# 群光藍鑽 vs 德洛斯

The clearest difference is in-app purchases: 群光藍鑽 at none against 德洛斯's 9. 群光藍鑽 also leads on ads (none vs shown) and iOS requirement (7.0 vs 15.5). On price and device support there is nothing between them.

Both are free to download. 德洛斯 sells 9 in-app purchases, starting at $1.99 per month. 群光藍鑽 asks for nothing beyond the download.

## The numbers

| Metric | 群光藍鑽 | 德洛斯 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 40 MB | 426 MB |
| Requires iOS | **7.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chi-ming Chang](https://appshunter.io/developer/1279719536) | [Delos Matrix INC.](https://appshunter.io/developer/1723809294) |

## What reviewers say

### 群光藍鑽

[App page](https://appshunter.io/ios/app/id1438587720)

**Features:** macOS Compatibility

**In-app purchases:** none


### 德洛斯

[App page](https://appshunter.io/ios/app/id6479841864)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Argus 基本版月訂閱 | $1.99 | per month |
| 鐵捲門控制 | $1.99 | per month |
| AI語音控制 | $1.99 | per month |
| AI 語音控制＋鐵捲門 | $2.99 | per month |
| 24H 防盜保全 | $2.99 | per month |
| 24H 語音防盜保全+報表分析 | $2.99 | per month |
| 鐵捲門控制年繳 | $2.99 | per year |
| Argus 基本版年訂閱 | $19.99 | per year |
| 鐵捲門控制買斷 | $14.99 | one-time |


## Frequently asked questions

### Is 群光藍鑽 free?

群光藍鑽 is free to download, with no in-app purchases.

### Is 德洛斯 free?

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

### Do 群光藍鑽 or 德洛斯 have ads?

德洛斯 shows ads; 群光藍鑽 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.*