Top Reference iPhone Apps Ranking in Japan

See the full list of Japan iPhone Reference apps for May 3, and read the full analysis below

Last updated : May 3, 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	トリセツ-取扱説明書管理アプリTRYGLE Co.,Ltd.	Reference	6	=
7	7	Sky GuideFifth Star Labs LLC	Reference	7	2
8	8	PSA: Card Scanner & GradingCollectors Universe, Inc	Reference	8	1
9	9	Translate AI - Live TranslateHEYOS YAZILIM HIZMETLERI TICARET LIMITED SIRKETI	Reference	9	1
10	10	Kanji Lookuptelethon k.k.	Reference	10	2
11	11	LINNÉ LENS - AI EncyclopediaLinne Corp.	Reference	11	16
12	12	Kotoba - Voice TranslationKOTOBA TECHNOLOGIES, INC.	Reference	12	1
13	13	英語辞書・英和辞典・翻訳 - 英辞郎 on the WEBALC PRESS INC.	Reference	13	1
14	14	AR Translator: Translate PhotoBrainMount Ltd	Reference	14	1
15	15	Picture Bird: Bird identifierNext Vision Limited	Reference	15	8
16	16	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	16	1
17	17	WikipediaWikimedia Foundation	Reference	17	12
18	18	Merlin Bird ID by Cornell LabCornell University	Reference	18	15
19	19	네이버 - NAVERNAVER Corp.	Reference	19	5
20	20	InstantTranslator:AI TranslateAPPLABS LIMITED	Reference	20	5
21	21	Weblio英語辞書 - 英和辞典 - 和英辞典を多数掲載GRAS Group, Inc.	Reference	21	1
22	22	Translate AI.Mary srl	Reference	22	3
23	23	CoeFont Interpreter TranslatorCoeFont Co., Ltd	Reference	23	7
24	24	常用漢字筆順辞典 - 漢字検索NOWPRODUCTION CO.,LTD	Reference	24	2
25	25	Yahoo!知恵袋Yahoo Japan Corporation	Reference	25	1
26	26	CoinSnap: Coin IdentifierNext Vision Limited	Reference	26	5
27	27	Mazii Japanese Dictionary JLPTGhi Nguyen	Reference	27	9
28	28	Sky Tonight - Stargazing GuideVito Technology Inc.	Reference	28	6
29	29	マイAI-AIが魚を判定する新しい魚図鑑B.Creation Inc.	Reference	29	28
30	30	漢字辞典 - 手書き漢字検索アプリTrips LLC	Reference	30	6
31	31	BibleLife.Church	Reference	31	7
32	32	Japanese Kanji Lookup PLUSStudySwitch, Inc.	Reference	32	4
33	33	DictionariesMONOKAKIDO Co. Ltd.	Reference	33	8
34	34	TransGull - AI Live TranslatorSay Wow, Inc.	Reference	34	4
35	35	Voice Translator: AI TranslateBP Mobile LLC	Reference	35	2
36	36	Valking.gg - Valorant TrackerSueleyman Karaman	Reference	36	1
37	37	萌典Audrey Tang	Reference	37	-
38	38	Satellite Tracker by Star WalkVito Technology Inc.	Reference	38	37
39	39	Translate Voice: AI TranslatorHAPPY TOOLS HK LIMITED	Reference	39	3
40	40	百度翻译-英语学习必备Beijing Baidu Netcom Science & Technology Co.,Ltd	Reference	40	1
41	41	Weblio国語辞典 - 辞書や辞典を多数掲載GRAS Group, Inc.	Reference	41	1
42	42	DClock - Digital Flip Clock少杰施	Reference	42	21
43	43	Hidden Camera Detector &FinderFoshan Fullstack Technology LLC	Reference	43	3
44	44	Dododex: ARK Survival AscendedDan Leveille	Reference	44	1
45	45	Lok l0k-Watch Drama Movies,TVTimm Croes	Reference	45	1
46	46	Shirabe JishoBlazej Stanek	Reference	46	14
47	47	六法Catalystwo Limited	Reference	47	3
48	48	Oxford Dictionary & ThesaurusMobiSystems, Inc.	Reference	48	2
49	49	Poppy Chapter 5 for MinecraftPush the Button Productions	Reference	49	9
50	50	HoloDex - TCG Scan & CollectMAVELLI - FZCO	Reference	50	3

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Top iOS Reference Apps in Japan: Ranking Analysis for May 3

Google Translate is the top iOS Reference app in Japan for May 3, 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 May 3, 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