# SISO Calculator

> Intuitive System Dynamics and Controls analysis tool for engineers and students. (iPhone/iPad app by Deft Dynamics LLC.)

- Source: https://appshunter.io/ios/app/siso-calculator/id1548141101 (this page in markdown: same URL + `.md`)
- Developer: [Deft Dynamics LLC](https://appshunter.io/developer/1288783778)
- Category: Education, Utilities
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 4 MB
- Languages: English
- Released: 2021-01-10
- Data updated: 2026-06-03
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/siso-calculator/id1548141101/reviews.md

## What is SISO Calculator?

SISO Calculator was built to help practicing engineers and students get an intuitive sense of System Dynamics and Controls. The interface is focused so you can quickly interact with controllers and plants to see immediately how time and frequency interact and how controllers behave.

## Key features

- System Dynamics analysis
- Controls engineering
- Intuitive interface
- Time domain analysis
- Frequency domain analysis
- Controller interaction visualization

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/siso-calculator/id1548141101/reviews.md

### 5/5 — Mech eng student saved by this app

*2022-11-07*

I used this app to experiment and test the theory in my analogic control class and its awesome and works perfectly 100% recommend it !

## Frequently asked questions about SISO Calculator

### What is SISO Calculator used for?

SISO Calculator is designed to help practicing engineers and students gain an intuitive understanding of System Dynamics and Controls. It allows for quick interaction with controllers and plants to visualize their behavior in time and frequency domains.

### Is SISO Calculator free to use?

Yes, SISO Calculator is available for free. It does not have any associated costs for download or use, and there are no in-app purchases or advertisements.

### What devices support SISO Calculator?

SISO Calculator is compatible with iPhone, iPad, and iPod devices. It is built for the iOS ecosystem.

### How often is SISO Calculator updated?

The latest version of SISO Calculator is 1.2.5, last updated on March 30, 2025. This indicates a relatively active development cycle for the application.

### What is the age rating for SISO Calculator?

SISO Calculator has an age rating of 4+, making it suitable for a wide range of users, including younger students and adults.

### Does SISO Calculator offer certifications?

SISO Calculator is an educational tool for understanding concepts in System Dynamics and Controls. It does not currently offer formal certifications upon completion of any modules or analyses.

### What learning methodology does SISO Calculator employ?

SISO Calculator focuses on an intuitive, interactive approach. Users can directly manipulate controllers and plants to observe immediate effects, facilitating a hands-on learning experience for complex engineering principles.

### How does SISO Calculator track user progress?

SISO Calculator is primarily a simulation and analysis tool. It allows users to perform various calculations and visualize system responses, but it does not feature a formal progress tracking system for educational courses.

## Version history (last 5 releases)

### 1.2.5 — 2025-03-30

Fixed a bug in time response plotting. Updated for iOS 18.

### 1.2.4 — 2021-12-28

updates for iOS15. Improved the guided tour.

### 1.2.2 — 2021-09-17

improved margin plot: better placement by tapping, gain and phase margin values are now displayed.

### 1.2.1 — 2021-09-13

fixed a bug in the C++ export

### 1.2.0 — 2021-09-10

Models can now be exported as a C++ digital controller. 
You can add a Padé approximation for time delay to your plant models.
Improved time response plotting for open-loop behavior

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## More apps by Deft Dynamics LLC

- [neoPLC](https://appshunter.io/ios/app/neoplc/id1288783779)
- [Tocaro Live](https://appshunter.io/ios/app/tocaro-live/id1457860220)
- [Moxie World](https://appshunter.io/ios/app/moxie-world/id1483237847)
- [ETRAK Connect](https://appshunter.io/ios/app/etrak-connect/id1492136211)

All apps by Deft Dynamics LLC: https://appshunter.io/developer/1288783778

## Related topics

[deft dynamics](https://appshunter.io/ios/topics/deft-dynamics) · [siso calculator](https://appshunter.io/ios/topics/siso-calculator) · [siso](https://appshunter.io/ios/topics/siso)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*