# G66W vs Smart Security Advance 2.0

The clearest difference is iOS requirement: G66W at 8.0 against Smart Security Advance 2.0's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

G66W ships an update monthly, Smart Security Advance 2.0 every 3 weeks. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | G66W | Smart Security Advance 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 23 MB | 52 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [春辉 麻](https://appshunter.io/developer/1020525759) | [Nice Spa](https://appshunter.io/developer/1063645984) |

## What reviewers say

### G66W

[App page](https://appshunter.io/ios/app/g66w/id1388256065)

This smart home security system features a high-definition display and dual Wi-Fi/GSM networks for easy installation. Control is managed via an app, remote, or keypad, with support for numerous wireless zones and accessories. It offers advanced features like voice recording and multiple alarm notification numbers.

**Highlights:** High Definition Colorful TFT Display, Wifi & GSM Dual Network, App/Remote/Keypad Control, 45 Wireless Zones, 10 Seconds Human Voice Recording, Multiple Alarm Numbers, Support Adding Camera

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Security Advance 2.0

[App page](https://appshunter.io/ios/app/smart-security-advance-20/id6478694715)

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

**In-app purchases:** none


## Frequently asked questions

### Is G66W free?

G66W is free to download, with no in-app purchases.

### Is Smart Security Advance 2.0 free?

Smart Security Advance 2.0 is free to download, with no in-app purchases.

### Do G66W or Smart Security Advance 2.0 have ads?

Neither G66W nor Smart Security Advance 2.0 shows ads.

### Which is updated more often, G66W or Smart Security Advance 2.0?

G66W ships an update monthly, and Smart Security Advance 2.0 every 3 weeks. Most recently, G66W was updated on November 2, 2026 and Smart Security Advance 2.0 on November 8, 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.*