# J2K Browser vs pato対応Browser

The clearest difference is update cadence: pato対応Browser at every 9 days against J2K Browser's every 143 months. J2K Browser's advantage is device support (4 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

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

J2K Browser ships an update every 143 months, pato対応Browser every 9 days. The most recent releases landed on May 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | J2K Browser | pato対応Browser |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 143 months | **Every 9 days** |
| Size | 30 MB | 11 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Jae Gwang Lee](https://appshunter.io/developer/567390705) | [KIZUNA,KK](https://appshunter.io/developer/1732960299) |

## What reviewers say

### J2K Browser

[App page](https://appshunter.io/ios/app/j2k-browser/id567390702)

**In-app purchases:** none


### pato対応Browser

[App page](https://appshunter.io/ios/app/patobrowser/id6751887140)

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

**In-app purchases:** none


## Frequently asked questions

### Is J2K Browser free?

J2K Browser is free to download, with no in-app purchases.

### Is pato対応Browser free?

pato対応Browser is free to download, with no in-app purchases.

### Which is updated more often, J2K Browser or pato対応Browser?

J2K Browser ships an update every 143 months, and pato対応Browser every 9 days. Most recently, J2K Browser was updated on May 16, 2026 and pato対応Browser on September 8, 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.*