Last updated: June 15, 2026

App Store Ranking: The Top Free Reference Apps in Japan

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Rank			Rating
1	=	Google Translate by Google	4.3
2	=	Translate Now - AI Translator by Air Apps Systems	4.7
3	=	Naver Papago - AI Translator by NAVER Corp.	4.7
4	=	DeepL Translate by DeepL SE	4.8
5	1	Wikipedia by Wikimedia Foundation	4.3
6	1	Sky Guide by Fifth Star Labs LLC	4.8
7	=	AXCI: AI Card Centering Grader by Hawkings INC.	4.7
8	=	PSA: Card Scanner & Grading by PSA	4.8
9	2	Live Translator - AI Translate by DigitalSail (HK) Limited	4.6
10	=	Kotoba - Voice Translation by (株)Kotoba Technologies Japan	4.4
11	1	Kanji Lookup by telethon k.k.	4.7
12	3	Translate AI - Live Translate by HEYOS	4.2
13	=	スマート辞書 - 国語・英語・漢字をカメラで調べる辞書アプリ by COMMAND STYLE	4.6
14	10	Bible by Life.Church	4.9
15	5	Mazii Japanese Dictionary JLPT by Ghi Nguyen	4.6
16	6	Merlin Bird ID by Cornell Lab by Cornell University	4.9
17	1	AR Translator: Translate Photo by BrainMount Ltd	4.7
18	5	英語辞書・英和辞典・翻訳 - 英辞郎 on the WEB by ALC PRESS, INC.	4.7
19	2	Translate AI. by Mary srl	3.8
20	2	Picture Bird: Bird identifier by Next Vision Limited	4.7
21	8	LINNÉ LENS - AI Encyclopedia by Linne Corporation	4.9
22	1	네이버 - NAVER by NAVER Corp.	3.2
23	9	Confit - Conference App by 株式会社アトラス	0.0
24	1	Translate Go: AI Translator by Tung To Dinh	4.7
25	5	TransGull - AI Live Translator by Say Wow, Inc.	4.9
26	6	漢字辞典 - 手書き漢字検索アプリ by Trips LLC	4.6
27	8	PlantAI: Identifier & Diagnose by Glority Global Group Ltd.	4.5
28	9	HoloDex - TCG Scan & Collect by MAVELLI FZCO	4.8
29	2	Japanese Kanji Lookup PLUS by StudySwitch, Inc.	4.3
30	12	InstantTranslator:AI Translate by APPLABS LIMITED	4.4
31	26	Family Tree Maker & Heritage by MS GESTION&CONSEIL	4.2
32	4	Weblio英語辞書 - 英和辞典 - 和英辞典を多数掲載 by GRAS Group, Inc.	4.5
33	4	CoeFont Interpreter Translator by CoeFont Co., Ltd	4.7
34	=	Hidden Camera Detector &Finder by Foshan Fullstack Technology	4.5
35	5	Voice Translator: AI Translate by BPMobile	4.4
36	14	Dictionaries by 物書堂	4.2
37	9	Translate Rabbit by HAPPY BLUE HOUSE CO., LIMITED	3.9
38	5	Weblio国語辞典 - 辞書や辞典を多数掲載 by GRAS Group, Inc.	4.5
39	8	Lok l0k-Watch Drama Movies,TV by Timm Croes	4.2
40	8	DClock - Digital Flip Clock by Xiamen ShenZhuo Information Technology Co., Ltd.	4.7
41	2	Valking.gg - Valorant Tracker by Sueleyman Karaman	4.4
42	3	Bible Chat: Daily Devotional by Book Vitals Inc.	4.9
43	1	CoinSnap: Coin Identifier by Next Vision Limited	4.7
44	3	Live Talk Translator by HUIDING (HONG KONG) TECHNOLOGY LIMITED	4.5
45	4	Shirabe Jisho by Blazej Stanek	4.9
46	=	同時通訳さん -リアルタイム音声翻訳・AI通訳・会議- by Atsushi Koyama	0.0
47	8	MOJisho: Japanese Dictionary by Krosea (Guangzhou) Co.,Ltd	4.8
48	10	Mate Translate – AI translator by Twopeople Software	4.6
49	3	西暦・和暦・年齢・干支早見表 by Shigeyuki Hamamoto	4.9
50	34	Public Reading of Scripture by The Grace and Mercy Foundation, Inc.	4.7
51	15	百度翻译-英语学习必备 by Beijing Baidu Netcom Science & Technology Co.,Ltd	4.7
52	14	Sky Tonight - Stargazing Guide by Vito Technology Inc.	4.8
53	=	AntiqSnap: Antique Identifier by Next Vision Limited	4.7
54	3	Oxford Dictionary & Thesaurus by MobiSystems, Inc.	4.6
55	6	筆順（ひつじゅん）漢字辞典 by Flipout LLC	4.7
56	19	JW Library by Watchtower Bible and Tract Society of New York, Inc.	4.8
57	7	六法 by Catalystwo Limited	5.0
58	1	VPN - 夏时国际加速器 VPN by XIASHI LIMITED	4.7
59	17	Muslim Pro: Quran & Athan by Bitsmedia Pte Ltd	4.7
60	8	スマート国語辞典 by StudySwitch, Inc.	4.4
61	17	Ani Guide for Animal Crossing by Lung Kin Cheng	4.8
62	10	暦注カレンダー by Studio Faust	5.0
63	2	Crafty Craft for Minecraft PE by CRAFTY TECH, SOCIETATEA CU RASPUNDERE LIMITATA	4.4
64	15	Pleco Chinese Dictionary by Pleco Inc.	4.7
65	27	名字由来net 〜全国都道府県ランキングや家紋家系図 by Recstu Inc.	4.6
66	21	韓国語翻訳-韓国語写真音声翻訳アプリ by 兴燕曹	4.8
67	7	雑学常識問題集クイズ2000 by YANASE GAMES, INC.	0.0
68	14	Satellite Tracker by Star Walk by Vito Technology Inc.	4.6
69	4	Dododex: ARK Survival Ascended by Dan Leveille	4.9
70	=	Fishing Knots FishPlanet by Web and Print	4.7
71	4	STAR Translation - OCR Scanner by MONOPOLEAPPS K.K.	4.1
72	24	AI Translator:Voice&Text&Photo by THREE TIGER NETWORK TECHNOLOGY LIMITED	4.6
73	10	MovP4 - MP4 Converter by REAFO CO., LTD.	3.5
74	11	Pixelmon Addons - Minecraft PE by Tin Tran	4.5
75	6	Kuli Kuli - Travel Translator by If Tech	4.5
76	17	Mikke Fish ID by zukan.com	3.0
77	14	Collectr - TCG Collector App by Collectr	4.9
78	9	英和辞典 - 英語辞書アプリ by StudySwitch, Inc.	4.3
79	8	POCKETALK – Translation App by POCKETALK Corporation	4.3
80	18	CoinIn: Coin Scan Identifier by Vortemol Limited	4.7
81	4	VinylSnap: Scan & Value Record by Next Vision Limited	4.7
82	15	ギターコードブック by SANWA Inc.	0.0
83	3	英語翻訳機-英単語勉強英和通訳アプリ by Shanghai Baowu Network Technology Co., Ltd.	4.4
84	new	Camera Translator - AI OCR + by SMART WIDGET LABS COMPANY LIMITED	4.4
85	13	Solar Walk Lite - Planetarium by Vito Technology Inc.	4.6
86	new	Bird Sounds Identifier Call ID by Nhu Nguyen Thi	4.7
87	1	３秒敬語 - ３秒AIチャット by 3keigo inc.	0.0
88	new	CiNii Articles, Books by FugaPiyo Inc.	0.0
89	33	Starry Map by にゃんこソフトウェア	4.5
90	4	Youdao Dictionary by Beijing NetEase Youdao Computer System Co.,Ltd	4.7
91	9	OP.GG by OP.GG	3.5
92	32	Night Sky by iCandi Apps Ltd.	4.7
93	new	Yomiwa - Japanese Dictionary by Nomad AI OU	4.7
94	new	Lok l0k: Watch Movies,TV Drama by Kuldeep Singh	4.3

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