# Equation & Expression Solver vs StackCalc Calculator

The clearest difference is iOS requirement: StackCalc Calculator at 16.0 against Equation & Expression Solver's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 10, 2026.

## The numbers

| Metric | Equation & Expression Solver | StackCalc Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/equation-and-expression-solver/id6783565968/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 2 MB | 102 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tarek Haidar](https://appshunter.io/developer/899007016) | [Abraham Bagherjeiran](https://appshunter.io/developer/1513861366) |

## What reviewers say

### Equation & Expression Solver

[App page](https://appshunter.io/ios/app/equation-and-expression-solver/id6783565968)

This app assists middle and high school students in solving and simplifying algebraic equations and expressions. It provides step-by-step solutions with clear explanations, mimicking a teacher's approach. The app features a custom math keypad for easy input of variables, fractions, and exponents.

**Highlights:** Solves linear and polynomial equations, Simplifies algebraic expressions, Provides step-by-step worked solutions, Handles fractions with variables, Factors differences and sums of cubes, Custom math keypad for input

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

**In-app purchases:** none


### StackCalc Calculator

[App page](https://appshunter.io/ios/app/stackcalc-calculator/id6801788040)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Equation & Expression Solver free?

Equation & Expression Solver is free to download, with no in-app purchases.

### Is StackCalc Calculator free?

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

### Do Equation & Expression Solver or StackCalc Calculator have ads?

Neither Equation & Expression Solver nor StackCalc Calculator shows ads.

### Which is updated more often, Equation & Expression Solver or StackCalc Calculator?

Equation & Expression Solver ships an update every 2 months, and StackCalc Calculator every 2 months. Most recently, Equation & Expression Solver was updated on November 10, 2026 and StackCalc Calculator on November 10, 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.*