# Great Security Alert vs 3

The clearest difference is in-app purchases: Great Security Alert at none against 3's 15. Great Security Alert also leads on iOS requirement (11.0 vs 15). 3's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 3 sells 15 one-off in-app purchases. Great Security Alert asks for nothing beyond the download.

Great Security Alert ships an update every 2 months, 3 every 3 weeks. The most recent releases landed on May 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Great Security Alert | 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (69 ratings)](https://appshunter.io/ios/app/3-link/id6449183038/reviews)** |
| Number of ratings | — | **69** |
| Positive reviews | — | 59.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 106 MB |
| Requires iOS | **11.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Skyresponse AB](https://appshunter.io/developer/639658030) | [Shenzhen Huayi Video Technology Co., Ltd.](https://appshunter.io/developer/1387357071) |

## What reviewers say

### Great Security Alert

[App page](https://appshunter.io/ios/app/great-security-alert/id1641878002)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3

[App page](https://appshunter.io/ios/app/3-link/id6449183038)

Connect smart devices to your network for video recording and receive detection alerts. Enhance your home security by integrating additional smart devices. Get support via email for any assistance needed.

**Highlights:** Smart device network connection, Video recording, Detection alerts, Security enhancement, Additional device integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| cloud product 1 | $0.29 | one-time |
| cloud 8.49 | $8.49 | one-time |
| cloud 15.99 | $15.99 | one-time |
| cloud 24.99 | $24.99 | one-time |
| cloud single device discount | $29.99 | one-time |
| cloud 34.99 | $34.99 | one-time |
| cloud 39.99 | $39.99 | one-time |
| cloud single device | $49.99 | one-time |
| cloud 59.99 | $59.99 | one-time |
| cloud 69.99 | $69.99 | one-time |
| cloud no account | $79.99 | one-time |
| cloud 89.99 | $89.99 | one-time |
| cloud 99.99 | $99.99 | one-time |
| cloud account  no discount | $129.00 | one-time |
| cloud 139.99 | $139.99 | one-time |

**What reviewers like**

- 👍 Easy setup and use
- 🌟 Great video quality
- 💰 Good value for price
- 🔋 Solar power works well
- 🏠 Useful for home security

**What reviewers complain about**

- 🐛 App crashes frequently
- 🚫 Login button inaccessible
- ⚠️ Subscription required for recording
- 🪲 App glitches and bugs
- 🔌 Connectivity issues

**Reported bugs**

- App crashes when creating an account
- Login button is out of view and not clickable
- Cannot log in after app update
- App doesn't recognize connected devices
- Data update failed and cameras lost

**Requested features**

- Allow multiple users to be logged in simultaneously
- Fix scrolling issue on login screen
- Improve motion detection accuracy
- Allow manual recordings to be saved to SD card
- Provide clear explanations for settings


## Frequently asked questions

### Is Great Security Alert free?

Great Security Alert is free to download, with no in-app purchases.

### Is 3 free?

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

### Do Great Security Alert or 3 have ads?

Neither Great Security Alert nor 3 shows ads.

### Which is updated more often, Great Security Alert or 3?

Great Security Alert ships an update every 2 months, and 3 every 3 weeks. Most recently, Great Security Alert was updated on May 15, 2026 and 3 on September 10, 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.*