# PeriPrint vs 小黑 OmniBox

The clearest difference is in-app purchases: PeriPrint at none against 小黑 OmniBox's 10. PeriPrint also leads on iOS requirement (13.0 vs 15.1). 小黑 OmniBox's advantage is update cadence (weekly vs every 7 months). On price, ads and device support there is nothing between them.

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

PeriPrint ships an update every 7 months, 小黑 OmniBox weekly. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | PeriPrint | 小黑 OmniBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/omnibox/id6758195223/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 299 MB | 81 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [厦门凡尔纳科技有限公司](https://appshunter.io/developer/1820335851) | [Hangzhou Xiaohei Intelligent Technology Co. Ltd](https://appshunter.io/developer/1854656540) |

## What reviewers say

### PeriPrint

[App page](https://appshunter.io/ios/app/periprint/id6747242827)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is PeriPrint free?

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

### Is 小黑 OmniBox free?

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

### Do PeriPrint or 小黑 OmniBox have ads?

Neither PeriPrint nor 小黑 OmniBox shows ads.

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

PeriPrint ships an update every 7 months, and 小黑 OmniBox weekly. Most recently, PeriPrint was updated on November 8, 2026 and 小黑 OmniBox on November 9, 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.*