# LERTR mobile alerting app — Alerts for Signal subscribers

> Alerts for Signal subscribers (iPhone/iPad app by Signal Corporation Limited.)

- Source: https://appshunter.io/ios/app/lertr-mobile-alerting-app/id1662412950 (this page in markdown: same URL + `.md`)
- Developer: [Signal Corporation Limited](https://appshunter.io/developer/1662412952)
- Category: Business
- Price: Free
- Age rating: 4+
- Requires: iOS 14.2 · 158 MB
- Released: 2023-02-28
- Data updated: 2026-07-08
- User reviews in markdown: https://appshunter.io/ios/app/lertr-mobile-alerting-app/id1662412950/reviews.md

## What is LERTR mobile alerting app?

LERTR - the mobile alerting app for Signal users. Use this app to receive alerts and or flags on your mobile device. Mark alerts or flags as read


## Version history (last 5 releases)

### 1.0.11 — 2026-07-04

Fixed login and alerting

### 1.0.9 — 2025-11-30

Changes to push notification

### 1.0.8 — 2024-12-12

Updated certificates

### 1.0.7 — 2024-07-09

Added SSO Login and minor fixes

### 1.0.6 — 2023-11-01

Updated flag and alert view

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-08.*