Matrix Keen3D vs M90
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Matrix Keen3D
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This app uses the Structure SDK / TrueDepth camera for 3D scanning. Supported device list (updated regularly): https://techmed3d.zohodesk.com/portal/en/kb/articles/minimun-device-requirements Matrix Seating USA products combine the benefits of custom-molded seating with the adjustability and flexibility of component seating. Matrix Adjustable Micro-Modular Seating was developed by a group of physicians, scientists, engineers, DME providers, OTs, PTs, ATPs, who have committed their careers to providing postural management and complex rehab seating for children and adults. โA seating system with dynamic motion has long been considered the utopia for custom molds for many therapeutic benefits. Over the last 40 years Matrix Seating has evolved to meet this unique clinical benefit,โ -Steve Cousins, PhD, Founder of Matrix Seating Ltd.
M90
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Designed to work with the Empulse M90 power assist device, the app making it easy to adjust drive profiles, check system status, and fine-tune performance directly from your smartphone. Key Features โข Setup, use during the M90 set up to optimize motor performance based on rider weight and performance preferences. โข Drive Profile Customization, switch between indoor and outdoor profiles to match your preferences. โข System Status Display, view real-time feedback on battery level, drive mode, and drive profile directly from your phone. โข Mode Selection, seamlessly switch between modes based on your driving needs. โข Bluetooth Connectivity, connect wirelessly to your M90 for instant updates and performance tuning without cables.
Screenshots
Verdict
Matrix Keen3D and M90 are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Matrix Keen3D ships an update every 2 months, M90 every 3 months. The most recent releases landed on September 11, 2026 and July 5, 2026 respectively.
| Parameter | Matrix Keen3D | M90 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months โ better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.0 | 14.0 โ better |
| Further details โ not scored | ||
| Size | 127 MB | 14 MB |
| Age rating | 17+ | 4+ |
| Developer | TechMed 3D | Sunrise Medical (US) LLC |
In-app purchases
Matrix Keen3D
No in-app purchases
M90
No in-app purchases








