# Linear Equations Calculator vs Expression Solver

The clearest difference is in-app purchases: Expression Solver at none against Linear Equations Calculator's 8. Expression Solver also leads on review sentiment (100% vs 75%). Linear Equations Calculator's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Linear Equations Calculator sells 8 one-off in-app purchases. Expression Solver asks for nothing beyond the download.

Linear Equations Calculator ships an update every 3 weeks, Expression Solver monthly. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Linear Equations Calculator | Expression Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (28 ratings)](https://appshunter.io/ios/app/linear-equations-calculator/id1246761828/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 179 MB | 47 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Francesco Varotti](https://appshunter.io/developer/1501752853) |

## What reviewers say

### Linear Equations Calculator

[App page](https://appshunter.io/ios/app/linear-equations-calculator/id1246761828)

This educational app solves linear equations with detailed step-by-step solutions and visual plots. It supports various input methods, including points and slopes, and saves all calculations in a history log for easy access and sharing.

**Highlights:** Step-by-step linear equation solving, Graphical plotting of results, Calculation history log, Supports various input methods (points, slope), Decimal and fraction input support, Solution sharing functionality

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |


### Expression Solver

[App page](https://appshunter.io/ios/app/expression-solver/id1555902561)

This app provides step-by-step solutions for mathematical expressions, helping users improve their math skills. It features a specialized keyboard for easy input of complex numbers and offers practice exercises with detailed explanations.

**Highlights:** Instant expression solving, Step-by-step explanations, Math keyboard for complex input, Practice exercises with solutions, Intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Linear Equations Calculator free?

Linear Equations Calculator is free to download, with in-app purchases available.

### Is Expression Solver free?

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

### Do Linear Equations Calculator or Expression Solver have ads?

Expression Solver shows ads; Linear Equations Calculator does not.

### Which is updated more often, Linear Equations Calculator or Expression Solver?

Linear Equations Calculator ships an update every 3 weeks, and Expression Solver monthly. Most recently, Linear Equations Calculator was updated on October 2, 2026 and Expression Solver on October 5, 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.*