# SimplexLP vs ProgCalc

The clearest difference is price: ProgCalc at Free against SimplexLP's $3.99. ProgCalc also leads on update cadence (fortnightly vs every 12 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ProgCalc is free to download; SimplexLP costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SimplexLP ships an update every 12 months, ProgCalc fortnightly. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SimplexLP | ProgCalc |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simplexlp/id1114880223/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 4 MB | 12 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Axel Besser](https://appshunter.io/developer/790706426) | [Neopoise](https://appshunter.io/developer/563901528) |

## What reviewers say

### SimplexLP

[App page](https://appshunter.io/ios/app/simplexlp/id1114880223)

This app simplifies linear optimization problems with an objective function and constraints. It offers a graphical representation for problems with two variables, making it an ideal learning tool for students and teachers of the Simplex algorithm.

**Highlights:** Solves maximization and minimization problems, Handles unlimited variables and constraints, Supports ≤, ≥, and = inequalities, Provides graphical representation for 2-variable problems, Outputs calculations in fractions or decimals, Offers accurate calculations with fractions

**Features:** macOS Compatibility

**In-app purchases:** none


### ProgCalc

[App page](https://appshunter.io/ios/app/progcalc/id1441551265)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SimplexLP free?

SimplexLP costs $3.99, with no in-app purchases.

### Is ProgCalc free?

ProgCalc is free to download, with no in-app purchases.

### Do SimplexLP or ProgCalc have ads?

Neither SimplexLP nor ProgCalc shows ads.

### Which is updated more often, SimplexLP or ProgCalc?

SimplexLP ships an update every 12 months, and ProgCalc fortnightly. Most recently, SimplexLP was updated on September 28, 2026 and ProgCalc on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*