# 大白守护 vs Trevaron

The clearest difference is in-app purchases: 大白守护 at none against Trevaron's 3. 大白守护 also leads on iOS requirement (12.0 vs 15.0). Trevaron's advantage is device support. On price there is nothing between them.

Both are free to download. Trevaron sells 3 in-app purchases, starting at $7.99 per month. 大白守护 asks for nothing beyond the download.

## The numbers

| Metric | 大白守护 | Trevaron |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 4 weeks |
| Size | 32 MB | 164 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [茂霖 田](https://appshunter.io/developer/1229076761) | [Guangzhou Zhonglipin Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1891560214) |

## What reviewers say

### 大白守护

[App page](https://appshunter.io/ios/app/id6497793205)

**In-app purchases:** none


### Trevaron

[App page](https://appshunter.io/ios/app/trevaron/id6763711626)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Membership subscription | $7.99 | per month |
| Premium Membership (Six Month) | $39.99 | per 6 months |
| Membership subscription | $69.99 | per year |


## Frequently asked questions

### Is 大白守护 free?

大白守护 is free to download, with no in-app purchases.

### Is Trevaron free?

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

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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.*