# Reader++ vs Linear Algebra Visualizer

Reader++ and Linear Algebra Visualizer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Reader++ sells 4 in-app purchases, starting at $4.99 per month and Linear Algebra Visualizer sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Reader++ ships an update fortnightly, Linear Algebra Visualizer every 2 weeks. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Reader++ | Linear Algebra Visualizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/linear-algebra-visualizer/id6763524968/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 14 MB | 12 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Mahamad Kanoute](https://appshunter.io/developer/1870610177) | [Niclas Jeppsson](https://appshunter.io/developer/1561597241) |

## What reviewers say

### Reader++

[App page](https://appshunter.io/ios/app/reader-plus-plus/id6758053050)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus — Monthly | $4.99 | per month |
| Pro Monthly | $14.99 | per month |
| Plus — Yearly | $39.99 | per year |
| Pro Yearly | $119.99 | per year |


### Linear Algebra Visualizer

[App page](https://appshunter.io/ios/app/linear-algebra-visualizer/id6763524968)

This app helps you understand linear algebra by visualizing matrix transformations. It shows the step-by-step math behind transformations, allowing you to build visual intuition and see how matrices work.

**Highlights:** Visualize matrix transformations, Understand step-by-step math, Build visual intuition, See effect of TRS order, Explore eigenvectors and eigenvalues, Manipulate transformations

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |
| Pro | $34.99 | per year |
| Pro | $99.99 | one-time |


## Frequently asked questions

### Is Reader++ free?

Reader++ is free to download, with in-app purchases available.

### Is Linear Algebra Visualizer free?

Linear Algebra Visualizer is free to download, with in-app purchases available.

### Do Reader++ or Linear Algebra Visualizer have ads?

Neither Reader++ nor Linear Algebra Visualizer shows ads.

### Which is updated more often, Reader++ or Linear Algebra Visualizer?

Reader++ ships an update fortnightly, and Linear Algebra Visualizer every 2 weeks. Most recently, Reader++ was updated on October 2, 2026 and Linear Algebra Visualizer on October 3, 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.*