# BASIC LR Instructor vs Drawing with Math

The clearest difference is update cadence: Drawing with Math at fortnightly against BASIC LR Instructor's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BASIC LR Instructor ships an update every 4 months, Drawing with Math fortnightly. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | BASIC LR Instructor | Drawing with Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/drawing-with-math/id6479322887/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 4 MB | 2 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [The Chinese University of Hong Kong](https://appshunter.io/developer/369070876) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### BASIC LR Instructor

[App page](https://appshunter.io/ios/app/basic-lr-instructor/id1363840643)

**Features:** macOS Compatibility

**In-app purchases:** none


### Drawing with Math

[App page](https://appshunter.io/ios/app/drawing-with-math/id6479322887)

This app offers vector and pixel art editors with tools for free drawing, shapes, and function plotting. It allows for linear transformations of images using matrices, eigenvalues, and rotations, alongside pixel image compression.

**Highlights:** Vector and pixel art editors, Free drawing and shape tools, Function plotting (Cartesian, polar, parametric), Linear image transformations (matrix, rotation), Pixel image compression, Editable greeting cards

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BASIC LR Instructor free?

BASIC LR Instructor is free to download, with no in-app purchases.

### Is Drawing with Math free?

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

### Do BASIC LR Instructor or Drawing with Math have ads?

Neither BASIC LR Instructor nor Drawing with Math shows ads.

### Which is updated more often, BASIC LR Instructor or Drawing with Math?

BASIC LR Instructor ships an update every 4 months, and Drawing with Math fortnightly. Most recently, BASIC LR Instructor was updated on October 2, 2026 and Drawing with Math on October 6, 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.*