# 911Detector — Sleep Safe

> Sleep Safe (iPhone/iPad app by LCC WIRELESS LLC.)

- Source: https://appshunter.io/ios/app/911detector/id1486730409 (this page in markdown: same URL + `.md`)
- Developer: [LCC WIRELESS LLC](https://appshunter.io/developer/1486730408)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 9.0 · 91 MB
- Languages: English
- Released: 2019-11-13
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/911detector/id1486730409/reviews.md

## What is 911Detector?

Working Smoke Alarms Save Lives!  Every second counts!
Let us help you keep your home safe by reminding you when to switch your batteries, keeping your smoke alarms functioning at all times. 

Safe Detector app will make it easy to never worry about when was the last time you switched batteries for each one of your alarms. Simply choose your floor plan and the app will estimate how many alarms you need per floor then sign up and get your new batteries in no time plus a reminder every 6 months!


## Version history (last 1 release)

### 6 — 2020-06-05

Improve GUI and performance

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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 2026-06-10.*