# 罗盘钛合库存管理 vs OnePreview

The clearest difference is update cadence: OnePreview at weekly against 罗盘钛合库存管理's every 50 months. 罗盘钛合库存管理's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

罗盘钛合库存管理 ships an update every 50 months, OnePreview weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 罗盘钛合库存管理 | OnePreview |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onepreview-file-viewer/id6760284919/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Weekly** |
| Monetization | — | Free |
| Size | 32 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [北京万维罗盘信息技术有限公司](https://appshunter.io/developer/539907944) | [培克 罗](https://appshunter.io/developer/1516557687) |

## What reviewers say

### 罗盘钛合库存管理

[App page](https://appshunter.io/ios/app/id1564682192)

**Features:** macOS Compatibility

**In-app purchases:** none


### OnePreview

[App page](https://appshunter.io/ios/app/onepreview-file-viewer/id6760284919)

This app allows you to preview and interact with various developer file formats, including Markdown, code, databases, and archives, directly on your iPhone and iPad. It offers local processing for speed and privacy, with features like PDF export and structured data inspection.

**Highlights:** Markdown and MDX rendering, JSON, YAML, XML, CSV, TSV, TOML, ENV parsing, SQLite database inspection, Source code and log viewing, ZIP and TAR.GZ archive content preview, Mermaid diagrams and KaTeX math rendering, A4 PDF export for Markdown files

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 罗盘钛合库存管理 free?

罗盘钛合库存管理 is free to download, with no in-app purchases.

### Is OnePreview free?

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

### Do 罗盘钛合库存管理 or OnePreview have ads?

Neither 罗盘钛合库存管理 nor OnePreview shows ads.

### Which is updated more often, 罗盘钛合库存管理 or OnePreview?

罗盘钛合库存管理 ships an update every 50 months, and OnePreview weekly. Most recently, 罗盘钛合库存管理 was updated on October 27, 2026 and OnePreview on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*