# Linear Equations Calculator vs functionCalculator

The clearest difference is in-app purchases: functionCalculator at none against Linear Equations Calculator's 8. functionCalculator also leads on rating (4.3 vs 4.1) and iOS requirement (10.3 vs 15.0). Linear Equations Calculator's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 11 months). On price and device support there is nothing between them.

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

functionCalculator holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 28 and 6 respectively.

Linear Equations Calculator ships an update every 3 weeks, functionCalculator every 11 months. The most recent releases landed on September 14, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Linear Equations Calculator | functionCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (28 ratings)](https://appshunter.io/ios/app/linear-equations-calculator/id1246761828/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/functioncalculator/id1275985289/reviews)** |
| Number of ratings | **28** | 6 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 11 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 179 MB | 6 MB |
| Requires iOS | 15.0 | **10.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Jirou Fukuda](https://appshunter.io/developer/689603483) |

## 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 |


### functionCalculator

[App page](https://appshunter.io/ios/app/functioncalculator/id1275985289)

This app calculates the value of mathematical functions y = f(x) for various types of numbers, including irrational ones. It displays results as exact fractions with square roots and can convert them to decimals. The app also supports calculations involving two different input values, alpha and beta.

**Highlights:** Calculate function values for any number type, Display results as exact fractions, Convert results to decimal, Perform operations on two input values, Supports irrational numbers

**Features:** macOS Compatibility

**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 functionCalculator free?

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

### Which has better reviews, Linear Equations Calculator or functionCalculator?

functionCalculator is rated higher. Linear Equations Calculator averages 4.1 out of 5 from 28 ratings, while functionCalculator averages 4.3 from 6 ratings.

### Do Linear Equations Calculator or functionCalculator have ads?

functionCalculator shows ads; Linear Equations Calculator does not.

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

Linear Equations Calculator ships an update every 3 weeks, and functionCalculator every 11 months. Most recently, Linear Equations Calculator was updated on September 14, 2026 and functionCalculator on June 1, 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.*