# SMART HJC BT vs Tech

The clearest difference is update cadence: Tech at monthly against SMART HJC BT's every 7 months. Tech also leads on ratings volume (87 vs 20) and iOS requirement (13.0 vs 15.0). SMART HJC BT's advantage is rating (1.9 vs 1.6). On price, review sentiment, 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.

SMART HJC BT holds the better App Store score, 1.9 against 1.6. Both are backed by a comparable volume of ratings — 20 and 87 respectively. Written reviews point the same way: 17% of SMART HJC BT's written reviews are positive against 13% of Tech's.

SMART HJC BT ships an update every 7 months, Tech monthly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SMART HJC BT | Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (20 ratings)](https://appshunter.io/ios/app/smart-hjc-bt/id1484442785/reviews)** | [1.6 (87 ratings)](https://appshunter.io/ios/app/tech-air-app/id1504440133/reviews) |
| Number of ratings | 20 | **87** |
| Positive reviews | **16.7% of reviews** | 13.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | Free |
| Size | 49 MB | 151 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sena Technologies](https://appshunter.io/developer/888785841) | [ALPINESTARS SPA](https://appshunter.io/developer/1499986821) |

## What reviewers say

### SMART HJC BT

[App page](https://appshunter.io/ios/app/smart-hjc-bt/id1484442785)

Manage your compatible Bluetooth headset's settings, intercom groups, and FM radio presets. This app provides remote control for intercom, phone, and music, along with firmware updates and user guides.

**Highlights:** Manage intercom groups, Configure device settings, Save speed dial presets, Preset FM radio stations, Remote control for intercom, phone, and music, Firmware updates, Access user guides

**Features:** Vision Pro support

**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 SMART HJC BT free?

SMART HJC BT is free to download, with no in-app purchases.

### Is Tech free?

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

### Which has better reviews, SMART HJC BT or Tech?

SMART HJC BT is rated higher. SMART HJC BT averages 1.9 out of 5 from 20 ratings, while Tech averages 1.6 from 87 ratings.

### Do SMART HJC BT or Tech have ads?

Neither SMART HJC BT nor Tech shows ads.

### Which is updated more often, SMART HJC BT or Tech?

SMART HJC BT ships an update every 7 months, and Tech monthly. Most recently, SMART HJC BT was updated on October 24, 2026 and Tech on October 21, 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.*