Comparison

Simplex vs MyFormulae

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

Head to head
About

Simplex

Features
Read full description

Do you spend hours solving algebraic matrices by hand, only to have a single sign error ruin your entire Linear Optimization exercise? Understanding the Simplex Algorithm in Operations Research can be frustrating. Current tools are clunky, confusing, and seem like they're from the 90s. DISCOVER SIMPLEX EDUCATIONAL The high-fidelity academic tool designed exclusively for iOS and iPadOS that transforms complex matrices into a fluid, readable, and intuitive visual experience. Perfect for students of Industrial Engineering, Economics, Business Administration, and optimization professionals. WHAT YOU CAN DO: โ€ข Dynamic Model Builder: Switch between Maximization (Max Z) and Minimization (Min Z). Enter constraints with operators (โ‰ค, โ‰ฅ, =). โ€ข Intelligent Engine: Automatic conversion to Standard Form (injecting slack, surplus, and artificial variables). โ€ข Special Case Detection: Identifies unique, multiple (infinite), unbounded, or infeasible solutions without infinite loops. โ€ข Local History with SwiftData: Audit your past problems instantly, without re-entering large matrices. CHOOSE HOW TO LEARN: 1. FINAL RESULT MODE (Free): Your executive success card. Visualize the optimal vertex with specific color codes (Green for unique solution, Purple for multiple). 2. STEP-BY-STEP MODE: An interactive learning log that details each iteration and pivot in ultra-readable, single-spaced tables. Access it for free through rewarded ads or unlock it forever. PRO PASS (One-Time Payment - No Subscriptions): Completely remove ads, unlock unlimited offline Step-by-Step Guides, and export your completed exercises as LaTeX code or professional PDFs. Designed following Apple's guidelines to offer you a clean, dark, and fast interface. Pass your course without frustration!

About

MyFormulae

Features
Read full description

MyFormulae is a powerful mathematics and calculation app designed to help students, teachers, engineers, and professionals solve complex mathematical problems quickly and accurately. The app includes advanced matrix calculations, mathematical formulas, and easy-to-use calculation tools in a clean, intuitive interface. Features include: Matrix calculations (multiple matrix sizes) Fast mathematical computations Formula reference library Simple and modern interface Offline functionality Permanent unlocks for additional matrix sizes through in-app purchases Whether you're studying mathematics, working on engineering problems, or performing everyday calculations, MyFormulae provides reliable tools to make solving problems easier.

Screenshots

Simplex4 screens
MyFormulae4 screens

Verdict

The call

The clearest difference is ads: MyFormulae at none against Simplex's shown. MyFormulae also leads on iOS requirement (13.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Simplex sells 1 one-off in-app purchase and MyFormulae sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences ยท 4 level
Simplex versus MyFormulae: the parameters behind the verdict, then further details
ParameterSimplexMyFormulae
PriceFreeFree
Update frequencyโ€”Fortnightly
AdsYesNo โ€” better
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS26.013.0 โ€” better
Further details โ€” not scored
Size5 MB22 MB
Age rating4+4+
DeveloperFernando CastilloRicardo Castelejo

In-app purchases

1 purchases

Simplex

One-time1
  • Simplex Premium$1.99
6 purchases

MyFormulae

One-time6
  • Unlock Matrix 6ร—6$2.49
  • Upgrade to Matrix 8ร—8$2.49
  • Upgrade to Matrix 10ร—10$2.49
Show 3 more
  • Unlock Matrix 8ร—8$4.99
  • Upgrade to Matrix 10ร—10$5.00
  • Unlock Matrix 10ร—10$7.49

Questions

Is Simplex free?
Simplex is free to download, with in-app purchases available.
Is MyFormulae free?
MyFormulae is free to download, with in-app purchases available.
Do Simplex or MyFormulae have ads?
Simplex shows ads; MyFormulae does not.

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