Comparison

Tech vs Sime

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

Sime

Features
Read full description

SIME-TEK Service Desk is the dedicated after-sales support app for SIME-TEK egg grading and packing machines. Customers can report issues directly from the field, chat with SIME-TEK’s technical team, and share photos or videos to describe problems clearly — no back-and-forth delays, no lost emails. Our service agents manage every case from a single workspace: messaging, phone and video calls, intervention reports, scheduled check-ups, and spare parts requests — all in one place. Every SIME-TEK machine has its own dedicated record, with complete ticket history, technical documents, service reports, and planned visits. Full traceability from installation to every intervention, always accessible. Because a SIME-TEK machine is a long-term investment — and the relationship doesn’t end at delivery.

Screenshots

Tech4 screens
Sime4 screens

Verdict

The call

The clearest difference is iOS requirement: Tech at 13.0 against Sime's 15.1. On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

Tech ships an update monthly, Sime fortnightly. The most recent releases landed on October 21, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 9 level
Tech versus Sime: the parameters behind the verdict, then further details
ParameterTechSime
PriceFreeFree
Rating1.6 (87 ratings) — better—
Positive reviews13.1% of reviews—
Number of ratings87 — better—
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.1
Further details — not scored
Size151 MB55 MB
Age rating4+4+
DeveloperALPINESTARS SPASIME-TEK SPA

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

Sime

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Tech

No in-app purchases

None

Sime

No in-app purchases

Questions

Is Tech free?
Tech is free to download, with no in-app purchases.
Is Sime free?
Sime is free to download, with no in-app purchases.
Do Tech or Sime have ads?
Neither Tech nor Sime shows ads.
Which is updated more often, Tech or Sime?
Tech ships an update monthly, and Sime fortnightly. Most recently, Tech was updated on October 21, 2026 and Sime on October 2, 2026.

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