# Compass/Mobile Problem Locator vs LERTR mobile alerting app

The clearest difference is iOS requirement: Compass/Mobile Problem Locator at 8.2 against LERTR mobile alerting app's 14.2. 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.

Compass/Mobile Problem Locator ships an update every 11 months, LERTR mobile alerting app every 7 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Compass/Mobile Problem Locator | LERTR mobile alerting app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/compassmobile-problem-locator/id892898062/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 7 months** |
| Monetization | Subscription | — |
| Size | 13 MB | 158 MB |
| Requires iOS | **8.2** | 14.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ComSonics, Inc.](https://appshunter.io/developer/489593509) | [Signal Corporation Limited](https://appshunter.io/developer/1662412952) |

## What reviewers say

### Compass/Mobile Problem Locator

[App page](https://appshunter.io/ios/app/compassmobile-problem-locator/id892898062)

This app allows telecommunications users to record and report various issues found in cable plants and other utilities. It integrates with a web application to store and forward signal leakage data, supporting job order maintenance and construction issue reporting. A demo mode is available, with full functionality unlocked via a subscription service.

**Highlights:** Record utility issues (cable, power, gas, water), Report signal leakage and construction problems, Integrates with ComSonics GENACIS web application, Supports job order maintenance, Customizable issue and resolution code lists, Cellular tower location recording

**Features:** macOS Compatibility

**In-app purchases:** none


### LERTR mobile alerting app

[App page](https://appshunter.io/ios/app/lertr-mobile-alerting-app/id1662412950)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Compass/Mobile Problem Locator free?

Compass/Mobile Problem Locator is free to download, with no in-app purchases.

### Is LERTR mobile alerting app free?

LERTR mobile alerting app is free to download, with no in-app purchases.

### Do Compass/Mobile Problem Locator or LERTR mobile alerting app have ads?

Neither Compass/Mobile Problem Locator nor LERTR mobile alerting app shows ads.

### Which is updated more often, Compass/Mobile Problem Locator or LERTR mobile alerting app?

Compass/Mobile Problem Locator ships an update every 11 months, and LERTR mobile alerting app every 7 months. Most recently, Compass/Mobile Problem Locator was updated on October 24, 2026 and LERTR mobile alerting app on October 27, 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.*