# CL MainPaper vs OKPACK

The clearest difference is update cadence: OKPACK at fortnightly against CL MainPaper's monthly. OKPACK also leads on 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.

CL MainPaper ships an update monthly, OKPACK fortnightly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CL MainPaper | OKPACK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 10 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [中汇文具](https://appshunter.io/developer/1560265223) | [仗军 夏](https://appshunter.io/developer/1774606880) |

## What reviewers say

### CL MainPaper

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

**Features:** macOS Compatibility

**In-app purchases:** none


### OKPACK

[App page](https://appshunter.io/ios/app/okpack/id6742484009)

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

**In-app purchases:** none


## Frequently asked questions

### Is CL MainPaper free?

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

### Is OKPACK free?

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

### Do CL MainPaper or OKPACK have ads?

Neither CL MainPaper nor OKPACK shows ads.

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

CL MainPaper ships an update monthly, and OKPACK fortnightly. Most recently, CL MainPaper was updated on October 24, 2026 and OKPACK on October 7, 2026.

---

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