Top Reference iPhone Apps Ranking in Japan

See the full list of Japan iPhone Reference apps for April 15, and read the full analysis below

Last updated : April 15, 2026

Store Rank		App and Publisher	Category	Store Rank	Change
1	1	Google TranslateGoogle LLC	Reference	1	=
2	2	Translate Now - AI TranslatorAIR APPS SYSTEMS, UNIPESSOAL, LDA	Reference	2	=
3	3	Naver Papago - AI TranslatorNAVER Corp.	Reference	3	=
4	4	DeepL TranslateDeepL SE	Reference	4	=
5	5	Live Translator - AI TranslateDigitalSail (HK) Limited	Reference	5	=
6	6	英語辞書・英和辞典・翻訳 - 英辞郎 on the WEBALC PRESS INC.	Reference	6	=
7	7	DictionariesMONOKAKIDO Co. Ltd.	Reference	7	=
8	8	Weblio英語辞書 - 英和辞典 - 和英辞典を多数掲載GRAS Group, Inc.	Reference	8	=
9	9	PSA: Card Scanner & GradingCollectors Universe, Inc	Reference	9	=
10	10	トリセツ-取扱説明書管理アプリTRYGLE Co.,Ltd.	Reference	10	=
11	11	Kanji Lookuptelethon k.k.	Reference	11	=
12	12	Kotoba - Voice TranslationKOTOBA TECHNOLOGIES, INC.	Reference	12	5
13	13	BibleLife.Church	Reference	13	12
14	14	CoeFont Interpreter TranslatorCoeFont Co., Ltd	Reference	14	7
15	15	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	15	3
16	16	AR Translator: Translate PhotoBrainMount Ltd	Reference	16	2
17	17	Mazii: Dict. to learn JapaneseGhi Nguyen	Reference	17	2
18	18	Sky GuideFifth Star Labs LLC	Reference	18	5
19	19	Picture Bird: Bird identifierNext Vision Limited	Reference	19	=
20	20	DONGRI S (どんぐり)EAST Co., Ltd.	Reference	20	=
21	21	常用漢字筆順辞典 - 漢字検索NOWPRODUCTION CO.,LTD	Reference	21	5
22	22	漢字辞典 - 手書き漢字検索アプリTrips LLC	Reference	22	7
23	23	六法Catalystwo Limited	Reference	23	1
24	24	InstantTranslator:AI TranslateAPPLABS LIMITED	Reference	24	8
25	25	네이버 - NAVERNAVER Corp.	Reference	25	1
26	26	Yahoo!知恵袋Yahoo Japan Corporation	Reference	26	2
27	27	Translate AI • AI TranslatorHEYOS YAZILIM HIZMETLERI TICARET LIMITED SIRKETI	Reference	27	8
28	28	Weblio国語辞典 - 辞書や辞典を多数掲載GRAS Group, Inc.	Reference	28	1
29	29	Shirabe JishoBlazej Stanek	Reference	29	6
30	30	Oxford Dictionary & ThesaurusMobiSystems, Inc.	Reference	30	1
31	31	英和辞典 - 英語辞書アプリStudySwitch, Inc.	Reference	31	1
32	32	Merlin Bird ID by Cornell LabCornell University	Reference	32	4
33	33	Japanese Kanji Lookup PLUSStudySwitch, Inc.	Reference	33	=
34	34	Orisy (オリシー)Tatsuya Harata	Reference	34	=
35	35	MOJisho: Japanese DictionaryKrosea (Guangzhou) Co.,Ltd	Reference	35	5
36	36	Voice Translator: AI TranslateBP Mobile LLC	Reference	36	2
37	37	Translate Voice：Ai ChatTINY BOLT (HK) CO., LIMITED	Reference	37	25
38	38	TransGull - AI Live TranslatorSay Wow, Inc.	Reference	38	1
39	39	JapaneseMark Gänsicke	Reference	39	118
40	40	中日辞書北辞郎 - 中国語のオンライン辞典KLIP LLC	Reference	40	32
41	41	Valking.gg - Valorant TrackerSueleyman Karaman	Reference	41	2
42	42	スマート国語辞典StudySwitch, Inc.	Reference	42	7
43	43	西暦・和暦・年齢・干支早見表Shigeyuki Hamamoto	Reference	43	1
44	44	旺文社辞典アプリObunsha Co.,Ltd.	Reference	44	3
45	45	Hidden Camera Detector &FinderFoshan Fullstack Technology LLC	Reference	45	=
46	46	筆順（ひつじゅん）漢字辞典Flipout LLC	Reference	46	3
47	47	百度翻译-英语学习必备Beijing Baidu Netcom Science & Technology Co.,Ltd	Reference	47	1
48	48	WikipediaWikimedia Foundation	Reference	48	=
49	49	DClock - Digital Flip Clock少杰施	Reference	49	5
50	50	CoinSnap: Coin IdentifierNext Vision Limited	Reference	50	10

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Top iOS Reference Apps in Japan: Ranking Analysis for April 15

Google Translate is the top iOS Reference app in Japan for April 15, 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.

Translate Now - AI Translator rank has did not change to 2nd position in Japan for April 15, which is a change of 0 positions in ranking since last month. Translate Now - AI Translator is published by AIR APPS SYSTEMS, UNIPESSOAL, LDA and ranked under the Free Reference apps category in iOS in Japan

Naver Papago - 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