Comparison

Equation & System Solver vs SPI

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

Head to head
About

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.

Highlights
  • Step-by-step equation solving
  • Practice exercises with solutions
  • Mathematical theory cards
  • Advanced mathematical keyboard
  • Supports various equation types
Features
Read full description

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!

About

SPI

Features
Read full description

SPI è l'app della Scuola Psicoterapia Integrata. Il sistema consente di gestire i vari aspetti della scuola, dai corsi al calendario delle lezioni, dalle presenze ai recuperi. Tramite l’App per Smartphone, i docenti gestiscono il proprio calendario, inseriscono le presenze e ricevono notifiche.

Screenshots

Equation & System Solver4 screens
SPI4 screens

Verdict

The call

The clearest difference is ads: SPI at none against Equation & System Solver's shown. Equation & System Solver's advantage is update cadence (every 2 months vs every 4 months). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Equation & System Solver ships an update every 2 months, SPI every 4 months. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 7 level
Equation & System Solver versus SPI: the parameters behind the verdict, then further details
ParameterEquation & System SolverSPI
PriceFreeFree
Rating4.9 (11 ratings) — better—
Number of ratings11 — better—
Update frequencyEvery 2 months — betterEvery 4 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size47 MB50 MB
Age rating4+4+
DeveloperFrancesco VarottiBluCloud Srl Semplificata

In-app purchases

None

Equation & System Solver

No in-app purchases

None

SPI

No in-app purchases

Questions

Is Equation & System Solver free?
Equation & System Solver is free to download, with no in-app purchases.
Is SPI free?
SPI is free to download, with no in-app purchases.
Do Equation & System Solver or SPI have ads?
Equation & System Solver shows ads; SPI does not.
Which is updated more often, Equation & System Solver or SPI?
Equation & System Solver ships an update every 2 months, and SPI every 4 months. Most recently, Equation & System Solver was updated on October 5, 2026 and SPI on October 9, 2026.

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