Inequality & System Solver vs Logarithm Solver
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Step-by-step inequality solutions
- Systems of inequalities solver
- Practice exercises with solutions
- Integrated theory pages
- Dedicated math keyboard
Read full descriptionHide 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!
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.
- 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
Read full descriptionHide 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
Verdict
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
Both are free to download. Logarithm Solver sells 8 one-off in-app purchases. Inequality & System Solver asks for nothing beyond the download.
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.
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.
| Parameter | Inequality & System Solver | Logarithm Solver |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (9 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 47 MB | 180 MB |
| Age rating | 4+ | 4+ |
| Developer | Francesco Varotti | Glindemann, Sennoun, Langer GbR |
Customer experience
Inequality & System Solver
Logarithm Solver
In-app purchases
Inequality & System Solver
No in-app purchases
Logarithm Solver
- +30 User Tokens$0.29
- +1 Convenience Token / 6h, max. +2$0.59
- +2 Convenience Tokens / 6h, max. +4$0.99
Show 5 moreShow fewer
- +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?
Is Logarithm Solver free?
Which has better reviews, Inequality & System Solver or Logarithm Solver?
Do Inequality & System Solver or Logarithm Solver have ads?
Which is updated more often, Inequality & System Solver or Logarithm Solver?
Other comparisons















