Top iPhone Apps Ranking in Japan

See the full list of Japan iPhone 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	Microsoft AuthenticatorMicrosoft Corporation	Productivity	1	=
2	2	Microsoft OutlookMicrosoft Corporation	Productivity	2	2
3	3	ChatGPTOpenAI OpCo, LLC	Productivity	3	1
4	4	Google GeminiGoogle LLC	Productivity	4	1
5	5	すごい時間割 - 大学生の時間割アプリRecruit Co.,Ltd.	Education	5	9
6	6	Microsoft TeamsMicrosoft Corporation	Business	6	1
7	7	ジハンピSUNTORY BEVERAGE SOLUTION LIMITED	Food & Drink	7	9
8	8	Gmail - Email by GoogleGoogle LLC	Productivity	8	2
9	9	Google ChromeGoogle LLC	Utilities	9	2
10	10	マイナビ2028 就活、就職情報　新卒\|28年卒向けMynavi Corporation	Business	10	2
11	11	MynaportalDigital Agency of Japan	Utilities	11	2
12	12	しまむらパークSHIMAMURA CO., LTD.	Shopping	12	3
13	13	デジタル認証アプリDigital Agency of Japan	Utilities	13	7
14	14	Rocket Now: Food DeliveryCP One Japan G.K.	Food & Drink	14	6
15	15	KAUCHE（カウシェ） - ショッピングアプリKAUCHE, Inc.	Shopping	15	8
16	16	BUMPiNT-Short Dramasemole K,K	Entertainment	16	49
17	17	SuicaEast Japan Railway Company	Finance	17	1
18	18	NetflixNetflix, Inc.	Entertainment	18	3
19	19	Claude by AnthropicAnthropic PBC	Productivity	19	3
20	20	ThreadsInstagram, Inc.	Social Networking	20	6
21	21	GoogleGoogle LLC	Utilities	21	6
22	22	マツキヨココカラ公式アプリMATSUKIYOCOCOKARA & CO.	Shopping	22	1
23	23	ベネフィット・ステーション公式アプリBenefit One	Lifestyle	23	4
24	24	PayPay-ペイペイPAYPAY CORPORATION	Finance	24	4
25	25	UNIPA(ユニパ) Ver.1Japan System Techniques Co., Ltd.	Education	25	1
26	26	Google MapsGoogle LLC	Navigation	26	5
27	27	Too Good To Go: End Food WasteToo Good To Go ApS	Food & Drink	27	15
28	28	TikTok LiteTIKTOK PTE. LTD.	Entertainment	28	14
29	29	東京都公式アプリTokyo Metropolitan Government	Lifestyle	29	12
30	30	バーガーキング Burger KingBK JAPAN HOLDINGS, K.K.	Food & Drink	30	6
31	31	楽天ペイ-楽天ポイントカードも利用できるスマホ決済アプリRakuten Group, Inc.	Finance	31	4
32	32	GoodShort - Short Dramas HubSINGAPORE NEW READING TECHNOLOGY PTE. LTD.	Entertainment	32	41
33	33	InstagramInstagram, Inc.	Photo & Video	33	4
34	34	Google ClassroomGoogle LLC	Education	34	29
35	35	Coke ON(コークオン)The Coca-Cola Company	Food & Drink	35	12
36	36	ミリオン-ショートドラマ見放題人気ドラマアプリMillionFLASH Co., Ltd.	Entertainment	36	14
37	37	TimeTree: Shared CalendarTimeTree, Inc.	Productivity	37	4
38	38	コドモン - 保育園の連絡をアプリで簡単にCODMON, INC.	Education	38	23
39	39	Google DriveGoogle LLC	Productivity	39	2
40	40	ゆうちょ通帳アプリ-銀行アプリJapan Post Bank Co.,Ltd	Finance	40	6
41	41	GO / Taxi app for JapanGO Inc.	Travel	41	10
42	42	楽天カード：明細確認・家計簿アプリRAKUTEN CARD,INC.	Finance	42	10
43	43	XX Corp.	News	43	4
44	44	ENEOS公式アプリ - カーライフまるごと！みんなのアプリENEOS Corporation	Lifestyle	44	9
45	45	iAEON-イオンペイ公式アプリ「アイイオン」AEON SMART TECHNOLOGY CO., LTD.	Finance	45	7
46	46	NHKプラス（NHK ONE対応）NHK (Japan Broadcasting Corp.)	Entertainment	46	16
47	47	Google SheetsGoogle LLC	Productivity	47	3
48	48	Google AuthenticatorGoogle LLC	Utilities	48	23
49	49	PASMO（パスモ）PASMO CO.,LTD.	Finance	49	17
50	50	郵便局公式アプリ - 荷物の配送状況の確認や再配達が簡単にJapan Post Co., Ltd.	Lifestyle	50	10

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Most Popular iPhone Apps in Japan: Ranking Analysis for April 4

Microsoft Authenticator is the top Free iOS app on April 4 in Japan, since it's ranking did not change by 0 positions since last month. Microsoft Authenticator is ranked in the Productivity apps category, and was developed by Microsoft Corporation.

Microsoft Outlook Japan rank has increased to 2nd position in April 4, which is a change of 2 positions in global ranking since last month. Microsoft Outlook is published by Microsoft Corporation and ranked under the apps category in iOS

ChatGPT is last of the top 3 Free apps in Apple Store ranking in Japan this month after it's rank decreased by -1 positions since last month