Top Reference iPhone Apps Ranking in Japan

See the full list of Japan iPhone Reference apps for April 4, and read the full analysis below

Last updated : April 4, 2026

Store Rank		App and Publisher	Category	Store Rank	Change
1	1	Google TranslateGoogle LLC	Reference	1	=
2	2	Live Translator - AI TranslateDigitalSail (HK) Limited	Reference	2	=
3	3	Translate Now - AI TranslatorAIR APPS SYSTEMS, UNIPESSOAL, LDA	Reference	3	=
4	4	Naver Papago - AI TranslatorNAVER Corp.	Reference	4	=
5	5	DeepL TranslateDeepL SE	Reference	5	=
6	6	DictionariesMONOKAKIDO Co. Ltd.	Reference	6	=
7	7	トリセツ-取扱説明書管理アプリTRYGLE Co.,Ltd.	Reference	7	=
8	8	Sky GuideFifth Star Labs LLC	Reference	8	1
9	9	PSA: Card Scanner & GradingCollectors Universe, Inc	Reference	9	1
10	10	Kanji Lookuptelethon k.k.	Reference	10	=
11	11	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COMMAND STYLE	Reference	11	9
12	12	Kotoba - Voice TranslationKOTOBA TECHNOLOGIES, INC.	Reference	12	1
13	13	AR Translator: Translate PhotoBrainMount Ltd	Reference	13	1
14	14	Yahoo!知恵袋Yahoo Japan Corporation	Reference	14	4
15	15	英語辞書・英和辞典・翻訳 - 英辞郎 on the WEBALC PRESS INC.	Reference	15	2
16	16	CoeFont Interpreter TranslatorCoeFont Co., Ltd	Reference	16	3
17	17	AI Translator - Translate AIHEYOS YAZILIM HIZMETLERI TICARET LIMITED SIRKETI	Reference	17	2
18	18	Mazii: Dict. to learn JapaneseGhi Nguyen	Reference	18	2
19	19	네이버 - NAVERNAVER Corp.	Reference	19	2
20	20	Picture Bird: Bird identifierNext Vision Limited	Reference	20	9
21	21	３秒敬語 - ３秒AIチャット3BYO KEIGO K.K	Reference	21	2
22	22	TransGull - AI Live TranslatorSay Wow, Inc.	Reference	22	1
23	23	Sky Tonight - Stargazing GuideVito Technology Inc.	Reference	23	1
24	24	漢字辞典 - 手書き漢字検索アプリTrips LLC	Reference	24	4
25	25	LINNÉ LENS - AI EncyclopediaLinne Corp.	Reference	25	1
26	26	InstantTranslator:AI TranslateAPPLABS LIMITED	Reference	26	=
27	27	常用漢字筆順辞典 - 漢字検索NOWPRODUCTION CO.,LTD	Reference	27	2
28	28	Japanese Kanji Lookup PLUSStudySwitch, Inc.	Reference	28	1
29	29	BibleLife.Church	Reference	29	13
30	30	Valking.gg - Valorant TrackerSueleyman Karaman	Reference	30	1
31	31	Poppy Chapter 5 for MinecraftPush the Button Productions	Reference	31	2
32	32	Weblio英語辞書 - 英和辞典 - 和英辞典を多数掲載GRAS Group, Inc.	Reference	32	=
33	33	Ani Guide for Animal CrossingLung Kin Cheng	Reference	33	1
34	34	JW LibraryWatchtower Bible and Tract Society of New York, Inc.	Reference	34	22
35	35	DClock - Digital Flip Clock少杰施	Reference	35	6
36	36	Kuli Kuli - Travel TranslatorShanghai Ruoyou Network Technology Co., Ltd.	Reference	36	46
37	37	Orisy (オリシー)Tatsuya Harata	Reference	37	6
38	38	CoinSnap: Coin IdentifierNext Vision Limited	Reference	38	10
39	39	Voice Translator: AI TranslateBP Mobile LLC	Reference	39	2
40	40	Shirabe JishoBlazej Stanek	Reference	40	=
41	41	Hidden Camera Detector &FinderFoshan Fullstack Technology LLC	Reference	41	6
42	42	WikipediaWikimedia Foundation	Reference	42	3
43	43	西暦・和暦・年齢・干支早見表Shigeyuki Hamamoto	Reference	43	1
44	44	MOJisho: Japanese DictionaryKrosea (Guangzhou) Co.,Ltd	Reference	44	8
45	45	Weblio国語辞典 - 辞書や辞典を多数掲載GRAS Group, Inc.	Reference	45	6
46	46	筆順（ひつじゅん）漢字辞典Flipout LLC	Reference	46	10
47	47	Lok l0k: Watch Drama TV,MoviesOlivia Harris	Reference	47	13
48	48	Tarbo PDF CreatorMINER (HK) CO., LIMITED	Reference	48	18
49	49	六法Catalystwo Limited	Reference	49	3
50	50	Merlin Bird ID by Cornell LabCornell University	Reference	50	2

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Top iOS Reference Apps in Japan: Ranking Analysis for April 4

Google Translate is the top iOS Reference app in Japan for April 4, since it's ranking did not change by 0 positions since last month. Google Translate is ranked in the Reference apps category, and was developed by Google LLC.

Live Translator - AI Translate rank has did not change to 2nd position in Japan for April 4, which is a change of 0 positions in ranking since last month. Live Translator - AI Translate is published by DigitalSail (HK) Limited and ranked under the Free Reference apps category in iOS in Japan

Translate Now - AI Translator is last of the top 3 Free Reference apps in Apple Store ranking in Japan for this month, after it's rank did not change by 0 positions since last month