Comparison

Calculator # vs Quadratic Equation AI Solver

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

Quadratic Equation AI Solver

This app instantly solves quadratic equations with detailed, step-by-step solutions. It offers AI-powered explanations to help users understand the underlying mathematical concepts and a dark mode for comfortable viewing.

Highlights
  • Instant quadratic equation solutions
  • AI-powered explanations
  • Detailed step-by-step guidance
  • Handles complex and real roots
  • Supports decimal and negative inputs
  • Dark mode for comfortable viewing
Features
Read full description

Quadratic Equation Solver Pro: Instant Answers & AI Insight Tired of struggling with quadratic equations? This is the upgrade you've been waiting for. Our intuitive calculator instantly solves any quadratic equation and now features powerful AI-driven explanations and a stunning new dark mode for comfortable viewing. Get real roots in moments, complete with a detailed, step-by-step solution. What's New in This Update! *AI-Powered Explanation (NEW!): Go beyond the steps! Tap the new AI button to get a clear, plain-language explanation of why the steps were taken and the mathematical concepts behind the solution. Perfect for truly mastering the material. *Dark Mode (NEW!): Solve equations day or night with a beautiful, eye-friendly interface. Enjoy reduced eye strain while you study. Core Features You'll Love: *Instant Solutions: Quickly solve any quadratic equation with a single tap. *Detailed Guidance: Follow a clear, traditional breakdown of each step to enhance your understanding. *Comprehensive Capabilities: Whether your equation has two roots, one root, or complex/no real roots, get accurate solutions every time. *Flexible Input: Easily handle any equation using decimals or negative numbers for the variables “a”, “b”, and “c” *Precise Results: Obtain rational or irrational answers tailored to your needs.Ideal for students, teachers, or anyone seeking a fast, dependable, and intelligent quadratic equation solver. Download now to make math simpler, faster, and smarter! PRO FEATURES *ELEGANT DARK MODE Study or work comfortably in any lighting. Our beautiful Dark Mode is easy on the eyes, perfect for late-night sessions or use in any professional setting. *AI EXPLANATIONS (New!) Don't just get the answer—understand it. Our revolutionary AI feature provides a clear, step-by-step breakdown of the calculation. It instantly tells you if the problem is a direct or inverse proportion and explains why, making it the perfect educational tool. A subscription is needed to unlock PRO features including Dark mode and AI Explanation. Payment will be charged to your Apple ID account upon confirming the purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription at any time from your account settings in the App Store. Read the EULA Terms in the following link https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calculator #4 screens
Quadratic Equation AI Solver4 screens

Verdict

The call

The clearest difference is rating: Quadratic Equation AI Solver at 5.0 against Calculator #'s 4.6. Calculator #'s advantage is ratings volume (36K vs 2) and iOS requirement (12.1 vs 15.0). On price, update cadence, 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 6 in-app purchases, starting at $1.49 per month and Quadratic Equation AI Solver sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Quadratic Equation AI Solver holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Calculator # has 36K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator # versus Quadratic Equation AI Solver: the parameters behind the verdict, then further details
ParameterCalculator #Quadratic Equation AI Solver
PriceFreeFree
Rating4.6 (36K ratings)5.0 (2 ratings) — better
Positive reviews59.5% of reviews—
Number of ratings36K — better2
Update frequencyEvery 2 monthsEvery 2 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.1 — better15.0
Further details — not scored
Size57 MB120 MB
Age rating4+4+
DeveloperIncpt.MobisJuan Antonio Veloz Gutierrez

Customer experience

Calculator #

All ratings35,876 ratings
Positive90.4%
Neutral3.8%
Negative5.8%
Written reviews467 reviews
Positive59.5%
Neutral6.4%
Negative34.0%

Quadratic Equation AI Solver

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

Quadratic Equation AI Solver

Not enough reviews yet to summarise bugs or requests.

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
2 purchases

Quadratic Equation AI Solver

Subscriptions2
  • PRO Quadratic Calculator Weekly3 Days trial$4.997 Days
  • PRO Quadratic Calculator Yearly$24.991 Year

Questions

Is Calculator # free?
Calculator # is free to download, with in-app purchases available.
Is Quadratic Equation AI Solver free?
Quadratic Equation AI Solver is free to download, with in-app purchases available.
Which has better reviews, Calculator # or Quadratic Equation AI Solver?
Quadratic Equation AI Solver is rated higher. Calculator # averages 4.6 out of 5 from 36K ratings, while Quadratic Equation AI Solver averages 5.0 from 2 ratings.
Do Calculator # or Quadratic Equation AI Solver have ads?
Both Calculator # and Quadratic Equation AI Solver show ads.
Which is updated more often, Calculator # or Quadratic Equation AI Solver?
Calculator # ships an update every 2 months, and Quadratic Equation AI Solver every 2 months. Most recently, Calculator # was updated on October 27, 2026 and Quadratic Equation AI Solver on October 22, 2026.

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