# 密匣 vs SoloPDF

密匣 and SoloPDF are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | 密匣 | SoloPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 1 MB | 16 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [涛 李](https://appshunter.io/developer/1858273276) | [向东 李](https://appshunter.io/developer/1885418034) |

## What reviewers say

### 密匣

[App page](https://appshunter.io/ios/app/id6774015692)

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

**In-app purchases:** none


### SoloPDF

[App page](https://appshunter.io/ios/app/solopdf/id6787712953)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 密匣 free?

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

### Is SoloPDF free?

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

### Do 密匣 or SoloPDF have ads?

Neither 密匣 nor SoloPDF shows ads.

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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.*