SISO Calculator vs CommandTurtle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SISO Calculator
This app helps engineers and students understand System Dynamics and Controls. It offers an intuitive interface to quickly analyze controller and plant interactions in both time and frequency domains.
- System Dynamics analysis
- Controls engineering
- Intuitive interface
- Time domain analysis
- Frequency domain analysis
- Controller interaction visualization
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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.
CommandTurtle
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CommandTurtle is a simple way to explore coding basics while having fun with drawing. Just give commands to turtle and watch the turtle move around the screen, creating shapes as it goes. CommandTurtle includes a range of shape tasks to help you get started, plus a free roam mode where you can let your creativity take over! Whether you’re drawing a simple square or inventing your own unique patterns, CommandTurtle makes learning and exploring fun and easy.
Screenshots
Verdict
The clearest difference is iOS requirement: SISO Calculator at 14.0 against CommandTurtle's 17.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | SISO Calculator | CommandTurtle |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Deft Dynamics LLC | Alpay Calalli |
In-app purchases
SISO Calculator
No in-app purchases
CommandTurtle
No in-app purchases
Questions
Is SISO Calculator free?
Is CommandTurtle free?
Do SISO Calculator or CommandTurtle have ads?
Other comparisons
