# Stochastic Signal Processing vs Eng Statics

The clearest difference is rating: Stochastic Signal Processing at 4.6 against Eng Statics's 4.0. Stochastic Signal Processing also leads on update cadence (every 5 weeks vs every 13 months). Eng Statics's advantage is iOS requirement (9.0 vs 12.0). 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.

Stochastic Signal Processing holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 5 and 4 respectively.

Stochastic Signal Processing ships an update every 5 weeks, Eng Statics every 13 months. The most recent releases landed on July 5, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | Stochastic Signal Processing | Eng Statics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/stochastic-signal-processing/id1450268179/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/eng-statics/id1538248792/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 13 months |
| Monetization | Free | Free |
| Size | 71 MB | 21 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ian Young](https://appshunter.io/developer/1450268178) | [Kurt Gramoll](https://appshunter.io/developer/782218116) |

## 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


### Eng Statics

[App page](https://appshunter.io/ios/app/eng-statics/id1538248792)

This app offers a comprehensive collection of real engineering Statics problems and solutions, organized by textbook chapters. It provides detailed explanations with graphics and links to an online eBook for further study. The paid version unlocks over 500 problems for enhanced learning.

**Highlights:** Real homework and test problems, Organized by textbook sections and chapters, Complete solutions with graphics, Links to online eBook theory pages, Over 500 problems in paid version, Problems updated from online database

**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 Eng Statics free?

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

### Which has better reviews, Stochastic Signal Processing or Eng Statics?

Stochastic Signal Processing is rated higher. Stochastic Signal Processing averages 4.6 out of 5 from 5 ratings, while Eng Statics averages 4.0 from 4 ratings.

### Do Stochastic Signal Processing or Eng Statics have ads?

Neither Stochastic Signal Processing nor Eng Statics shows ads.

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

Stochastic Signal Processing ships an update every 5 weeks, and Eng Statics every 13 months. Most recently, Stochastic Signal Processing was updated on July 5, 2026 and Eng Statics on July 7, 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.*