.3%
Negative9.1%
Written reviews594 reviews
Positive51.5%
Neutral7.6%
Negative40.9%

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 146K App Store ratings

What we love

  • 👍 Easy to use
  • 🎨 Customizable backgrounds
  • 💯 Accurate calculations
  • 🆒 Unique design
  • 🔍 Helpful for schoolwork

Room to improve

  • 💸 Ads disrupt usage
  • 🔒 Requires payment to remove ads
  • 🔀 Cannot rotate to landscape mode
  • 🐛 Occasional calculation errors
  • 📵 Freezes during use

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
  • Ads freeze the app
  • Incorrect results for certain calculations

Requested features

4 requests
  • Add fraction support
  • Implement a calculation history feature
  • Provide more background theme options
  • Allow landscape mode on tablets

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
1 purchases

Calculator

One-time1
  • Ad Free Calculator$4.99

Questions

Is Calculator + free?
Calculator + is free to download, with in-app purchases available.
Is Calculator free?
Calculator is free to download, with in-app purchases available.
Which has better reviews, Calculator + or Calculator?
Calculator + is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while Calculator averages 4.5 from 146K 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 4 weeks. Most recently, Calculator + was updated on September 24, 2026 and Calculator on September 25, 2026.

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