A useful thing before a purchase: one query instead of nine browser tabs, and you see where the book is in stock and what it costs. We liked that the bot shows only available options and sorts honestly from cheapest to dearest. The search wants the exact title, so typos aren't forgiven.
DeKnigi compares prices for paper books, e-books and audiobooks across Ukrainian bookstores: Yakaboo, KSD, Ye-Knyharnia, Knyholand, Nash Format, Megogo Books, Vivat, Readeat and Sens. Type a title and the bot returns a list from the lowest price to the highest, each linking to the store page.
If the title is a single word, the bot lists every book with a similar name, but the one you want sits higher. Books that are out of stock get a separate mark and don't climb to the top.
The bot was written in early 2025 by a student of a Kyiv communications college, who expected a couple of hundred users to test the idea and got far more, plus plenty of feedback. It's free; the author is putting off monetization while improving search quality.
The interface is Ukrainian and so are the stores, so the bot is no help for buying books in other countries.
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