Best G4S Alarm Apps

249+ iOS apps curated and reviewed

3.5 avg rating
20 free apps
Updated November 2026

Out of 249+ g4s alarm apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top G4S Alarm Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1G4S AlarmG4S AlarmFree—NoNoMay 2026
2G4S SMARTalarmG4S SMARTalarmFree2.0★ (1)NoNoMay 2026
3Alarm FreeAlarm FreeFree3.3★ (13)YesNoOct 2026
4AlarmK: Mission Alarm ClockAlarmK: Mission Alarm ClockFree4.1★ (16)NoNoNov 2026
5G4S MobileG4S MobileFree1.0★ (1)NoNoMay 2026
6G5 AlarmG5 AlarmFree5.0★ (2)NoNoMay 2026
7G3 AlarmG3 AlarmFree5.0★ (1)NoNoMay 2026
8GSM Alarm G18GSM Alarm G18Free—NoNoOct 2026

Top Picks for G4S Alarm

Alarm Free#3

Alarm Free by Masayuki Akamatsu

Instant alarm, less worry
Worth Considering
🔧 Utilities
3.3😐(13 ratings)
FreeAds
Alarm Free screenshot 1
Alarm Free screenshot 2
Alarm Free screenshot 3

This app provides a personal safety alarm with advanced motion detection. It can trigger an alert with sound and light when rapid movement or free-fall is detected, or with a simple screen tap.

What We Love

  • 🚀 Useful as a rear bike light
  • 🚀 Helpful for running safety
  • 👍 Simple and easy to use

Room to Improve

  • 🐛 No sound, only a flashing light
  • 🔒 Easily turned off by touching the screen
  • 🔋 Drains battery when left on

More G4S Alarm apps to explore

FAQ about G4S Alarm

Are there free g4s alarm apps for iPhone?
Yes — 20 of the top g4s alarm apps we rank are free to download, including G4S Alarm and G4S SMARTalarm.
G4S Alarm has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 249+ g4s alarm apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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