Comparison

Linear Equations Calculator vs Inequality & System Solver

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

Head to head
About

Linear Equations Calculator

This educational app solves linear equations with detailed step-by-step solutions and visual plots. It supports various input methods, including points and slopes, and saves all calculations in a history log for easy access and sharing.

Highlights
  • Step-by-step linear equation solving
  • Graphical plotting of results
  • Calculation history log
  • Supports various input methods (points, slope)
  • Decimal and fraction input support
  • Solution sharing functionality
Features
Read full description

Get your homework done instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter your values and compute linear equations from slope, intercept, or two points – including graphical visualization. HOW IT WORKS Enter your values in the appropriate fields and get started. You’ll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, for example: - which features are used - how many solutions are generated This helps us improve. No conclusions can be drawn about you. COSTS Everything is free to use. 24/7 access to your solutions. All solution steps are always fully shown. If you need many solutions in a short time, various purchase options are available. EXTRAS - Overview of input options - Curated learning videos - Feedback for incorrect inputs - Manage your own solutions - Introduction to the app CONTACT Questions and feedback via Discord or directly in the app review.

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!

Screenshots

Linear Equations Calculator4 screens
Inequality & System Solver4 screens

Verdict

The call

The clearest difference is in-app purchases: Inequality & System Solver at none against Linear Equations Calculator's 8. Inequality & System Solver also leads on review sentiment (100% vs 75%). Linear Equations Calculator's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, rating, device support and iOS requirement 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. Linear Equations Calculator sells 8 one-off in-app purchases. 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 — 4.1 for Linear Equations Calculator against 4.2 for Inequality & System Solver. Both are backed by a comparable volume of ratings — 28 and 9 respectively. Written reviews are what separate them: 75% of Linear Equations Calculator's written reviews are positive against 100% of Inequality & System Solver's.

UpkeepUpdate frequency

Linear Equations Calculator ships an update every 3 weeks, Inequality & System Solver every 2 months. The most recent releases landed on September 14, 2026 and September 3, 2026 respectively.

Scorecard6 real differences · 4 level
Linear Equations Calculator versus Inequality & System Solver: the parameters behind the verdict, then further details
ParameterLinear Equations CalculatorInequality & System Solver
PriceFreeFree
Rating4.1 (28 ratings)4.2 (9 ratings) — better
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings28 — better9
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size179 MB47 MB
Age rating4+4+
DeveloperGlindemann, Sennoun, Langer GbRFrancesco Varotti

Customer experience

Linear Equations Calculator

All ratings28 ratings
Positive78.6%
Neutral0.0%
Negative21.4%
Written reviews16 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Inequality & System Solver

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

In-app purchases

8 purchases

Linear Equations Calculator

One-time8
  • +30 User Tokens$0.29
  • +1 Convenience Token / 6h, max. +2$0.59
  • +2 Convenience Tokens / 6h, max. +4$0.99
Show 5 more
  • +150 User Tokens$0.99
  • +300 User Tokens$1.49
  • +4 Convenience Tokens / 6h, max. +8$1.59
  • Remove Ads$1.99
  • Lifetime Access$1.99
None

Inequality & System Solver

No in-app purchases

Questions

Is Linear Equations Calculator free?
Linear Equations Calculator is free to download, with in-app purchases available.
Is Inequality & System Solver free?
Inequality & System Solver is free to download, with no in-app purchases.
Which has better reviews, Linear Equations Calculator or Inequality & System Solver?
Inequality & System Solver is rated higher. Linear Equations Calculator averages 4.1 out of 5 from 28 ratings, while Inequality & System Solver averages 4.2 from 9 ratings.
Do Linear Equations Calculator or Inequality & System Solver have ads?
Inequality & System Solver shows ads; Linear Equations Calculator does not.
Which is updated more often, Linear Equations Calculator or Inequality & System Solver?
Linear Equations Calculator ships an update every 3 weeks, and Inequality & System Solver every 2 months. Most recently, Linear Equations Calculator was updated on September 14, 2026 and Inequality & System Solver on September 3, 2026.

Other comparisons