Comparison

Calculator + vs Roman Numerals Converter Easy

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 elegant interface. Upgrade for advanced features like graphing, equation solving, and unit conversions. Supports fractions, percentages, and multiple themes.

Highlights
  • Free basic and scientific calculator
  • Elegant and intuitive interface
  • Advanced editing and equation display
  • Fraction and percent support
  • Graphing and equation solving
  • Base converter and multiple themes
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

Roman Numerals Converter Easy

Easily convert between standard numbers and Roman numerals with a simple interface. This reliable tool offers quick conversions in both directions, making it a straightforward utility for any user. It supports multitasking on compatible devices.

Highlights
  • Number to Roman numeral conversion
  • Roman numeral to number conversion
  • Easy-to-use interface
  • Quick and reliable system
  • Multitasking support
Features
Read full description

Convert numbers to Roman Numerals. Or the other way round. The easy way. The simple to use interface and very quick and reliable conversion system makes this app the best available! Features Include: -Easy to use interface -Supports multitasking(on iOS 9+) -Ad free!

Screenshots

Calculator +4 screens
Roman Numerals Converter Easy2 screens

Verdict

The call

The clearest difference is in-app purchases: Roman Numerals Converter Easy at none against Calculator +'s 10. Roman Numerals Converter Easy also leads on ads (none vs shown) and iOS requirement (9.1 vs 16.4). Calculator +'s advantage is update cadence (every 5 days vs every 4 months) and review sentiment (85% vs 75%). On price 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. Calculator + sells 10 in-app purchases, starting at $4.99 per month. Roman Numerals Converter Easy asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator + ships an update every 5 days, Roman Numerals Converter Easy every 4 months. The most recent releases landed on November 5, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 4 level
Calculator + versus Roman Numerals Converter Easy: the parameters behind the verdict, then further details
ParameterCalculator +Roman Numerals Converter Easy
PriceFreeFree
Rating4.6 (10K ratings) — better—
Positive reviews84.9% of reviews — better75.0% of reviews
Number of ratings10K — better—
Update frequencyEvery 5 days — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.49.1 — better
Further details — not scored
Size50 MB34 MB
Age rating4+4+
DeveloperxNeat.comWilliam Taylor

Customer experience

Calculator +

All ratings10,276 ratings
Positive91.9%
Neutral2.8%
Negative5.3%
Written reviews942 reviews
Positive84.9%
Neutral4.0%
Negative11.0%

Roman Numerals Converter Easy

Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

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

Roman Numerals Converter Easy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Calculator +

Subscriptions2
  • Scientific Calculator3 Days trial$4.991 Month
  • Calculator7 Days trial$39.991 Year
One-time8
  • Linear Calculator$2.99
  • Factoring Calculator$2.99
  • Handwriting Calculator$2.99
Show 5 more
  • Graphing Calculator$3.99
  • Fraction Calculator$3.99
  • Scientific Calculator$4.99
  • Calculator Plus$4.99
  • Calculator$16.99
None

Roman Numerals Converter Easy

No in-app purchases

Questions

Is Calculator + free?
Calculator + is free to download, with in-app purchases available.
Is Roman Numerals Converter Easy free?
Roman Numerals Converter Easy is free to download, with no in-app purchases.
Do Calculator + or Roman Numerals Converter Easy have ads?
Calculator + shows ads; Roman Numerals Converter Easy does not.
Which is updated more often, Calculator + or Roman Numerals Converter Easy?
Calculator + ships an update every 5 days, and Roman Numerals Converter Easy every 4 months. Most recently, Calculator + was updated on November 5, 2026 and Roman Numerals Converter Easy on November 2, 2026.

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