# Best Phone Security vs Security Alarm

The clearest difference is update cadence: Security Alarm at every 3 weeks against Best Phone Security's every 3 months. Best Phone Security's advantage is rating (4.6 vs 4.3) and ratings volume (3K vs 526). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Best Phone Security sells 1 one-off in-app purchase and Security Alarm sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Best Phone Security holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Best Phone Security has 3K ratings behind it against 526, so its average is the more settled of the two. Written reviews point the same way: 58% of Best Phone Security's written reviews are positive against 55% of Security Alarm's.

Best Phone Security ships an update every 3 months, Security Alarm every 3 weeks. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Best Phone Security | Security Alarm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3K ratings)](https://appshunter.io/ios/app/best-phone-security/id415230664/reviews)** | [4.3 (526 ratings)](https://appshunter.io/ios/app/security-alarm-antitheft/id1447621494/reviews) |
| Number of ratings | **3K** | 526 |
| Positive reviews | **58.2% of reviews** | 54.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 59 MB | 27 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [RV AppStudios LLC](https://appshunter.io/developer/340181308) | [NileshKumar Rathod](https://appshunter.io/developer/977297771) |

## What reviewers say

### Best Phone Security

[App page](https://appshunter.io/ios/app/best-phone-security/id415230664)

This app triggers an alarm when your device is touched or moved, deterring unauthorized access. It offers a PIN code for unlocking and a security alarm to notify you of any tampering. Ideal for protecting your device in public or from prying eyes.

**Highlights:** PIN code unlock, Security alarm notification, Motion-triggered alarm, Deterrent against unauthorized access

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock New Features | $4.99 | one-time |

**What reviewers like**

- 🚀 Effective security
- 🔒 Alerts user when phone is touched
- 👍 Easy to use
- 🔒 Helps catch intruders

**What reviewers complain about**

- 🐛 Alarm can be easily deactivated
- 🐛 Doesn't work when phone is locked
- 🐛 Inconsistent performance
- 🔋 Drains battery

**Reported bugs**

- Alarm doesn't always trigger
- Doesn't work as expected when phone is locked
- Crashes frequently

**Requested features**

- Take photo of intruder
- Send alert notifications
- Louder alarm
- Ability to lock app with passcode


### 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


## Frequently asked questions

### Is Best Phone Security free?

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

### Is Security Alarm free?

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

### Which has better reviews, Best Phone Security or Security Alarm?

Best Phone Security is rated higher. Best Phone Security averages 4.6 out of 5 from 3K ratings, while Security Alarm averages 4.3 from 526 ratings.

### Do Best Phone Security or Security Alarm have ads?

Both Best Phone Security and Security Alarm show ads.

### Which is updated more often, Best Phone Security or Security Alarm?

Best Phone Security ships an update every 3 months, and Security Alarm every 3 weeks. Most recently, Best Phone Security was updated on September 22, 2026 and Security Alarm on September 11, 2026.

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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.*