# 密盒 vs Sirius Note

The clearest difference is in-app purchases: Sirius Note at none against 密盒's 10. 密盒's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 密盒 sells 10 in-app purchases, starting at $1.99 per month. Sirius Note asks for nothing beyond the download.

密盒 ships an update every 3 weeks, Sirius Note every 6 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | 密盒 | Sirius Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1624406091/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 87 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Succulent Technology (Chongqing) Co., Ltd.](https://appshunter.io/developer/1600673897) | [XI ZHANG](https://appshunter.io/developer/6780330446) |

## What reviewers say

### 密盒

[App page](https://appshunter.io/ios/app/id1624406091)

This app provides a secure space for your files and browsing. It offers password and biometric protection, incognito browsing, and efficient multitasking. Enjoy a clean, ad-free experience with cloud storage options.

**Highlights:** Password and biometric protection, Incognito browsing, Cloud storage, Multitasking with split-screen, Web page screenshotting, Ad-free experience

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月50G云盘空间订阅 | $1.99 | per month |
| 周会员订阅 | $2.99 | per 7 days |
| 一周会员-3天免费试用 | $4.99 | per 7 days |
| 一年会员 | $12.99 | per year |
| 6个月会员 | $12.99 | per 6 months |
| 100G云盘空间（1个月） | $2.99 | one-time |
| 50G云盘空间（6个月） | $4.99 | one-time |
| 100G云盘空间（6个月） | $7.99 | one-time |
| 永久VIP | $9.99 | one-time |
| 永久会员 | $24.99 | one-time |


### Sirius Note

[App page](https://appshunter.io/ios/app/sirius-note/id6780330444)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 密盒 free?

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

### Is Sirius Note free?

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

### Do 密盒 or Sirius Note have ads?

Neither 密盒 nor Sirius Note shows ads.

### Which is updated more often, 密盒 or Sirius Note?

密盒 ships an update every 3 weeks, and Sirius Note every 6 weeks. Most recently, 密盒 was updated on October 25, 2026 and Sirius Note on October 25, 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.*