Or Simplex Step-by-Step Solver Android

Or Simplex Step-by-Step Solver

OR Solver (Simplex method, Branch-and-Bound, Transportation, Big M)

Features & Capabilities

OR Simplex Step-by-Step Solver is a comprehensive Chrome extension designed for advanced operational research problem solving. Validated by Kyiv Polytechnic University professors, it supports the Simplex algorithm with two-phase and branch-and-bound techniques, enabling users to solve complex linear programming problems accurately.

The extension offers visualization for two-variable linear programming problems, integer solution support, sensitivity and post-optimal analysis, and efficient methods for transportation and assignment problems including Least-Cost, North-West Corner, Vogel’s Approximation, MODI-UV, and Hungarian Algorithm. It also handles job sequencing scenarios with Johnson's Algorithm for multiple machines. Additional features include a dedicated mathematical keyboard for input, step-by-step solution explanations, organized problem storage, fractional input/output support, AI-driven commenting for insights, multilingual interface, and offline functionality for accessibility anytime and anywhere. This powerful tool is ideal for students, educators, and professionals in operational research and optimization.

User Growth & Download Statistics

By:
Simplex Developers
Downloads:
88,480 122
Rating:
4.61
(916)
Version:
13.1.2 Last updated: 2026-05-24
Version code:
130
Creation date:
2013-04-20
Publisher country:
UA UA
Permissions:
  • android.permission.READ_EXTERNAL_STORAGE High risk
  • android.permission.WRITE_EXTERNAL_STORAGE High risk
  • android.permission.Ad_ID Moderate risk
  • com.google.android.gms.permission.AD_ID Moderate risk
  • android.permission.ACCESS_ADSERVICES_AD_ID Low risk
  • android.permission.ACCESS_ADSERVICES_ATTRIBUTION Low risk
  • android.permission.ACCESS_ADSERVICES_TOPICS Low risk
  • android.permission.FOREGROUND_SERVICE Low risk
  • android.permission.INTERNET Low risk
  • android.permission.WAKE_LOCK Low risk
  • See more
Size:
13.69MB
Email:
co*****@simplx.dev
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-06-12
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
Simplex Developers
Google Play Store
https://play.google.com/store/apps/details?id=com.simplex
Email:
co*****@simplx.dev
Website:
https://simplx.dev/

User Reviews

Users find the Or Simplex Step-by-Step Solver app very helpful, accurate, and useful for teaching and solving linear programming problems. The app's multilingual support, including Persian, is appreciated, especially by those unable to afford English classes. However, several users mention limitations like restrictions on rows and columns, essential features locked behind payment, occasional app crashes, and language setting issues. Despite these drawbacks, the app is highly recommended for both students and educators in Operations Research.
Pros
  • App is very helpful and useful for solving simplex algorithm problems.
  • Supports multiple languages, including Persian/Farsi, aiding non-English speakers.
  • Highly recommended for students and teachers of Operations Research and linear programming.
  • Offers a premium/pro version with additional features.
  • Accurate and strong performance noted by users.
Cons
  • Limitations on adding rows and columns in the free version.
  • Many features locked behind a paid/pro version.
  • App crashes or stops working when using certain features, such as the dual option.
  • Some users unable to change language to certain options, e.g., Farsi.
  • Minimum constraints requirement is confusing or restrictive.
Recent reviews
Better than ChatGPT in solving Simplex Problems, and gives a better detailed step-by-step guide that's helpful in case I missed a step. I Definitely recommend!
by In*****, 2025-12-28

It's really helpful, but only problem is, there's a limitation of adding rows and columns.
by Pa*****, 2024-05-14

All is paid
by Tr*****, 2023-12-24
View all user reviews ›

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