# J2K Browser vs HalfMoon Browser

The clearest difference is in-app purchases: J2K Browser at none against HalfMoon Browser's 1. J2K Browser also leads on device support (4 vs 2). HalfMoon Browser's advantage is update cadence (every 2 weeks vs every 143 months). On price and iOS requirement there is nothing between them.

Both are free to download. HalfMoon Browser sells 1 one-off in-app purchase. J2K Browser asks for nothing beyond the download.

J2K Browser ships an update every 143 months, HalfMoon Browser every 2 weeks. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | J2K Browser | HalfMoon Browser |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 143 months | **Every 2 weeks** |
| Size | 30 MB | 5 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [leesop.com](https://appshunter.io/developer/567390705) | [Kotaro Tominaga](https://appshunter.io/developer/1882987496) |

## What reviewers say

### J2K Browser

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

**In-app purchases:** none


### HalfMoon Browser

[App page](https://appshunter.io/ios/app/halfmoon-browser/id6762731695)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 版へアップグレード | $1.99 | one-time |


## Frequently asked questions

### Is J2K Browser free?

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

### Is HalfMoon Browser free?

HalfMoon Browser is free to download, with in-app purchases available.

### Which is updated more often, J2K Browser or HalfMoon Browser?

J2K Browser ships an update every 143 months, and HalfMoon Browser every 2 weeks. Most recently, J2K Browser was updated on October 3, 2026 and HalfMoon Browser on October 9, 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.*