# CR4 vs CL MainPaper

The clearest difference is update cadence: CL MainPaper at monthly against CR4's every 14 months. CR4's advantage is iOS requirement (13.0 vs 15.0). 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.

CR4 ships an update every 14 months, CL MainPaper monthly. The most recent releases landed on September 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CR4 | CL MainPaper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Monthly** |
| Size | 2 MB | 10 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [G-Soft Online Software SLU](https://appshunter.io/developer/1493513779) | [中汇文具](https://appshunter.io/developer/1560265223) |

## What reviewers say

### CR4

[App page](https://appshunter.io/ios/app/cr4/id1563732367)

**Features:** macOS Compatibility

**In-app purchases:** none


### CL MainPaper

[App page](https://appshunter.io/ios/app/cl-mainpaper/id1564069676)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CR4 free?

CR4 is free to download, with no in-app purchases.

### Is CL MainPaper free?

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

### Do CR4 or CL MainPaper have ads?

Neither CR4 nor CL MainPaper shows ads.

### Which is updated more often, CR4 or CL MainPaper?

CR4 ships an update every 14 months, and CL MainPaper monthly. Most recently, CR4 was updated on September 29, 2026 and CL MainPaper on October 24, 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.*