Comparison

Formulas +, your 4 collections vs Equation Solver 4in1

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

Head to head
About

Formulas +, your 4 collections

This app consolidates essential formulas for mathematics, physics, chemistry, and technical subjects into a single, easy-to-use application. It features an intelligent search function and provides clear explanations and graphics to aid understanding.

Highlights
  • Consolidated formulas for multiple subjects
  • Intelligent search function
  • Explanations and graphics
  • Calculation function (In-App Purchase)
  • User suggestion feature
Read full description

Four formularies for mathematics, physics, chemistry and technics? Have to buy all of them individually, load them and open them? NO, not anymore! Formulas + combines all important formularies into one. That means you only need to buy one, load one – it is really easy. The app covers all subjects you have in your school life and is probably the most extensive formulary in the app-store. Awards: App of the week: CW40/2012 – Telefon.de You hate looking for formulas for a long time? Thanks to an integrated intelligent search function searching becomes child’s play and you will find your formulas quickly. Made by students for students. We know what you have to struggle with in the natural scientific mathematical subjects and would like to give you a helping hand with this app. Who does not want a little helper which you can use quickly during the lessons at school or at home when you work at your desk? Even a great mathematician/physicist/chemist/technician is powerless without the right formulas. It does not matter whether you like these subjects or you have difficulties memorizing the combination of letters and arithmetic operators, this app is your best friend in any case. In addition to the formulas you will find extensive, appropriate explanations and graphics, which offer clarity. Available tips for the formulas will help you and provide a good general knowledge. Should you need a hint to find the correct way to calculate, the innovative calculation function with a detailed way to calculate and commentary can be used (In-App Purchase required). Should you have a suggestion for improvement or find a mistake, we will be happy to hear it. To make it as simple as possible for you, we have developed an additional procedure for that. You will have to click on the top right on the "Suggestion send" Button, on the particular formula page. Design and graphics from http://www.global-art-studios.de We explicitly recommend, however, not to use this app and a smartphone during exams, tests, class tests or even final exams and we refuse liability for possible punishment and exclusion as well as failures due to improper and wrong usage of the contents.

About

Equation Solver 4in1

This app helps you solve various types of equations, including linear, quadratic, cubic, and quartic. It provides step-by-step solutions for linear and quadratic equations and stores your calculation history.

Highlights
  • Linear equation solver
  • Quadratic equation solver
  • Cubic equation solver
  • Quartic equation solver
  • Step-by-step solutions
  • Equation history
Features
Read full description

Equation Solver is the ultimate app that helps you solve linear equations in one variable, quadratic equations with real and complex roots, cubic and quartic equations. It's intuitive and easy to use. Just type in any equation you want to solve and Equation Solver will show you the result. Everything you need to solve equations or check results! Features: β€’ Linear Equation Solver. β€’ Quadratic Equation Solver. β€’ Cubic Equation Solver. β€’ Quartic Equation Solver. β€’ Solves equations with fractions and parentheses. Note: the app doesn’t yet support equations with a variable in the denominator. β€’ Supports integers, fractions and decimals, including negative values. β€’ Detailed step-by-step instructions for linear equations and quadratic equations. β€’ Stores history with the possibility to recall previous equations. β€’ Back and forward buttons to check and recall recent equations. β€’ Sends results and history via email.

Screenshots

Formulas +, your 4 collections4 screens
Equation Solver 4in14 screens

Verdict

The call

The clearest difference is in-app purchases: Equation Solver 4in1 at none against Formulas +, your 4 collections's 2. Formulas +, your 4 collections's advantage is review sentiment (38% vs 28%) and price ($3.99 vs $4.99). On update cadence, ads, monetization model and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Formulas +, your 4 collections costs $3.99 and Equation Solver 4in1 $4.99 up front. Formulas +, your 4 collections sells 2 one-off in-app purchases. Equation Solver 4in1 asks for nothing beyond the download.

UpkeepUpdate frequency

Formulas +, your 4 collections ships an update every 4 months, Equation Solver 4in1 every 7 months. The most recent releases landed on October 14, 2026 and October 29, 2026 respectively.

Scorecard3 real differences Β· 5 level
Formulas +, your 4 collections versus Equation Solver 4in1: the parameters behind the verdict, then further details
ParameterFormulas +, your 4 collectionsEquation Solver 4in1
Price$3.99 β€” better$4.99
Positive reviews38.5% of reviews β€” better27.6% of reviews
Update frequencyEvery 4 months β€” betterEvery 7 months
AdsNoNo
In-app purchasesYesNo β€” better
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac β€” better
Requires iOS12.012.0
Further details β€” not scored
Size27 MB13 MB
Age rating4+4+
Developerapp-solutions.deIntemodino Group s.r.o.

Customer experience

Formulas +, your 4 collections

Written reviews13 reviews
Positive38.5%
Neutral0.0%
Negative61.5%

Equation Solver 4in1

Written reviews29 reviews
Positive27.6%
Neutral3.4%
Negative69.0%

In-app purchases

2 purchases

Formulas +, your 4 collections

One-time2
  • Basics Pack$0.99
  • Geometry/Stereometry Pack 1$0.99
None

Equation Solver 4in1

No in-app purchases

Questions

Is Formulas +, your 4 collections free?
Formulas +, your 4 collections costs $3.99, and also offers in-app purchases.
Is Equation Solver 4in1 free?
Equation Solver 4in1 costs $4.99, with no in-app purchases.
Do Formulas +, your 4 collections or Equation Solver 4in1 have ads?
Neither Formulas +, your 4 collections nor Equation Solver 4in1 shows ads.
Which is updated more often, Formulas +, your 4 collections or Equation Solver 4in1?
Formulas +, your 4 collections ships an update every 4 months, and Equation Solver 4in1 every 7 months. Most recently, Formulas +, your 4 collections was updated on October 14, 2026 and Equation Solver 4in1 on October 29, 2026.

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