CorpusKit Reader

Ask your documents anything.

Open a .corpus and ask it in plain language. Private, on-device semantic search — with grounded answers on devices that support Apple Intelligence.

Universal — iPhone, iPad, and Mac · One-time purchase

Ask in plain language

Type a question and get the passages that actually answer it — by meaning, not just keywords. On supported devices, a short answer is written on-device, grounded only in those passages, with its sources shown.

Read in context

Browse the source by chapter, jump from any answer straight to the passage, and bookmark what you want to keep.

Bring your own corpora

Open a .corpus from Files or iCloud, use the built-in samples, download free ones from the catalog, or make your own with CorpusKit Studio.

Private by design

Everything runs on your device. No account, no tracking, and search and answers work fully offline — nothing you read or ask leaves your device.

Asking a question and receiving an answer with cited source passages
Grounded answers, with sources
Semantic search results ranked by meaning
Search by meaning
The corpus library listing available documents
Your library of corpora