# Gabriel Shock Test vs StJohnsCO Alerting

The clearest difference is rating: Gabriel Shock Test at 4.3 against StJohnsCO Alerting's 1.7. Gabriel Shock Test also leads on review sentiment (33% vs 25%). On price, ratings volume, update cadence and ads there is nothing between them.

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

Gabriel Shock Test holds the better App Store score, 4.3 against 1.7. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 33% of Gabriel Shock Test's written reviews are positive against 25% of StJohnsCO Alerting's.

Gabriel Shock Test ships an update every 12 months, StJohnsCO Alerting every 19 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Gabriel Shock Test | StJohnsCO Alerting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/gabriel-shock-test/id1076701012/reviews)** | [1.7 (7 ratings)](https://appshunter.io/ios/app/stjohnsco-alerting/id1533843637/reviews) |
| Number of ratings | 4 | **7** |
| Positive reviews | **33.3% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 19 months |
| Monetization | Free | Free |
| Size | 133 MB | 68 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chad Monahan](https://appshunter.io/developer/1033315390) | [Mach Alert Inc.](https://appshunter.io/developer/1472612618) |

## What reviewers say

### Gabriel Shock Test

[App page](https://appshunter.io/ios/app/gabriel-shock-test/id1076701012)

Diagnose your car's suspension performance using your mobile device. This tool helps assess shock absorber and strut condition for everyday driving, aiding in repair decisions and cost savings.

**Highlights:** Test shock absorbers and struts, Assess suspension performance, Generate customer reports, Access technical support, Look up vehicle parts, Find nearest store

**Features:** macOS Compatibility

**In-app purchases:** none


### StJohnsCO Alerting

[App page](https://appshunter.io/ios/app/stjohnsco-alerting/id1533843637)

This application provides advanced fire station alerting functionality for public safety answering points and fire/EMS facilities. It aims to reduce dispatch time and deliver critical information to first responders through tones and voice alerts. Optional add-ons and customization are available for enhanced field operations.

**Highlights:** State-of-the-art alerting functionality, Reliable dispatch for PSAPs and fire/EMS, Tones and voice alerts, Optional add-ons and customization, Companion mobile application

**In-app purchases:** none


## Frequently asked questions

### Is Gabriel Shock Test free?

Gabriel Shock Test is free to download, with no in-app purchases.

### Is StJohnsCO Alerting free?

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

### Which has better reviews, Gabriel Shock Test or StJohnsCO Alerting?

Gabriel Shock Test is rated higher. Gabriel Shock Test averages 4.3 out of 5 from 4 ratings, while StJohnsCO Alerting averages 1.7 from 7 ratings.

### Do Gabriel Shock Test or StJohnsCO Alerting have ads?

Neither Gabriel Shock Test nor StJohnsCO Alerting shows ads.

### Which is updated more often, Gabriel Shock Test or StJohnsCO Alerting?

Gabriel Shock Test ships an update every 12 months, and StJohnsCO Alerting every 19 months. Most recently, Gabriel Shock Test was updated on November 2, 2026 and StJohnsCO Alerting on November 3, 2026.

---

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