# KartTracker vs Tech

The clearest difference is iOS requirement: KartTracker at 10.0 against Tech's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KartTracker ships an update every 2 months, Tech monthly. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | KartTracker | Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.6 (83 ratings)](https://appshunter.io/ios/app/tech-air-app/id1504440133/reviews)** |
| Number of ratings | — | **83** |
| Positive reviews | — | 13.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 16 MB | 151 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UVee](https://appshunter.io/developer/1529099725) | [ALPINESTARS SPA](https://appshunter.io/developer/1499986821) |

## What reviewers say

### KartTracker

[App page](https://appshunter.io/ios/app/karttracker/id1213501828)

**In-app purchases:** none


### Tech

[App page](https://appshunter.io/ios/app/tech-air-app/id1504440133)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Successful firmware updates when working properly
- 📍 Ride tracking and route recording functionality
- 🔋 Battery level monitoring
- ⚡ Quick pairing when conditions are optimal
- 🎯 Simple and intuitive UI design

**What reviewers complain about**

- 🐛 Constant disconnection issues between app and vest
- 📡 Extremely limited Bluetooth range (requires phone within 5cm of vest)
- 🔐 Registration and verification SMS not received in multiple regions
- ❌ Firmware update failures stuck at 2-3%
- ⚠️ App crashes on startup after updates

**Reported bugs**

- 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

**Requested features**

- 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


## Frequently asked questions

### Is KartTracker free?

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

### Is Tech free?

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

### Do KartTracker or Tech have ads?

Neither KartTracker nor Tech shows ads.

### Which is updated more often, KartTracker or Tech?

KartTracker ships an update every 2 months, and Tech monthly. Most recently, KartTracker was updated on October 5, 2026 and Tech on October 12, 2026.

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