# Security Alarm vs Memory4U

The clearest difference is in-app purchases: Memory4U at none against Security Alarm's 2. Memory4U also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Security Alarm sells 2 one-off in-app purchases. Memory4U asks for nothing beyond the download.

## The numbers

| Metric | Security Alarm | Memory4U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (526 ratings)](https://appshunter.io/ios/app/security-alarm-antitheft/id1447621494/reviews)** | — |
| Number of ratings | **526** | — |
| Positive reviews | 54.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 31 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [NileshKumar Rathod](https://appshunter.io/developer/977297771) | [V4U Technologies](https://appshunter.io/developer/1818995076) |

## What reviewers say

### Security Alarm

[App page](https://appshunter.io/ios/app/security-alarm-antitheft/id1447621494)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove All Ads | $3.99 | one-time |
| Full Version + Remove All Ads | $5.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

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


### Memory4U

[App page](https://appshunter.io/ios/app/memory4u/id6747176356)

**In-app purchases:** none


## Frequently asked questions

### Is Security Alarm free?

Security Alarm is free to download, with in-app purchases available.

### Is Memory4U free?

Memory4U is free to download, with no in-app purchases.

### Do Security Alarm or Memory4U have ads?

Security Alarm shows ads; Memory4U does not.

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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.*