🇯🇵Worst Books Apps in Japan

The most complained-about books apps in Japan on App Store and Google Play, ranked by total negative reviews (1-2 stars) from real users. Updated weekly.

#	App	Platform	Rating	Negative Reviews
1	マンガワン-小学館のオリジナル漫画を毎日配信SHOGAKUKAN INC.	iOS	4.5	418
2	JoyRead-長編小説と短編小説を楽しもうJoyRead	Android	3.9	386
3	漫画 ebookjapan　電子書籍コミック・まんが本棚Yahoo Japan Corporation	iOS	4.4	374
4	TaponSpoton Limited	Android	4.0	367
5	楽天マガジン-電子書籍アプリで2500誌以上の雑誌が読み放題Rakuten Group, Inc.	iOS	3.9	358
6	コミックシーモアのマンガ本棚アプリNTT Solmare	iOS	4.5	358
7	Amazon KindleAMZN Mobile LLC	iOS	4.6	358
8	ヤンジャン＋SHUEISHA Inc.	iOS	4.6	349
9	マンガBANG！人気の漫画が読めるマンガアプリAmazia, Inc.	iOS	4.6	311
10	めちゃコミックAMUTUS CORPORATION	iOS	4.4	298
11	BOOK WALKER - 人気の漫画や小説が続々登場BOOK WALKER	Android	4.0	296
12	サンデーうぇぶりSHOGAKUKAN INC.	iOS	4.6	292
13	ニコニコ漫画 - 雑誌やWEBの人気マンガが読めるBOOKWALKER	iOS	4.6	287
14	ゼブラック：人気の漫画（マンガ）が読めるコミックアプリSHUEISHA Inc.	iOS	4.6	285
15	マンガＵＰ！SQUARE ENIX	iOS	4.5	279
16	MegaNovel（メガノベル）- 話題の小説が全網羅GoodNovel	Android	4.3	258
17	GANMA!（ガンマ）漫画アプリCOMICSMART INC.	iOS	4.6	256
18	コミックDAYSKodansha Ltd.	iOS	3.9	251
19	LINEマンガLINE Digital Frontier Corporation	iOS	4.5	244
20	ガンガンONLINESQUARE ENIX	iOS	4.5	243
21	TapRead - Read Good StoryZONGHENG CULTURE, INC.	Android	3.8	238
22	パルシィKodansha Ltd.	iOS	4.5	231
23	ピッコマKakao piccoma Corp.	iOS	4.5	228
24	マンガMee-人気の少女漫画が読めるマンガアプリSHUEISHA Inc.	iOS	4.6	225
25	マガポケ - 人気マンガが毎日楽しめるコミックアプリKodansha Ltd.	iOS	4.5	219
26	マンガPark-人気の少女漫画が毎日更新!話題作も読めるHAKUSENSHA.INC	iOS	4.4	219
27	少年ジャンプ＋人気漫画が読める雑誌アプリSHUEISHA Inc.	iOS	4.6	218
28	BestNovel - 人気の Web 小説や本を読もうMoboreader Technology USA Co Ltd	Android	3.5	203
29	Amazon AudibleオーディオブックAudible, Inc.	iOS	4.7	173
30	Amazon Kindle: 電子書籍、マンガ、雑誌Amazon Mobile LLC	Android	4.8	172
31	DL LibraryEISYS,inc.	iOS	3.3	154
32	Audible (オーディブル)Audible, Inc.	Android	4.6	150
33	WebNovelCloudary	Android	4.1	138
34	LitradMOBOREADER TECHNOLOGY USA CO LTD	Android	4.2	138
35	DeepL翻訳DeepL SE	Android	4.7	138
36	KifflireMOBOREADER TECHNOLOGY USA CO LTD	Android	3.8	136
37	Onlit：恋愛小説と異世界ファンタジーMoboreader Technology USA Co Ltd	Android	4.2	134
38	MoboReader - 恋愛小説や夢小説が気軽に読める‪MOBOREADER TECHNOLOGY USA CO LTD	Android	4.2	133
39	ウィキペディアWikimedia Foundation	Android	4.4	132
40	ManoBook - 小説や本を読むMOBOREADER TECHNOLOGY USA CO LTD	Android	3.9	126
41	MoboReader - 恋愛小説や夢小説が気軽に読める‪CHANGDU (HK) TECHNOLOGY LIMITED	iOS	4.2	120
42	Google Play ブックス: 漫画・電子書籍・ラノベGoogle LLC	Android	4.7	109
43	Wick まんがxSNS株式会社Wick	iOS	4.5	107
44	Holy Quran - Deeper journeyAvn Global Application	Android	4.6	98
45	WeReadMoboreader Technology USA Co Ltd	Android	4.2	95
46	BakisahMOBOREADER TECHNOLOGY USA CO LTD	Android	4.5	95
47	eStory- short dramas & NovelHALOFUN PTE. LTD.	Android	4.6	86
48	Mazii（マジー）日本語辞書・漢字検索｜多機能辞書アプリMastering Japanese	Android	4.6	83
49	LeraMOBOREADER TECHNOLOGY USA CO LTD	Android	4.4	73
50	ReadNow - 人気恋愛小説が夢中になるライブラリMoboreader Technology USA Co Ltd	Android	4.4	73

Worst Books Apps in Other Countries

See how the same books apps fare across other markets.

Worst Apps in Japan by Other Categories

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Why Books Apps Fail in Japan

Books apps that earn the most complaints in Japan usually share the same failure patterns: missing local payment methods, broken integrations with country-specific services, slow servers, missing language support, or feature parity gaps with the global version. Reviews concentrate around the moment a books feature works in the US or UK but breaks in Japan.

This page ranks books apps in Japan by total number of negative reviews (1-2 stars). Whether you are researching competitors before launching a books app in Japan, benchmarking your own app against local pain points, or just curious which books apps users in Japan complain about most: this data shows you what is actually happening on the ground, not what marketing pages claim.

See best books apps in Japan →|Worst Books (global) →|All worst apps in Japan →|Full Leaderboard →