# i vs Matrix Keen3D

The clearest difference is iOS requirement: i at 8.0 against Matrix Keen3D's 15.0. 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.

## The numbers

| Metric | i | Matrix Keen3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/i-drive-config/id1459888889/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | — |
| Size | 60 MB | 127 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Trident Research, LLC](https://appshunter.io/developer/1002203174) | [TechMed 3D](https://appshunter.io/developer/964196047) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-drive-config/id1459888889)

This app allows users to configure Stealth i-Drive® Advanced Drive Control interfaces using an iPhone or iPad. It provides access to adjustable settings for joystick calibration, sip-n-puff pressure thresholds, and hybrid configurations for wheelchair operation. A diagnostics screen is also available for real-time sensor activation.

**Highlights:** Configure i-Drive® Advanced Drive Control interfaces, Adjust joystick calibration, Set sip-n-puff pressure thresholds, Configure hybrid input types, View real-time sensor activation, Access adjustable settings with dealer credentials

**In-app purchases:** none


### Matrix Keen3D

[App page](https://appshunter.io/ios/app/matrix-keen3d/id1500771002)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is Matrix Keen3D free?

Matrix Keen3D is free to download, with no in-app purchases.

### Do i or Matrix Keen3D have ads?

Neither i nor Matrix Keen3D shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*