Equation & System Solver vs OCTO Flashcards
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Equation & System Solver
This app provides step-by-step solutions for various types of mathematical equations. It includes practice exercises, theory cards, and an advanced keyboard for easy input of complex symbols.
- Step-by-step equation solving
- Practice exercises with solutions
- Mathematical theory cards
- Advanced mathematical keyboard
- Supports various equation types
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Turn your device into the perfect math study companion. "Equation & System Solver" is the ultimate app that guides you through finding the unknowns, 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 equations, 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 EQUATIONS Easily solve systems with multiple unknowns. The app supports step-by-step solving using substitution, comparison, elimination, and Cramer's rule, 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, and much more. And if you need to paste an equation 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 equations, 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, formulas, and solving methods right in the app. Everything you need to know about equation 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 equations. ▶ CONSTANT UPDATES AND SUPPORT The app is regularly updated to always offer you the best performance and new features. Download "Equation & System Solver" today and take your math skills to the next level!
OCTO Flashcards
This app offers a digital solution for studying with flashcards, allowing users to write and draw using an Apple Pencil. It provides organizational tools like folders and color-coding, along with study features to track mastered cards and facilitate quick review sessions. Go paperless and create unlimited study materials without cost.
- Apple Pencil support for writing and drawing
- Cloud-backed database for card storage
- Folder organization and color-coding
- Mastered card tracking
- Quick study sessions with swipe/tap gestures
- Unlimited card creation
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Let OCTO solve the tradeoff between modern technology and traditional flashcard studying! Utilize your Apple Pencil to write or draw anything you need to memorize- no more constraints from text-only flashcards. STAY ORGANIZED * OCTO's cloud-backed database ensures you never lose your flashcards * Keep all your study materials in one place * Group together flashcard sets into folders * Color code your flashcard sets and folders STUDY EFFECTIVELY * Memorize as you create your flashcards by writing out your material * Keep track of cards you have mastered * Choose to study only mastered cards for a challenge or all flashcards for a refresh * Have quick study sessions with our simple swipe or tap gestures GO PAPERLESS * Create unlimited cards without worrying about the costs * Reduce paper waste and your carbon footprint
Screenshots
Verdict
The clearest difference is rating: Equation & System Solver at 4.9 against OCTO Flashcards's 2.6. Equation & System Solver also leads on device support (3 vs 1). OCTO Flashcards's advantage is update cadence (every 11 days vs every 2 months). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Equation & System Solver holds the better App Store score, 4.9 against 2.6. Both are backed by a comparable volume of ratings — 11 and 16 respectively.
Equation & System Solver ships an update every 2 months, OCTO Flashcards every 11 days. The most recent releases landed on September 17, 2026 and August 20, 2026 respectively.
| Parameter | Equation & System Solver | OCTO Flashcards |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (11 ratings) — better | 2.6 (16 ratings) |
| Positive reviews | — | 53.8% of reviews |
| Number of ratings | 11 | 16 — better |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 47 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Francesco Varotti | Elaine Kodama |
Customer experience
Equation & System Solver
OCTO Flashcards
In-app purchases
Equation & System Solver
No in-app purchases
OCTO Flashcards
No in-app purchases
Questions
Is Equation & System Solver free?
Is OCTO Flashcards free?
Which has better reviews, Equation & System Solver or OCTO Flashcards?
Do Equation & System Solver or OCTO Flashcards have ads?
Which is updated more often, Equation & System Solver or OCTO Flashcards?
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