# 人生系统 vs SoloPDF

The clearest difference is iOS requirement: 人生系统 at 13.0 against SoloPDF's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

人生系统 ships an update every 3 weeks, SoloPDF every 2 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | 人生系统 | SoloPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 34 MB | 16 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [淮智 皇甫](https://appshunter.io/developer/1896680389) | [向东 李](https://appshunter.io/developer/1885418034) |

## What reviewers say

### 人生系统

[App page](https://appshunter.io/ios/app/id6769965093)

**Features:** 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 人生系统 free?

人生系统 is free to download, with no in-app purchases.

### Is SoloPDF free?

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

### Do 人生系统 or SoloPDF have ads?

Neither 人生系统 nor SoloPDF shows ads.

### Which is updated more often, 人生系统 or SoloPDF?

人生系统 ships an update every 3 weeks, and SoloPDF every 2 weeks. Most recently, 人生系统 was updated on October 10, 2026 and SoloPDF on October 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.*