| 1 | 1 |  AudiotekaAudioteka Group Sp. z o.o. | 書籍 | 1 | 1 |
| 2 | 2 |  Storytel - Audiobooks LibraryStorytel Sweden AB | 書籍 | 2 | 1 |
| 3 | 3 |  BookBeat: Audiobooks & E-booksBookBeat AB | 書籍 | 3 | = |
| 4 | 4 |  Empik Go - Audiobooki i EbookiEmpik S.A | 書籍 | 4 | = |
| 5 | 5 |  Mój Świat KsiążkiDRESSLER DUBLIN SP Z O O | 書籍 | 5 | 1 |
| 6 | 6 |  Legimi - ebooks and audiobooksLegimi S.A. | 書籍 | 6 | 1 |
| 7 | 7 |  Booklo: Book TrackerDawid Krakowczyk | 書籍 | 7 | 6 |
| 8 | 8 |  AnyStories-Top Novels & BooksREAD ASAP LTD | 書籍 | 8 | 1 |
| 9 | 9 |  Readmio: Kids Books Read Aloudreadmio s.r.o. | 書籍 | 9 | 1 |
| 10 | 10 |  Wattpad - Read & Write StoriesWattpad Corp | 書籍 | 10 | 3 |
| 11 | 11 |  NieZwykłeDariusz Stanisław Marszałek | 書籍 | 11 | = |
| 12 | 12 |  Inkitt Galatea: Audio & eBooksInkitt GmbH | 書籍 | 12 | 4 |
| 13 | 13 |  Goodreads: Book Tracker & MoreGoodreads, Inc | 書籍 | 13 | 1 |
| 14 | 14 |  SnackFic - Stories & NovelsSnack AI Inc. | 書籍 | 14 | 2 |
| 15 | 15 |  Amazon Kindle: Reading AppAMZN Mobile LLC | 書籍 | 15 | 2 |
| 16 | 16 |  Skup KsiążekAntykwariat i Ksiegarnia Tezeusz Sp. z.o.o. | 書籍 | 16 | 2 |
| 17 | 17 |  Sowa MobiLeszek Masadynski | 書籍 | 17 | 2 |
| 18 | 18 |  Janitor: Interactive StoriesJanitorAI, INC | 書籍 | 18 | = |
| 19 | 19 |  AlphaNovel - Novels & StoriesBrailion Ventures Limited | 書籍 | 19 | 4 |
| 20 | 20 |  Merito Toruń, Bydgoszcz, ŁódźSygnity Business Solutions S.A. | 書籍 | 20 | 1 |
| 21 | 21 |  Audible: Audiobooks & PodcastsAudible, Inc. | 書籍 | 21 | 1 |
| 22 | 22 |  LubimyCzytać.plLubimyczytac.pl Sp. z o.o. | 書籍 | 22 | 1 |
| 23 | 23 |  BookPlayerBOOKPLAYER LLC | 書籍 | 23 | 1 |
| 24 | 24 |  ReadEra – book reader pdf epubREADERA EOOD | 書籍 | 24 | 5 |
| 25 | 25 |  WoblinkWydawnictwo Otwarte sp. z o.o. | 書籍 | 25 | = |
| 26 | 26 |  Novelist: audiobooki i e-bookiNovelist Sp. z o.o. | 書籍 | 26 | = |
| 27 | 27 |  Wolne LekturyNowoczesna Polska | 書籍 | 27 | 9 |
| 28 | 28 |  NovelSpark - Read Good StoriesZongheng Culture Limited | 書籍 | 28 | 8 |
| 29 | 29 |  NovelBite - Stories & NovelsNexten Labs Limited | 書籍 | 29 | 1 |
| 30 | 30 |  CINiBA KatowiceSygnity Business Solutions S.A. | 書籍 | 30 | 17 |
| 31 | 31 |  Litres: Books and audiobooksLitRes OOO | 書籍 | 31 | = |
| 32 | 32 |  PocketBook ReaderPocketbook International SA | 書籍 | 32 | 1 |
| 33 | 33 |  Google Play Books & AudiobooksGoogle LLC | 書籍 | 33 | 1 |
| 34 | 34 |  SkupszopSKUPSZOP SP Z O O | 書籍 | 34 | 7 |
| 35 | 35 |  Epub Reader -read epub,chm,txt俐 马 | 書籍 | 35 | 8 |
| 36 | 36 |  Publio - ebooki, audiobookiAGORA KSIAZKA I MUZYKA SP Z O O | 書籍 | 36 | 6 |
| 37 | 37 |  Color Goods™ - Coloring GamesDewela Lda | 書籍 | 37 | 3 |
| 38 | 38 |  Inkitt: Books, Novels, StoriesFree Novels Inc | 書籍 | 38 | 4 |
| 39 | 39 |  SwapieLagano Sp. z o.o. | 書籍 | 39 | 4 |
| 40 | 40 |  Super Stories: Bedtime TalesPatryk Kaflowski | 書籍 | 40 | = |
| 41 | 41 |  Biblioteka KrakówOpenform S.C. Rafal Matras, Magdalena Klejdysz-Matras, Tomasz Marszalek | 書籍 | 41 | 10 |
| 42 | 42 |  Bookmory - reading trackerTonySoft | 書籍 | 42 | 4 |
| 43 | 43 |  ФикбукBreakpoint SIA | 書籍 | 43 | 2 |
| 44 | 44 |  Biblioteka Śląska KatowiceSygnity Business Solutions S.A. | 書籍 | 44 | 21 |
| 45 | 45 |  Bookshelf-Your virtual librarySquidBit d.o.o. | 書籍 | 45 | 11 |
| 46 | 46 |  Bookology: Book TrackerEmpty Studio | 書籍 | 46 | 7 |
| 47 | 47 |  Абук: електронні й аудіокнигиDanylo Tryndiuk | 書籍 | 47 | 1 |
| 48 | 48 |  StoryGraph: Reading TrackerThe StoryGraph Limited | 書籍 | 48 | 10 |
| 49 | 49 |  Libby, the library appOverDrive, Inc. | 書籍 | 49 | 14 |
| 50 | 50 |  Fanfict Reader AO3 unofficialFree Apps LLC CA | 書籍 | 50 | 37 |
| 51 | 51 |  TBR - BookshelfTBR - Bookshelf, LLC | 書籍 | 51 | 7 |
