Comparison

e vs Matrix Keen3D

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

e

This app enhances the functionality of e-motion electric wheelchair wheels. It offers pre-set driving profiles, GPS tracking, and error diagnostics in a free section. An optional paid package unlocks advanced features like increased speed, cruise control, and remote parking.

Highlights
  • Pre-set driving profiles
  • Speed, mileage, and charge display
  • GPS tour recording
  • Error diagnostics and troubleshooting
  • Software updates
  • Increased speed support
  • Cruise Mode for constant speed
Features
Read full description

Smartphones have become an integral part of our everyday lives. It goes without saying that e-motion also makes full use of the benefits of this technology. The e-motion Mobility App is divided in three sections. The free section provides you with four pre-set driving profiles that influence the driving behaviour of your e-motion. You can also display the current speed, mileage or charge level on your smartphone and even record and save tours via GPS. In addition the app informs you about eventual errors and helps you to solve them. It shows you how to properly use the e-motion and the app helps you to prepare when travelling. If necessary you can also update the software of the e-motion wheels via your smartphone. You want have both hands free while moving or an extra dose of speed to go faster? With the Mobility Plus Package you can activate a variety of clever additional functions in the Mobility App. With the Mobility Plus Package you can increase the support speed from 6 km/h to 8,5 km/h and benefit from the Cruise Mode that allows you to keep a permanent speed of your wheelchair with only one deflection on the push rim. This does even work on uphill and downhill slopes. In addition you can use all functions of the ECS remote control on your smartphone and remotely control you wheelchair for parking. Moreover the Mobility Plus Package allows you to count the amount of pushes during a recorded tour. All this gives you even more from your e-motion! In the protected professional section you can individually adapt the driving behaviour of the e-motion. The following parameters can be adjusted: Maximum speed, maximum torque, sensitivity of the sensors as well as the ramp-up and follow-up time.

About

Matrix Keen3D

Features
Read full description

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. “A 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,” -Steve Cousins, PhD, Founder of Matrix Seating Ltd.

Screenshots

e4 screens
Matrix Keen3D1 screens

Verdict

The call

The clearest difference is in-app purchases: Matrix Keen3D at none against e's 6. On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. e sells 6 one-off in-app purchases. Matrix Keen3D asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 23, 2026 and September 11, 2026 respectively.

Scorecard1 real difference · 9 level
e versus Matrix Keen3D: the parameters behind the verdict, then further details
ParametereMatrix Keen3D
PriceFreeFree
Rating2.1 (15 ratings) — better—
Positive reviews18.9% of reviews—
Number of ratings15 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.0
Further details — not scored
Size39 MB127 MB
Age rating4+17+
DeveloperAlber GmbHTechMed 3D

In-app purchases

6 purchases

e

One-time6
  • Push$8.99
  • Remote$32.99
  • Cruise$84.99
Show 3 more
  • ECS$84.99
  • Speed$84.99
  • Mobility Plus Package$249.99
None

Matrix Keen3D

No in-app purchases

Questions

Is e free?
e is free to download, with in-app purchases available.
Is Matrix Keen3D free?
Matrix Keen3D is free to download, with no in-app purchases.
Do e or Matrix Keen3D have ads?
Neither e nor Matrix Keen3D shows ads.
Which is updated more often, e or Matrix Keen3D?
e ships an update every 2 months, and Matrix Keen3D every 2 months. Most recently, e was updated on September 23, 2026 and Matrix Keen3D on September 11, 2026.

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