sprtkbp

7 listings we've seen · as of 6 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

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Block NSFW subreddits and hide NSFW posts from your Reddit feed

Well-being

Block adult content sites and track your discipline streak.

Education

Learn one kanji every time you open a new tab. JLPT N5 to N1 levels, example words and sentences, audio, and a memorized list

Shopping

See Amazon prices converted to your currency, on every page, automatically.

Education

Learn one Korean word every time you open a new tab. Levelled vocabulary, example sentences, audio, and a memorized list.

Education

One Chinese word on every new tab — pinyin, meaning, and example sentences, tiered by HSK level.

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Caps how many tabs you can open. Set your own limit; default is 8.