Comparison

Inequality & System Solver vs Derivative Calculator Solver

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

Head to head
About

Inequality & System Solver

This app provides step-by-step solutions for inequalities and systems of inequalities. It includes practice exercises, theory pages, and a dedicated math keyboard for easy input. Ideal for students and math enthusiasts seeking to understand and solve mathematical challenges.

Highlights
  • Step-by-step inequality solutions
  • Systems of inequalities solver
  • Practice exercises with solutions
  • Integrated theory pages
  • Dedicated math keyboard
Features
Read full description

Turn your device into the perfect math study companion. "Inequality & System Solver" is the ultimate app that guides you through solving inequalities, helping you understand the logic behind the numbers and always get the right results. Here's everything our app can do for you: ▶ STEP-BY-STEP SOLUTIONS Get the solution in an instant. But we don't stop at the final result: the app shows you all the logical steps in detail to solve polynomial, rational, radical, exponential, and absolute value inequalities, and many more. It's the perfect tool to understand your mistakes, learn the correct method, and get fully prepared for homework and exams. ▶ SYSTEMS OF INEQUALITIES Easily solve systems with multiple inequalities. The app supports step-by-step solving by clearly showing the sign analysis and the intersection of solutions, allowing you to study and apply the exact method taught in class. ▶ INTEGRATED MATH KEYBOARD Use our dedicated interface to easily type variables, fractions, exponents, roots, parentheses, greater than and less than symbols, and much more. And if you need to paste an inequality or prefer to use your device's standard keyboard, you can switch between modes in a snap. ▶ GUIDED EXERCISES FOR PRACTICE Test your skills with a rich library of ready-to-solve inequalities, sorted by difficulty and complete with detailed solutions, so you can strengthen your math foundation whenever you want. ▶ THEORY AND RULES ALWAYS AT HAND Having a memory lapse? Review fundamental principles, sign rules, and solving methods right in the app. Everything you need to know about inequality algebra is in one place. ▶ CLEAN INTERFACE AND DARK THEME No complications. The UI is simple, intuitive, and includes an elegant dark theme, specifically optimized to prevent eye strain during your evening study sessions. ▶ GUARANTEED RELIABILITY Our algorithms are tested and highly optimized to ensure accurate and instant calculations every time, even for the most complex systems and inequalities. ▶ CONSTANT UPDATES AND SUPPORT The app is regularly updated to always offer you the best performance and new features. Download "Inequality & System Solver" today and take your math skills to the next level!

About

Derivative Calculator Solver

This app calculates the derivative of mathematical functions, providing step-by-step solutions and geometrical interpretations. It supports complex functions and offers an advanced keyboard for various mathematical operations. Results can be downloaded as a PDF.

Highlights
  • Derivative calculation
  • Step-by-step solutions
  • Geometrical interpretation
  • Advanced keyboard
  • PDF download
  • Offline functionality
Features
Read full description

Use this limit derivative calculator app to calculate derivative of a function perfectly. Differentiation involves the changing rate of a function with respect to a certain variable. Subject to a simple-to-use differentiation calculator to differentiate a function properly. Example: Suppose if a car is running at a particular velocity with respect to the time and suddenly it changes. This change is acceleration and acts as the derivative of the velocity function by means of time. Our online derivative finder immediately resolves such instant changes and displays results on your screen. Geometrical Interpretation Of Derivative: In geometry, the differentiation refers to the slope of a line. This particular line lies on the tangent of the curve. You can easily enter a function of the line in this derivatives calculator. How To Calculate Derivative Of Complex Functions: This d/dx calculator provides you with an edge of determining the variations in the complicated functions by means of no time. Infact, you can also calculate derivative step by step at any certain point with the help of the online derivatives calculator app. How calculus derivative calculator works? Enter the function in the menu bar Select the4 variable with respect to which you want to determine the derivative of the given function Select the number of repetitions upto level 5 Tap the calculate button Features Of Online Differential Calculator: User-Friendly Interface Advanced keyboard for entering trigonometric and logarithmic functions Available online as well as offline 100% Absolute Results Free Downloadable PDF File of final results with detailed steps involved Step-By-Step Calculations Easy to use So grab this free derivative calculator and determine the deviations of simpler or even complex functions immediately. Privacy Policy: https://calculator-online.net/privacy-policy/ Terms of Service: https://calculator-online.net/terms-of-service/

Screenshots

Inequality & System Solver4 screens
Derivative Calculator Solver4 screens

Verdict

The call

The clearest difference is in-app purchases: Inequality & System Solver at none against Derivative Calculator Solver's 1. Inequality & System Solver also leads on update cadence (every 2 months vs every 7 months). Derivative Calculator Solver's advantage is ads (none vs shown). On price, rating, ratings volume 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. Derivative Calculator Solver sells 1 one-off in-app purchase. Inequality & System Solver asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for Inequality & System Solver against 4.3 for Derivative Calculator Solver. Both are backed by a comparable volume of ratings — 9 and 12 respectively.

UpkeepUpdate frequency

Inequality & System Solver ships an update every 2 months, Derivative Calculator Solver every 7 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

Scorecard4 real differences · 6 level
Inequality & System Solver versus Derivative Calculator Solver: the parameters behind the verdict, then further details
ParameterInequality & System SolverDerivative Calculator Solver
PriceFreeFree
Rating4.2 (9 ratings)4.3 (12 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings912 — better
Update frequencyEvery 2 months — betterEvery 7 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size47 MB39 MB
Age rating4+4+
DeveloperFrancesco VarottiAsad Ahsan

Customer experience

Inequality & System Solver

All ratings9 ratings
Positive77.8%
Neutral11.1%
Negative11.1%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Derivative Calculator Solver

All ratings12 ratings
Positive83.3%
Neutral8.3%
Negative8.3%

In-app purchases

None

Inequality & System Solver

No in-app purchases

1 purchases

Derivative Calculator Solver

One-time1
  • Derivative Calculator Premium$4.99

Questions

Is Inequality & System Solver free?
Inequality & System Solver is free to download, with no in-app purchases.
Is Derivative Calculator Solver free?
Derivative Calculator Solver is free to download, with in-app purchases available.
Which has better reviews, Inequality & System Solver or Derivative Calculator Solver?
Derivative Calculator Solver is rated higher. Inequality & System Solver averages 4.2 out of 5 from 9 ratings, while Derivative Calculator Solver averages 4.3 from 12 ratings.
Do Inequality & System Solver or Derivative Calculator Solver have ads?
Inequality & System Solver shows ads; Derivative Calculator Solver does not.
Which is updated more often, Inequality & System Solver or Derivative Calculator Solver?
Inequality & System Solver ships an update every 2 months, and Derivative Calculator Solver every 7 months. Most recently, Inequality & System Solver was updated on October 5, 2026 and Derivative Calculator Solver on October 3, 2026.

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