# J2K Browser vs ワンタップブラウザ

The clearest difference is in-app purchases: J2K Browser at none against ワンタップブラウザ's 1. J2K Browser also leads on device support (4 vs 2) and iOS requirement (15.5 vs 18.0). ワンタップブラウザ's advantage is update cadence (fortnightly vs every 143 months). On price there is nothing between them.

Both are free to download. ワンタップブラウザ sells 1 one-off in-app purchase. J2K Browser asks for nothing beyond the download.

J2K Browser ships an update every 143 months, ワンタップブラウザ fortnightly. The most recent releases landed on May 16, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | J2K Browser | ワンタップブラウザ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 143 months | **Fortnightly** |
| Size | 30 MB | 12 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Jae Gwang Lee](https://appshunter.io/developer/567390705) | [Osawa Takuya](https://appshunter.io/developer/1526037490) |

## What reviewers say

### J2K Browser

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

**In-app purchases:** none


### ワンタップブラウザ

[App page](https://appshunter.io/ios/app/id1541124238)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ワンタップブラウザ プレミアム | $1.99 | one-time |


## Frequently asked questions

### Is J2K Browser free?

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

### Is ワンタップブラウザ free?

ワンタップブラウザ is free to download, with in-app purchases available.

### Which is updated more often, J2K Browser or ワンタップブラウザ?

J2K Browser ships an update every 143 months, and ワンタップブラウザ fortnightly. Most recently, J2K Browser was updated on May 16, 2026 and ワンタップブラウザ on September 3, 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.*