Comparison

Calculator # vs Emu50g

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

Head to head
About

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.

Highlights
  • Math Photos Solver
  • Handwriting Recognition
  • AI Math Problem Solver
  • Mathematical Display
  • Equation Solvers
  • 2D Graphing
  • Algebraic Functions
Features
Read full description

◉ 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/

About

Emu50g

This app provides a full emulation of the HP50g scientific calculator, complete with its original skin. Save and load calculator states, manage libraries, and transfer data to and from your computer. Enjoy sound effects and a high-definition interface for a familiar calculator experience on your device.

Highlights
  • Full HP50g calculator emulation
  • Save and load calculator states
  • Manage and load custom libraries
  • Copy/paste to device clipboard
  • File transfer via WiFi/LAN
  • Original HD skin
  • Sound effects
Features
Read full description

Emu50G is an emulator for the famous HP50g scientific calculator with its original skin. Carry your favorite calculator along with you every day and use it together with your favorite library! Features: -------- • Full emulation of the HP50g calculator. (You should refer to original HP50g user guide to learn how to use it.) • Save (backup) actual calc state and create new one. • Load saved state (restore backup). • Save and load your favorite libraries, etc. (you must provide them by yourself) • Copy and paste your calculator results or screenshots to and from the iPhone/iPod clipboard. • Transfer files from and to your computer (WiFi and LAN required). • Original HD skin files. • Support for landscape (currently for Whole Sized skin – iPad default skin) • Support of sound effects. • Tap the LCD to get more information.

Screenshots

Calculator #4 screens
Emu50g1 screens

Verdict

The call

The clearest difference is price: Calculator # at Free against Emu50g's $8.99. Calculator # also leads on rating (4.6 vs 4.0) and ratings volume (36K vs 46). Emu50g's advantage is in-app purchases (none vs 6) and ads (none vs shown). On 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

CostPrice · In-app purchases · Ads · Monetization

Calculator # is free to download; Emu50g costs $8.99 up front. Calculator # sells 6 in-app purchases, starting at $1.49 per month. Emu50g asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calculator # holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Calculator # has 36K ratings behind it against 46, so its average is the more settled of the two. Written reviews point the same way: 60% of Calculator #'s written reviews are positive against 51% of Emu50g's.

UpkeepUpdate frequency

Calculator # ships an update every 2 months, Emu50g every 6 weeks. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

Scorecard8 real differences · 2 level
Calculator # versus Emu50g: the parameters behind the verdict, then further details
ParameterCalculator #Emu50g
PriceFree — better$8.99
Rating4.6 (36K ratings) — better4.0 (46 ratings)
Positive reviews59.7% of reviews — better50.7% of reviews
Number of ratings36K — better46
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.18.0 — better
Further details — not scored
Size57 MB44 MB
Age rating4++4
DeveloperIncpt.MobisTheWinterStorm (Marek Zima)

Customer experience

Calculator #

All ratings35,876 ratings
Positive90.4%
Neutral3.8%
Negative5.8%
Written reviews466 reviews
Positive59.7%
Neutral6.4%
Negative33.9%

Emu50g

All ratings46 ratings
Positive71.7%
Neutral4.3%
Negative23.9%
Written reviews148 reviews
Positive50.7%
Neutral4.7%
Negative44.6%

User reviews

Calculator #

From 36K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Powerful functionality
  • 💡 Helpful for math classes
  • ⭐ Great for students
  • 👌 Works like a real calculator

Room to improve

  • 🔍 Confusing interface after update
  • 📢 Too many intrusive ads
  • 💰 Paywall for advanced features
  • 🐛 Incorrect calculations
  • 🔇 Loud audio ads

Emu50g

From 46 App Store ratings

What we love

  • 👍 Functions like the real calculator
  • 🚀 Fast calculations
  • 📱 Convenient mobile access
  • 💡 Good for engineering calculations
  • ✨ Familiar RPN interface

Room to improve

  • 🐛 Frequent crashes and freezes
  • 🐌 Slow performance and lag
  • ❌ Does not work after iOS updates
  • 🚫 Buttons are too small/difficult to press
  • 📉 Poor screen resolution/font rendering

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

Emu50g

Reported bugs

16 issues
  • App crashes on startup
  • App freezes during use
  • App stops working after iOS updates
  • App does not open
  • App closes immediately after opening
Show 11 more
  • Data in Port 2 is lost
  • Key presses are not registered or delayed
  • Display shows garbage or is blank
  • Unable to load skin
  • Programs/libraries are corrupted or disappear
  • File structure is inaccessible
  • Copy/paste functionality is broken
  • Input mode indicators are missing
  • Calculator screen doesn't turn on
  • Error message 'cant open XML'
  • Calculations are incorrect (e.g., 18/5 = 18/5)

Requested features

17 requests
  • Update application urgently
  • Fix iOS compatibility issues
  • Improve key sensitivity/button size
  • Add high-resolution skin option
  • Allow program installation via file manager/iTunes
Show 12 more
  • Add Viga G program
  • Support for SD card emulation
  • Improve Port 2 stability
  • Option for dark mode
  • Better skins with bigger keys
  • Support for 64-bit iOS 11
  • Make calculator screen larger/occupy full screen
  • Allow transfer of programs from physical calculator
  • Fix copy/paste to/from stack
  • Add input mode indicators (left-shift, right-shift, alpha)
  • Fix Port 2 data persistence issue
  • Improve visual design of opening screen

In-app purchases

6 purchases

Calculator #

Subscriptions4
  • 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
Show 1 more
  • PRO + Recognition 3 Months$11.993 Months
One-time2
  • 250 AI Recognition & Queries$0.99
  • 600 AI Recognition & Queries$1.99
None

Emu50g

No in-app purchases

Questions

Is Calculator # free?
Calculator # is free to download, with in-app purchases available.
Is Emu50g free?
Emu50g costs $8.99, with no in-app purchases.
Which has better reviews, Calculator # or Emu50g?
Calculator # is rated higher. Calculator # averages 4.6 out of 5 from 36K ratings, while Emu50g averages 4.0 from 46 ratings.
Do Calculator # or Emu50g have ads?
Calculator # shows ads; Emu50g does not.
Which is updated more often, Calculator # or Emu50g?
Calculator # ships an update every 2 months, and Emu50g every 6 weeks. Most recently, Calculator # was updated on October 20, 2026 and Emu50g on October 17, 2026.

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