# Solving Linear Equation PRO vs First Degree Equation (ax+b=c)

The clearest difference is in-app purchases: Solving Linear Equation PRO at none against First Degree Equation (ax+b=c)'s 1. Solving Linear Equation PRO also leads on price ($1.99 vs $2.99). First Degree Equation (ax+b=c)'s advantage is iOS requirement (13.0 vs 15.0). On update cadence, ads and device support there is nothing between them.

Solving Linear Equation PRO costs $1.99 and First Degree Equation (ax+b=c) $2.99 up front. First Degree Equation (ax+b=c) sells 1 one-off in-app purchase. Solving Linear Equation PRO asks for nothing beyond the download.

Solving Linear Equation PRO ships an update every 3 weeks, First Degree Equation (ax+b=c) every 2 weeks. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Solving Linear Equation PRO | First Degree Equation (ax+b=c) |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[4.6 (22 ratings)](https://appshunter.io/ios/app/solving-linear-equation-pro/id1273600793/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 179 MB | 43 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [Paulo Narra](https://appshunter.io/developer/1251717382) |

## What reviewers say

### Solving Linear Equation PRO

[App page](https://appshunter.io/ios/app/solving-linear-equation-pro/id1273600793)

Solve linear equations with detailed, step-by-step solutions and visualize the results with plots. Save and access past calculations through a history function, and easily share your final answers.

**Highlights:** Step-by-step equation solving, Plotting of results, Calculation history, Input validation, Decimal and fraction support, Solution sharing

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

**In-app purchases:** none


### First Degree Equation (ax+b=c)

[App page](https://appshunter.io/ios/app/first-degree-equation-ax-plus-bc/id1344600536)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Solving Linear Equation PRO free?

Solving Linear Equation PRO costs $1.99, with no in-app purchases.

### Is First Degree Equation (ax+b=c) free?

First Degree Equation (ax+b=c) costs $2.99, and also offers in-app purchases.

### Do Solving Linear Equation PRO or First Degree Equation (ax+b=c) have ads?

Neither Solving Linear Equation PRO nor First Degree Equation (ax+b=c) shows ads.

### Which is updated more often, Solving Linear Equation PRO or First Degree Equation (ax+b=c)?

Solving Linear Equation PRO ships an update every 3 weeks, and First Degree Equation (ax+b=c) every 2 weeks. Most recently, Solving Linear Equation PRO was updated on October 15, 2026 and First Degree Equation (ax+b=c) on October 8, 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.*