# Stochastic Signal Processing vs GraphMath

The clearest difference is review sentiment: GraphMath at 100% against Stochastic Signal Processing's 67%. GraphMath also leads on rating (5.0 vs 4.7) and update cadence (fortnightly vs every 5 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

GraphMath holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 6 and 12 respectively. Written reviews point the same way: 67% of Stochastic Signal Processing's written reviews are positive against 100% of GraphMath's.

Stochastic Signal Processing ships an update every 5 weeks, GraphMath fortnightly. The most recent releases landed on September 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Stochastic Signal Processing | GraphMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/stochastic-signal-processing/id1450268179/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/graphmath/id1582680101/reviews)** |
| Number of ratings | 6 | **12** |
| 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 | 73 MB | 6 MB |
| Requires iOS | **15.0** | 15.6 |
| 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, Vision Pro support

**In-app purchases:** none


### GraphMath

[App page](https://appshunter.io/ios/app/graphmath/id1582680101)

This powerful graphing calculator visualizes complex mathematical functions in 2D and 3D. Explore Cartesian, cylindrical, and spherical coordinates with animated graphs and detailed tables of points. It offers features like derivatives, integrals, and intersections for comprehensive mathematical analysis.

**Highlights:** 3D graphing (Cartesian, Cylindrical, Spherical), 2D graphing (Cartesian, Polar, Parametric), Animated graphs, Detailed point tables, Derivative and integral calculations, Intersection point finding, Undo/redo functionality

**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 GraphMath free?

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

### Which has better reviews, Stochastic Signal Processing or GraphMath?

GraphMath is rated higher. Stochastic Signal Processing averages 4.7 out of 5 from 6 ratings, while GraphMath averages 5.0 from 12 ratings.

### Do Stochastic Signal Processing or GraphMath have ads?

Neither Stochastic Signal Processing nor GraphMath shows ads.

### Which is updated more often, Stochastic Signal Processing or GraphMath?

Stochastic Signal Processing ships an update every 5 weeks, and GraphMath fortnightly. Most recently, Stochastic Signal Processing was updated on September 25, 2026 and GraphMath on October 5, 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.*