# 小黑 OmniBox vs Guyun

The clearest difference is in-app purchases: Guyun at none against 小黑 OmniBox's 10. 小黑 OmniBox's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 小黑 OmniBox sells 7 one-off in-app purchases. Guyun asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 小黑 OmniBox | Guyun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/omnibox/id6758195223/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Xiaohei Intelligent Technology Co. Ltd](https://appshunter.io/developer/1854656540) | [晖 江](https://appshunter.io/developer/6796150562) |

## What reviewers say

### 小黑 OmniBox

[App page](https://appshunter.io/ios/app/omnibox/id6758195223)

This AI-powered tool helps manage fragmented information by collecting, organizing, and retrieving your knowledge. It offers features like whole-web saving, multi-format uploads, and AI-driven Q&A based on your personal knowledge base. Collaborate with others and access your information across multiple devices.

**Highlights:** AI-powered knowledge management, Whole-web and multi-format collection, AI Q&A on private knowledge base, Intelligent semantic search, Multi-device synchronization, Team collaboration space

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add-ons | $0.99 | one-time |
| Upgrade | $0.99 | one-time |
| Upgrade | $1.99 | one-time |
| Upgrade | $5.99 | one-time |
| Upgrade | $8.99 | one-time |
| Upgrade | $14.99 | one-time |
| Upgrade | $59.99 | one-time |


### Guyun

[App page](https://appshunter.io/ios/app/guyun/id6809848348)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 小黑 OmniBox free?

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

### Is Guyun free?

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

### Do 小黑 OmniBox or Guyun have ads?

Neither 小黑 OmniBox nor Guyun shows ads.

### Which is updated more often, 小黑 OmniBox or Guyun?

小黑 OmniBox ships an update weekly, and Guyun weekly. Most recently, 小黑 OmniBox was updated on November 9, 2026 and Guyun on November 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.*