使いやすいです！
操作が直感的でとても使いやすいです。リキッドグラスを取り入れたUIも魅力的です。
機能はもちろん、アプリを触っていて楽しいと感じつつ毎日利用してます。
機能はもちろん、アプリを触っていて楽しいと感じつつ毎日利用してます。
$4.99
About
A dedicated browser for various bulletin boards, offering a comfortable reading experience on iPhone and iPad. Features include AI-powered reading and summarization, a live mode for integrated images and discussions, and robust filtering options. All user data is stored locally for enhanced privacy.
✓AI-powered reading and summarization
✓Live mode for integrated images and discussions
✓Tab browsing for multiple threads
✓Advanced NG filters (word, sensitive, gore)
✓On-device translation
✓Seamless iPhone and iPad experience
✓Customizable bulletin board addition
Show original description
What's New in Lichen｜5ch対応専ブラ・掲示板ブラウザ
2.0.4
September 10, 2026
Ver2.0.4 ・板画面に「サイトへ戻る」ボタンを追加 ・iPadの階層ナビゲーションの文字を大きく見やすく ・タブの並び替えに対応（長押しドラッグ） ・Liveモードで新着レスを最下部に表示（返信先の引用付き） ・1がAA表示にならないように修正 ・その他視認性・操作性の改善
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FAQ
Does Lichen have ads?
Yes, Lichen contains advertisements. As a paid application, it includes advertisements to support its development and ongoing updates.
What is the price of Lichen?
Lichen is a paid application priced at $4.99. This one-time purchase grants access to all its features.
What devices is Lichen compatible with?
Lichen is compatible with both iPhone and iPad devices. It is designed to offer a seamless experience across both platforms.
How often is Lichen updated?
Lichen was last updated on July 31, 2026, with version 2.0.0. The release date was May 31, 2026, indicating a recent update cycle.
What age rating does Lichen have?
Lichen has an age rating of 17+. This is due to the nature of content that may be found on the bulletin boards it accesses.
How does Lichen handle user privacy?
Lichen prioritizes user privacy by storing all browsing history, posting history, favorites, and filter rules exclusively on the device. No user data is tracked or sent to external servers.
Can I add custom bulletin boards to Lichen?
Yes, Lichen allows you to add custom bulletin boards using the 'Add from URL' feature. You can specify any BBSMENU URL to integrate new boards.
What are the AI features in Lichen?
Lichen utilizes Apple Intelligence for an AI-powered reading and summarization feature. It can read threads aloud and provide 3-line summaries per ID or tree, all processed on-device.