# Extreme Alarm vs Helix Launch

The clearest difference is review sentiment: Extreme Alarm at 100% against Helix Launch's 0%. Extreme Alarm also leads on update cadence (weekly vs every 2 months) and iOS requirement (9.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Extreme Alarm ships an update weekly, Helix Launch every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Extreme Alarm | Helix Launch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/helix-launch/id1523058284/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | Free |
| Size | 21 MB | 38 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Portman Electronics Ltd.](https://appshunter.io/developer/375916100) | [Automotive Data Solutions Inc](https://appshunter.io/developer/560261291) |

## What reviewers say

### Extreme Alarm

[App page](https://appshunter.io/ios/app/extreme-alarm/id1270557539)

Control your vehicle's security system via Bluetooth. Manage functions like arming, disarming, and trunk release, and review system logs. Personalize settings for your specific needs.

**Highlights:** Bluetooth 4.0 connectivity, Control immobilizer and alarm systems, Arm/Disarm functions, Trunk release, System log history, Personalized settings

**In-app purchases:** none


### Helix Launch

[App page](https://appshunter.io/ios/app/helix-launch/id1523058284)

Control your car remotely via Bluetooth with this app. Start, lock, unlock, and check vehicle status like temperature and battery. Advanced diagnostics are also available for compatible vehicles.

**Highlights:** Remote start, lock, unlock, trunk open, View vehicle data (battery, temp), Access advanced diagnostics, Bluetooth connectivity, Smartphone control

**In-app purchases:** none


## Frequently asked questions

### Is Extreme Alarm free?

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

### Is Helix Launch free?

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

### Do Extreme Alarm or Helix Launch have ads?

Neither Extreme Alarm nor Helix Launch shows ads.

### Which is updated more often, Extreme Alarm or Helix Launch?

Extreme Alarm ships an update weekly, and Helix Launch every 2 months. Most recently, Extreme Alarm was updated on November 3, 2026 and Helix Launch on November 3, 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.*