# mechanical design engine vs Green Kadam

The clearest difference is update cadence: Green Kadam at every 6 days against mechanical design engine's every 2 months. mechanical design engine's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

mechanical design engine ships an update every 2 months, Green Kadam every 6 days. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | mechanical design engine | Green Kadam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 63 MB | 100 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [gan dae choi](https://appshunter.io/developer/1574341439) | [Aranya Aura Private Limited](https://appshunter.io/developer/1801404713) |

## What reviewers say

### mechanical design engine

[App page](https://appshunter.io/ios/app/mechanical-design-engine/id1574341437)

**Features:** macOS Compatibility

**In-app purchases:** none


### Green Kadam

[App page](https://appshunter.io/ios/app/green-kadam/id6743107982)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is mechanical design engine free?

mechanical design engine is free to download, with no in-app purchases.

### Is Green Kadam free?

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

### Do mechanical design engine or Green Kadam have ads?

Neither mechanical design engine nor Green Kadam shows ads.

### Which is updated more often, mechanical design engine or Green Kadam?

mechanical design engine ships an update every 2 months, and Green Kadam every 6 days. Most recently, mechanical design engine was updated on October 11, 2026 and Green Kadam on October 6, 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.*