# VDWrite vs Solving Linear Equation PRO

The clearest difference is review sentiment: VDWrite at 68% against Solving Linear Equation PRO's 0%. VDWrite also leads on price (Free vs $1.99). Solving Linear Equation PRO's advantage is rating (4.6 vs 4.1). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

VDWrite is free to download; Solving Linear Equation PRO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Solving Linear Equation PRO holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 65 and 22 respectively. Written reviews complicate that: 68% of VDWrite's written reviews are positive against 0% of Solving Linear Equation PRO's, so the app with the better star average is not the one people write more warmly about.

VDWrite ships an update monthly, Solving Linear Equation PRO every 3 weeks. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | VDWrite | Solving Linear Equation PRO |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.1 (65 ratings)](https://appshunter.io/ios/app/vdwrite/id920583100/reviews) | **[4.6 (22 ratings)](https://appshunter.io/ios/app/solving-linear-equation-pro/id1273600793/reviews)** |
| Number of ratings | **65** | 22 |
| Positive reviews | **67.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 47 MB | 179 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Opus Noma LLC](https://appshunter.io/developer/1501593543) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### VDWrite

[App page](https://appshunter.io/ios/app/vdwrite/id920583100)

This writing app offers text-to-speech proofreading to catch errors, a word finder for better vocabulary, and an active outline for organizing and restructuring documents. It's designed to help users write more effectively and efficiently.

**Highlights:** Text-to-speech proofreading, Phonetic and meaning word search, Active document outline, Voice dictation support, iCloud synchronization, Cloud storage integration

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is VDWrite free?

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

### Is Solving Linear Equation PRO free?

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

### Which has better reviews, VDWrite or Solving Linear Equation PRO?

Solving Linear Equation PRO is rated higher. VDWrite averages 4.1 out of 5 from 65 ratings, while Solving Linear Equation PRO averages 4.6 from 22 ratings.

### Do VDWrite or Solving Linear Equation PRO have ads?

Neither VDWrite nor Solving Linear Equation PRO shows ads.

### Which is updated more often, VDWrite or Solving Linear Equation PRO?

VDWrite ships an update monthly, and Solving Linear Equation PRO every 3 weeks. Most recently, VDWrite was updated on September 29, 2026 and Solving Linear Equation PRO on October 2, 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.*