Comparison

Alarm Free vs Security Alarm

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Alarm Free

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.

Highlights
  • Rapid-movement detector
  • Free-fall detector
  • Screen tap alert
  • Synchronized alarm sound
  • Flashlight activation
  • Apple Watch integration
Features
Read full description

Alarm is a self-defence/emergency alarm application with a rapid-movement and free-fall detector. You can also touch the screen to give a warning. Not only a red screen blinking but also an alarm sound and a flash light are synchronized if the device has such functionalities. The Apple Watch app also blinks but it's limited for a few time only to save the battery.

About

Security Alarm

This app helps protect your phone from unauthorized access by triggering an alarm and capturing a selfie of anyone who tries to touch or take your device. It offers multiple protection modes and advanced features to identify and deter intruders.

Highlights
  • Capture intruder selfies
  • Motion detection alarm
  • Power cable unplug alarm
  • Headset unplug alarm
  • Pocket mode alarm
  • Passcode and biometric lock
  • Background alarm operation
Features
Read full description

Best Security Alarm To Protect Your iPhone from your family members, friends and strangers trying to intrude into your phone privacy. “Security Alarm - AntiTheft” - Simply activate the Alarm and capture intruders Selfie, when your phone is touched or taken by intruder, you can catch nosey family, friends or strangers red handed! Using this App, you can protect your iPhone with “6” strong Modes: Smart Protection Modes 1. Motion Mode
Place your iPhone on a stable surface and start monitoring. If unexpected movement is detected, the app can trigger an alarm to draw attention to the device. 2. Power Mode
Monitor your charging connection and receive an alarm if the charging cable is disconnected while protection is active. Ideal for charging at work, in hotels, airports, cafés, or other shared spaces. 3. Audio Mode
Protect your iPhone while headphones or supported audio accessories are connected. The app can alert you when the monitored audio connection is interrupted. 4. Pocket Mode
Start monitoring before placing your iPhone in a pocket or bag. An alarm can sound when the device is removed, helping you react quickly in crowded or public places. 5. Silent Watch Mode Watch Mode provides discreet monitoring when you want to know who may have handled your iPhone. Silent monitoring without a loud alarm. When Watch Mode is active and the required monitoring screen remains open, the app can automatically capture photos after detected interaction. Review captured photos later in the private Intruder Gallery. 6. Notify Mode -Device unlock activity review Notify Mode records app-observed unlock activity while monitoring is active. When you return, review the detected time and confirm whether the activity was yours. This mode is useful when your iPhone may be accessible to family members, friends, coworkers, or other people in a shared environment. Customize your protection - Select your preferred alarm sound- 6 in app + from your device - Adjust alarm volume level - Turn vibration on or off - Alarm Sound On/Off  - Set Protection Start Delay Time - as You Prefer - Adjust motion sensitivity - Choose the number of intruder photos will capture at event trigger - Configure each protection mode independently FEATURES:  - Capture Intruders Selfie - Multiple Intruders Selfie, with Different Angles, Chance of Identify Intruders Increase - Share Intruders Photo among your Family and Friend Circle - View Break In Attempts by Intruder - Displayed On Icon - Passcode Lock with 4 Digit Pin Code - TouchID, FaceID Support to Stop Alarm - Reset or recover your app passcode - Auto Lock Maximum Volume Control. - Vibrates when Alarm Fire - Set On/Off - Accurate Motion-Sensing Algorithm. - Back up supported app data with iCloud Designed For Everyday Situations Security Alarm is useful when: - Leaving your iPhone on a desk - Charging in a public or shared location - Using headphones at the gym or while travelling - Carrying your phone in a pocket or bag - Monitoring access in a shared home or workplace - Checking whether someone handled your device while you were away Protect your iPhone with flexible monitoring, customizable alerts, discreet photo capture, and clear activity review—all in one modern security app. Use “Security Alarm - AntiTheft” app in iPhone when you are in crowded public place, in the shower, sleeping, or just away from your device, to trigger an alarm & capture a photo of intruder trying to peek into your phone. Important: Security Alarm is designed as an additional deterrent and monitoring tool. It cannot guarantee prevention of theft, unauthorized access, loss, or damage. Some features require the app to remain open and visible while monitoring is active. Availability may depend on device capabilities, permissions, and iOS limitations. Disclaimer : This app working in background mode, it will drain your battery so use it only when you need to protect your iPhone.

Screenshots

Alarm Free3 screens
Security Alarm4 screens

Verdict

The call

The clearest difference is rating: Security Alarm at 4.3 against Alarm Free's 3.3. Security Alarm also leads on update cadence (every 6 weeks vs every 48 months) and ratings volume (526 vs 13). Alarm Free's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Security Alarm sells 2 one-off in-app purchases. Alarm Free asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Security Alarm holds the better App Store score, 4.3 against 3.3. That said, the two scores are not equally well evidenced: Security Alarm has 526 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 35% of Alarm Free's written reviews are positive against 55% of Security Alarm's.

UpkeepUpdate frequency

Alarm Free ships an update every 48 months, Security Alarm every 6 weeks. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

Scorecard7 real differences · 3 level
Alarm Free versus Security Alarm: the parameters behind the verdict, then further details
ParameterAlarm FreeSecurity Alarm
PriceFreeFree
Rating3.3 (13 ratings)4.3 (526 ratings) — better
Positive reviews35.4% of reviews54.7% of reviews — better
Number of ratings13526 — better
Update frequencyEvery 48 monthsEvery 6 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size6 MB25 MB
Age rating4+12+
DeveloperMasayuki AkamatsuNileshKumar Rathod

Customer experience

Alarm Free

All ratings13 ratings
Positive53.8%
Neutral7.7%
Negative38.5%
Written reviews311 reviews
Positive35.4%
Neutral10.6%
Negative54.0%

Security Alarm

All ratings526 ratings
Positive82.9%
Neutral4.2%
Negative12.9%
Written reviews64 reviews
Positive54.7%
Neutral7.8%
Negative37.5%

User reviews

Alarm Free

From 13 App Store ratings

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

Security Alarm

From 526 App Store ratings

What we love

  • 👍 Good app
  • 🚀 Loud alarm
  • 🔒 Catches intruders

Room to improve

  • 🐛 Doesn't work as expected
  • 💰 Paid features
  • 🔋 Battery drain
  • 🔒 Doesn't secure phone
  • 🔕 Annoying alarm

Bugs and requests

Alarm Free

Reported bugs

2 issues
  • Doesn't work when phone is locked or in sleep mode
  • Causes iPhone to freeze and require restore

Requested features

4 requests
  • Louder alarm sound
  • Ability to run in the background
  • Sensitivity adjustment
  • Password protection to prevent deactivation

Security Alarm

Reported bugs

5 issues
  • Alarm goes off randomly
  • Can't turn off alarm
  • App crashes
  • Doesn't detect intruders
  • Incompatible with newer devices

Requested features

5 requests
  • Delay alarm to allow disabling
  • Link photos to email
  • Improve headphone detection
  • Add timer to unlock
  • Improve low light photo quality

In-app purchases

None

Alarm Free

No in-app purchases

2 purchases

Security Alarm

One-time2
  • Remove All Ads$3.99
  • Full Version + Remove All Ads$5.99

Questions

Is Alarm Free free?
Alarm Free is free to download, with no in-app purchases.
Is Security Alarm free?
Security Alarm is free to download, with in-app purchases available.
Which has better reviews, Alarm Free or Security Alarm?
Security Alarm is rated higher. Alarm Free averages 3.3 out of 5 from 13 ratings, while Security Alarm averages 4.3 from 526 ratings.
Do Alarm Free or Security Alarm have ads?
Both Alarm Free and Security Alarm show ads.
Which is updated more often, Alarm Free or Security Alarm?
Alarm Free ships an update every 48 months, and Security Alarm every 6 weeks. Most recently, Alarm Free was updated on October 8, 2026 and Security Alarm on October 15, 2026.

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