# Systems of equations solver vs Probability Calculator Plus

The clearest difference is rating: Probability Calculator Plus at 3.7 against Systems of equations solver's 1.0. Probability Calculator Plus also leads on ratings volume (3 vs 1) and price ($2.99 vs $3.99). Systems of equations solver's advantage is iOS requirement (8.0 vs 17.6). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Systems of equations solver costs $3.99 and Probability Calculator Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Probability Calculator Plus holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Systems of equations solver ships an update every 16 months, Probability Calculator Plus every 23 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Systems of equations solver | Probability Calculator Plus |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/systems-of-equations-solver/id566425829/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/probability-calculator-plus/id1625628315/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 8.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 23 months |
| Monetization | Paid | Paid |
| Size | 25 MB | 1 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Intemodino Group s.r.o.](https://appshunter.io/developer/557849644) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Systems of equations solver

[App page](https://appshunter.io/ios/app/systems-of-equations-solver/id566425829)

This calculator helps solve systems of linear equations with two or three variables. It provides step-by-step solutions, supports various coefficient types, and displays results in both decimal and fractional formats. Users can save and email their equation history.

**Highlights:** Solves 2x2 and 3x3 systems, Step-by-step solutions, Integer, fractional, and decimal coefficients, Results as decimals and fractions, Equation history storage, Email results and history, Portrait and landscape support

**Features:** Vision Pro support

**In-app purchases:** none


### Probability Calculator Plus

[App page](https://appshunter.io/ios/app/probability-calculator-plus/id1625628315)

Master probability and statistics with instant, step-by-step solutions for various calculations and distributions. Includes a random experiment simulator and a comprehensive reference guide.

**Highlights:** Basic and conditional probability calculations, Venn diagram calculator with visual representation, Statistical distributions (Binomial, Normal, Poisson), Random experiment simulator (dice, coins, cards), Step-by-step solutions for all calculations, Calculation history and reference guide

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Systems of equations solver free?

Systems of equations solver costs $3.99, with no in-app purchases.

### Is Probability Calculator Plus free?

Probability Calculator Plus costs $2.99, with no in-app purchases.

### Which has better reviews, Systems of equations solver or Probability Calculator Plus?

Probability Calculator Plus is rated higher. Systems of equations solver averages 1.0 out of 5 from 1 ratings, while Probability Calculator Plus averages 3.7 from 3 ratings.

### Do Systems of equations solver or Probability Calculator Plus have ads?

Neither Systems of equations solver nor Probability Calculator Plus shows ads.

### Which is updated more often, Systems of equations solver or Probability Calculator Plus?

Systems of equations solver ships an update every 16 months, and Probability Calculator Plus every 23 months. Most recently, Systems of equations solver was updated on October 24, 2026 and Probability Calculator Plus on October 24, 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.*