Calculator # vs Roman Numerals Converter Easy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator #
This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.
- Math Photos Solver
- Handwriting Recognition
- AI Math Problem Solver
- Mathematical Display
- Equation Solvers
- 2D Graphing
- Algebraic Functions
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◉ Over 11,000,000 Downloads Worldwide ◉ Top Free Utilities Apps in US, UK, AUS, CAN, GER,... ◉ Rated & Reviewed on ILoveFreeSoftware.com FREE Alternative to Graphing TI-83, TI-84, TI-89, Casio FX, Sharp EL,... Calculator # – The free, multi-function calculator for iPhone/iPad is proud to offer a variety of features to satisfy wide ranges of customers: The App possesses a powerful math core and algebra engine with mathematical display support, making it a viable tool for everyone from those looking for basic calculation to more advanced users, such as scientific computation, engineers, and math students. Calculator # makes available everything you need – including a user manual and tutorial video clips – so you can master the app in a matter of minutes! ◉ Official Website: http://iPhoneCalculator.com ◉ ADVANCED FEATURES: ▸ Math Photos Solver * ▸ Handwriting Recognition * ▸ Math Problem Solver (AI) * ◉ GENERAL FEATURES: ▸ Universal Calculator App ▸ Support All the Latest Devices ¹ ▸ Support Multitasking (iPad) ▸ Support Wireless KB ² ▸ Mathematical Display ▸ Edit & Export Expression/Result ▸ History Tape View ▸ Basic Calculations (+, -, x, ÷, %, Abs,...) ▸ Advanced Functions (Sin,Cos,Ln,X!, ^, √,…) ▸ 14 Memory Variables (Including X,Y,Z,M) ▸ Assignment Operator ▸ F(x) Customize Functions (F1 Only) ▸ Fraction and Degree/Angle Calculation ▸ Numeric Integral Calculation ▸ Dual Skins (Silver Light & Carbon+) ◉ ALGEBRA FEATURES: ▸ Big Integer & Rational Number (Up to 30!) ▸ Expand and Factor Polynomials ▸ Basic Indefinite integral ◉ EQUATIONS SOLVERS: ▸ Quadratic Equations ▸ System of Linear Equations (2 Unknowns) ◉ 2D GRAPH: ▸ Snap to Points ▸ Smooth Zoom & Transformation ▸ Support F(X,Y) = 0. E.g. Sin(X) + Cos(Y) = 0. ◉ MULTIPLE LANGUAGES: ▸ English, Spanish, German, ▸ French, Japanese, Chinese (*) In-App-Purchase is required ¹: Include iPhone 6/6S+ HD Retina Display ²: Standard English KB We love your feedback, Thanks a lot ! Terms of Service: https://iphonecalculator.com/terms-of-service/
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.
- Number to Roman numeral conversion
- Roman numeral to number conversion
- Easy-to-use interface
- Quick and reliable system
- Multitasking support
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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
Verdict
The clearest difference is in-app purchases: Roman Numerals Converter Easy at none against Calculator #'s 6. Roman Numerals Converter Easy also leads on ads (none vs shown) and iOS requirement (9.1 vs 12.1). On price, review sentiment, update cadence 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
Both are free to download. Calculator # sells 6 in-app purchases, starting at $1.49 per month. Roman Numerals Converter Easy asks for nothing beyond the download.
Calculator # ships an update every 2 months, Roman Numerals Converter Easy every 4 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.
| Parameter | Calculator # | Roman Numerals Converter Easy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (36K ratings) — better | — |
| Positive reviews | 70.7% of reviews | 75.0% of reviews — better |
| Number of ratings | 36K — better | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 | 9.1 — better |
| Further details — not scored | ||
| Size | 57 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Incpt.Mobis | William Taylor |
Customer experience
Calculator #
Roman Numerals Converter Easy
Bugs and requests
Calculator #
Reported bugs
3 issues- Crashes when trying to use certain functions
- Handwriting recognition not working reliably
- Inability to input negative numbers
Requested features
3 requests- Add option to turn off animation
- Improve ad placement to avoid obstructing usage
- Provide more transparency on paid features
Roman Numerals Converter Easy
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator #
- PRO Upgrade 1 Month3 Days trial$1.491 Month
- PRO Upgrade 3 Months7 Days trial$2.993 Months
- PRO + Recognition 1 Month$4.991 Month
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- PRO + Recognition 3 Months$11.993 Months
- 250 AI Recognition & Queries$0.99
- 600 AI Recognition & Queries$1.99
Roman Numerals Converter Easy
No in-app purchases
Questions
Is Calculator # free?
Is Roman Numerals Converter Easy free?
Do Calculator # or Roman Numerals Converter Easy have ads?
Which is updated more often, Calculator # or Roman Numerals Converter Easy?
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