iSolveModel vs LinearSolver
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iSolveModel
This app offers a powerful linear programming solver for iOS devices, utilizing the simplex algorithm and an integrated MIP solver for integer variables. It's designed for students and professionals in operations research and related fields, allowing easy model creation and sharing.
- Linear programming solver
- Simplex algorithm
- Integrated MIP solver
- Sensitivity analysis
- iTunes File Sharing
- Email model/solution transfer
- Text-based model documents
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Looking for a mathematical model solver running on your iPad/iPhone/iPod Touch? This is iSolveModel, an easy-to-use linear programming optimizer running on iPad as well as on iPhone and using the simplex algorithm method with pivot as the main solver engine as well as an integrated MIP solver for 0-1 variables and integer numbers. The purpose of this application is to provide a linear programming solver for the iPad/iPhone/iPod Touch community as well as for students and teachers, particularly for those in Operations Research / Operations Management / Industrial Engineering or related courses (college/undergraduate students). Features: - Number of decision variables and constraints only limited by the available memory of the device - Sensitivity analysis reports on variable coefficients and right-hand side when solving pure linear models - Documents can be transferred via iTunes File Sharing - Mathematical models and solutions can be sent by email - Model documents are text files, no proprietary format - Solution documents as HTML - Supports all device orientations Benefits: - Affordable - Easy-to-use modeling, models are like the ones in textbooks - Fast learning curve
LinearSolver
Solve systems of linear equations with multiple variables using two distinct methods. Input your equations, select a solving technique, and view detailed step-by-step solutions. Ideal for students and professionals needing quick and accurate calculations.
- Solves systems of linear equations
- Supports n variables
- Gaussian elimination method
- Cramer's rule method
- Detailed solution steps
- User-friendly input interface
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LinearSolver is an app that designed to solve systems of linear equations with n variables. You enter equations in the field, then choose solving method and press a button «Solve». Then program solves your linear system. There are two methods for solving: Gaussian elimination and Cramer's rule. For more intelligibility enable the «detailed solution».
Screenshots
Verdict
The clearest difference is review sentiment: iSolveModel at 71% against LinearSolver's 0%. iSolveModel also leads on rating (5.0 vs 3.0) and update cadence (every 4 months vs every 39 months). LinearSolver's advantage is price ($1.99 vs $9.99) and iOS requirement (12.0 vs 17.1). On ratings volume, ads, in-app purchases and monetization model 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
iSolveModel costs $9.99 and LinearSolver $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iSolveModel holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 71% of iSolveModel's written reviews are positive against 0% of LinearSolver's.
iSolveModel ships an update every 4 months, LinearSolver every 39 months. The most recent releases landed on September 12, 2026 and September 22, 2026 respectively.
| Parameter | iSolveModel | LinearSolver |
|---|---|---|
| Price | $9.99 | $1.99 — better |
| Rating | 5.0 (2 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 71.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 4 months — better | Every 39 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | MINDTech | Alexander Gurzhiev |
Customer experience
iSolveModel
LinearSolver
In-app purchases
iSolveModel
No in-app purchases
LinearSolver
No in-app purchases
Questions
Is iSolveModel free?
Is LinearSolver free?
Which has better reviews, iSolveModel or LinearSolver?
Do iSolveModel or LinearSolver have ads?
Which is updated more often, iSolveModel or LinearSolver?
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