Comparison

Inequality & System Solver vs Logarithm 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

Logarithm Solver

Instantly solve math homework and prepare for exams with step-by-step logarithm solutions. This free app provides 24/7 access to calculations and helpful learning resources. Optional purchase options are available for high-volume users.

Highlights
  • Step-by-step logarithm solutions
  • Instant calculation of any variable
  • Overview of key logarithm rules
  • Curated learning videos
  • Feedback for incorrect inputs
  • Manage saved solutions
Features
Read full description

Finish your homework instantly. Prepare for exams stress-free. Free, complete step-by-step solutions. Choose an equation and calculate any variable. 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 always remain complete. If you need many solutions in a short time, various purchase options are available. EXTRAS - Overview of key logarithm rules - curated learning videos - feedback for incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.

Screenshots

Inequality & System Solver4 screens
Logarithm Solver4 screens

Verdict

The call

The clearest difference is rating: Logarithm Solver at 5.0 against Inequality & System Solver's 4.2. Logarithm Solver also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). Inequality & System Solver's advantage is in-app purchases (none vs 8) and ratings volume (9 vs 1). On price, 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. Logarithm Solver sells 8 one-off in-app purchases. Inequality & System Solver asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Logarithm Solver holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Inequality & System Solver has 9 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Inequality & System Solver ships an update every 2 months, Logarithm Solver every 3 weeks. The most recent releases landed on September 3, 2026 and August 26, 2026 respectively.

Scorecard6 real differences · 4 level
Inequality & System Solver versus Logarithm Solver: the parameters behind the verdict, then further details
ParameterInequality & System SolverLogarithm Solver
PriceFreeFree
Rating4.2 (9 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings9 — better1
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size47 MB180 MB
Age rating4+4+
DeveloperFrancesco VarottiGlindemann, Sennoun, Langer GbR

Customer experience

Inequality & System Solver

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

Logarithm Solver

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Inequality & System Solver

No in-app purchases

8 purchases

Logarithm Solver

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

Questions

Is Inequality & System Solver free?
Inequality & System Solver is free to download, with no in-app purchases.
Is Logarithm Solver free?
Logarithm Solver is free to download, with in-app purchases available.
Which has better reviews, Inequality & System Solver or Logarithm Solver?
Logarithm Solver is rated higher. Inequality & System Solver averages 4.2 out of 5 from 9 ratings, while Logarithm Solver averages 5.0 from 1 ratings.
Do Inequality & System Solver or Logarithm Solver have ads?
Inequality & System Solver shows ads; Logarithm Solver does not.
Which is updated more often, Inequality & System Solver or Logarithm Solver?
Inequality & System Solver ships an update every 2 months, and Logarithm Solver every 3 weeks. Most recently, Inequality & System Solver was updated on September 3, 2026 and Logarithm Solver on August 26, 2026.

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