# Stochastic Signal Processing vs Drawing with Math

Stochastic Signal Processing and Drawing with Math both sit at 4.6 stars, but that hides the real split: 100% of Drawing with Math's written reviews are positive against 67% of Stochastic Signal Processing's. Drawing with Math also leads on update cadence (fortnightly vs every 5 weeks). Stochastic Signal Processing's advantage is iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for Stochastic Signal Processing against 4.5 for Drawing with Math. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews are what separate them: 67% of Stochastic Signal Processing's written reviews are positive against 100% of Drawing with Math's.

Stochastic Signal Processing ships an update every 5 weeks, Drawing with Math fortnightly. The most recent releases landed on July 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Stochastic Signal Processing | Drawing with Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/stochastic-signal-processing/id1450268179/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/drawing-with-math/id6479322887/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 71 MB | 2 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ian Young](https://appshunter.io/developer/1450268178) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Stochastic Signal Processing

[App page](https://appshunter.io/ios/app/stochastic-signal-processing/id1450268179)

Explore the processing of random signals like speech, music, and climate data. This interactive textbook offers dynamic information, films, animations, and 59 real-time laboratory experiments using your device's camera and microphone. It's designed for those with prior signal processing and probability theory knowledge.

**Highlights:** Interactive textbook format, Dynamic information display, Films and animations, 59 laboratory experiments, Real-time signal processing, Homework problems

**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 Stochastic Signal Processing free?

Stochastic Signal Processing 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.

### Which has better reviews, Stochastic Signal Processing or Drawing with Math?

Stochastic Signal Processing is rated higher. Stochastic Signal Processing averages 4.6 out of 5 from 5 ratings, while Drawing with Math averages 4.5 from 2 ratings.

### Do Stochastic Signal Processing or Drawing with Math have ads?

Neither Stochastic Signal Processing nor Drawing with Math shows ads.

### Which is updated more often, Stochastic Signal Processing or Drawing with Math?

Stochastic Signal Processing ships an update every 5 weeks, and Drawing with Math fortnightly. Most recently, Stochastic Signal Processing was updated on July 5, 2026 and Drawing with Math on September 19, 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.*