Comparison

Tech vs Size Stream Mobile Fit

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

Head to head
About

Tech

Easily register and monitor your motorcycle airbag system's status and battery life. Track ride details, record location and speed, and relive your journeys with detailed maps and statistics. Build a library of your rides and manage system settings.

Highlights
  • Register Tech-Air® 5 Airbag System
  • Monitor system status and battery life
  • Track ride details with location and speed
  • Record and visualize ride statistics
  • Build a library of recorded rides
  • Disable system for off-road riding
  • Update system firmware
Features
Read full description

Packed with a variety of useful features, the App lets you easily register your Tech-Air® 5 Airbag System and monitor its status and battery life, as well as tracking the details of your ride. The App uses Bluetooth Connectivity to access the System’s data.  Using the MyRide feature, riders can record location and speed continuously during a ride.  Relive your ride and visualize your average and top speeds at any point along the route by zooming in on the map.  MyRide gives motorcyclists the ability to record unlimited motorcycle rides and build up a complete library of individual trips, so you can easily retrace your trips and remember the great riding moments.  How it Works • See top stats for the ride – including the exact location where these results were achieved, average speed, trip time and distance covered. • Retrace each trip on an enhanced Google Map that shows your speed at any point you select along the trip. • Build up an awesome library of each ride you take on your bike. • Disable the Tech-Air® System when you’re going to start doing heavy off-road riding. • Verify the deployment of the Tech-Air® System after an accident. • Send feedback to the Alpinestars Tech-Air® development team. • Update the System’s firmware whenever available. • Download the online manual and useful documentation for air travel, shipments, and servicing. • Register your products.

About

Size Stream Mobile Fit

This app offers a convenient and secure way to measure employees and receive size recommendations remotely. It simplifies the process of outfitting an organization with a portable body scanning solution that integrates with a dedicated data portal.

Highlights
  • Remote employee scanning
  • Immediate size recommendations
  • Integrated sizing logic
  • Customizable branding
  • Secure on-device processing
  • Dedicated data portal access
Read full description

A SIMPLE SOLUTION TO A COMPLEX PROBLEM Whether you have a handful of employees or several thousand, Size Stream Mobile Fit is the easiest way to accurately size, measure and outfit your entire organization from anywhere! Simply register your employees, have them login and scan with the app, and then receive their measurements and size recommendations in your dedicated data portal. That’s it! CONVENIENT Relieve the logistical headache of trying to organize events to size your employees. With Mobile Fit you get a portable body scanning solution that returns immediate size recommendations in addition to measurements with our integrated sizing logic platform. CUSTOMIZABLE The Mobile Fit app can be customized to your company’s brand including your font, logo, and color scheme. SECURE We take data privacy very seriously. That’s why with Mobile Fit no photos are ever uploaded to the Cloud. All scans are processed directly on the user’s device. The results are then securely sent to your data portal via the sharing mechanism. Inquire about Size Stream Mobile Fit today!

Screenshots

Tech4 screens
Size Stream Mobile Fit4 screens

Verdict

The call

The clearest difference is rating: Size Stream Mobile Fit at 2.8 against Tech's 1.6. Size Stream Mobile Fit also leads on review sentiment (25% vs 13%). Tech's advantage is update cadence (monthly vs every 13 months) and ratings volume (83 vs 5). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Size Stream Mobile Fit holds the better App Store score, 2.8 against 1.6. That said, the two scores are not equally well evidenced: Tech has 83 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 13% of Tech's written reviews are positive against 25% of Size Stream Mobile Fit's.

UpkeepUpdate frequency

Tech ships an update monthly, Size Stream Mobile Fit every 13 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
Tech versus Size Stream Mobile Fit: the parameters behind the verdict, then further details
ParameterTechSize Stream Mobile Fit
PriceFreeFree
Rating1.6 (83 ratings)2.8 (5 ratings) — better
Positive reviews13.1% of reviews25.0% of reviews — better
Number of ratings83 — better5
Update frequencyMonthly — betterEvery 13 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better16.6
Further details — not scored
Size151 MB217 MB
Age rating4+17+
DeveloperALPINESTARS SPASize Stream LLC

Customer experience

Tech

All ratings80 ratings
Positive13.8%
Neutral1.3%
Negative85.0%
Written reviews267 reviews
Positive13.1%
Neutral4.9%
Negative82.0%

Size Stream Mobile Fit

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Bugs and requests

Tech

Reported bugs

20 issues
  • App crashes immediately upon launch after updates
  • Firmware update stuck at 2% indefinitely
  • Error 12 during firmware installation
  • Verification SMS not arriving (especially for +420 Czech numbers and other regions)
  • QR code scanner not recognizing codes
Show 15 more
  • Manual code entry not progressing past input screen
  • Bluetooth connection drops during firmware updates
  • App shows 'already paired' but vest not visible in app
  • Battery percentage displays incorrectly or as 0%
  • Software update notification loop (says update available when already updated)
  • Tap input registration incorrect on registration form
  • App unresponsive during software update process
  • Bluetooth disconnection when phone is moved away from vest
  • App crashes when accessing 'My Rides' section
  • Ride data not recording properly (shows wrong duration/metrics)
  • Location tracking showing wrong geographic location
  • iOS 26 compatibility issues
  • App not sending feedback/crash reports
  • Inconsistent behavior across different iPhone models
  • App language settings affecting firmware update capability

Requested features

13 requests
  • PC/desktop application for firmware updates
  • Lean angle tracking and display
  • Maximum speed recording in ride logs
  • Acceleration metrics in ride data
  • Altitude data in ride tracking
Show 8 more
  • Ability to change phone number associated with account
  • Email verification option as alternative to SMS
  • Improved Bluetooth antenna strength
  • Automatic ride recording without manual activation
  • Better offline functionality
  • Software update caching on vest
  • Race mode activation without app dependency
  • More detailed ride statistics and analytics

Size Stream Mobile Fit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Tech

No in-app purchases

None

Size Stream Mobile Fit

No in-app purchases

Questions

Is Tech free?
Tech is free to download, with no in-app purchases.
Is Size Stream Mobile Fit free?
Size Stream Mobile Fit is free to download, with no in-app purchases.
Which has better reviews, Tech or Size Stream Mobile Fit?
Size Stream Mobile Fit is rated higher. Tech averages 1.6 out of 5 from 83 ratings, while Size Stream Mobile Fit averages 2.8 from 5 ratings.
Do Tech or Size Stream Mobile Fit have ads?
Neither Tech nor Size Stream Mobile Fit shows ads.
Which is updated more often, Tech or Size Stream Mobile Fit?
Tech ships an update monthly, and Size Stream Mobile Fit every 13 months. Most recently, Tech was updated on October 12, 2026 and Size Stream Mobile Fit on October 13, 2026.

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