Top Productivity iPhone Apps Ranking in Japan

See the full list of Japan iPhone Productivity apps for September 12, and read the full analysis below

Last updated : September 12, 2026

Store Rank		App and Publisher	Category	Store Rank	Change
1	1	ChatGPTOpenAI OpCo, LLC	Productivity	1	=
2	2	Google GeminiGoogle LLC	Productivity	2	=
3	3	Claude by AnthropicAnthropic PBC	Productivity	3	=
4	4	Gmail - Email by GoogleGoogle LLC	Productivity	4	=
5	5	Google DriveGoogle LLC	Productivity	5	=
6	6	Google SheetsGoogle LLC	Productivity	6	1
7	7	TimeTree: Shared CalendarTimeTree, Inc.	Productivity	7	1
8	8	Microsoft AuthenticatorMicrosoft Corporation	Productivity	8	2
9	9	Grok AIX Corp.	Productivity	9	=
10	10	Google DocsGoogle LLC	Productivity	10	=
11	11	Yahoo!メールYahoo Japan Corporation	Productivity	11	=
12	12	Microsoft CopilotMicrosoft Corporation	Productivity	12	2
13	13	Microsoft ExcelMicrosoft Corporation	Productivity	13	1
14	14	PDF Craft: Local DeskFuzhou Zhiyue Interactive Technology Co.,Ltd	Productivity	14	61
15	15	Google Calendar: Get OrganizedGoogle LLC	Productivity	15	2
16	16	Microsoft OutlookMicrosoft Corporation	Productivity	16	1
17	17	Link to WindowsMicrosoft Corporation	Productivity	17	=
18	18	Microsoft WordMicrosoft Corporation	Productivity	18	2
19	19	Google SlidesGoogle LLC	Productivity	19	1
20	20	Grok BotX Corp.	Productivity	20	2
21	21	Simple Calendar Daily PlannerKomorebi Inc.	Productivity	21	1
22	22	Microsoft PowerPointMicrosoft Corporation	Productivity	22	3
23	23	Microsoft OneDriveMicrosoft Corporation	Productivity	23	2
24	24	Notion: Notes, Tasks, AINotion Labs, Incorporated	Productivity	24	=
26	25	シフトボード：バイトの給料計算とシフト管理Recruit Co.,Ltd.	Productivity	26	1
27	26	Notta Transcribe Voice to TextMind Cruiser Limited	Productivity	27	=
28	27	Gemini NotebookGoogle LLC	Productivity	28	2
29	28	Chatbot App: AI AssistantTAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI	Productivity	29	3
30	29	Summary - AI Note TakerLabhouse Mobile SL	Productivity	30	2
31	30	Dropbox: Cloud Storage BackupDropbox, Inc.	Productivity	31	2
32	31	AI Chatbot - NovaSCALEUP YAZILIM HIZMETLERI ANONIM SIRKETI	Productivity	32	1
33	32	Google Keep - Notes and listsGoogle LLC	Productivity	33	=
34	33	LockScreenNotesTakumi Banjoya	Productivity	34	=
35	34	Google OneGoogle LLC	Productivity	35	2
36	35	Perplexity - AI Search & ChatPerplexity AI Inc.	Productivity	36	=
37	36	Migoo - Time de AI para tudoInfiniteAI Private Limited	Productivity	37	8
38	37	履歴書作成WEBDIA INC.	Productivity	38	3
39	38	PDF Reader - OCR Scan EditFuzhou Jiange Technology Co.,Ltd.	Productivity	39	15
40	39	QR Code Reader: Quick ScanKomorebi Inc.	Productivity	40	2
41	40	ToDo List Widget & TabsApp Palette LLC	Productivity	41	2
42	41	Plaud: AI Note TakerPLAUD LLC	Productivity	42	4
43	42	Genspark AI Workspacegenspark inc	Productivity	43	2
44	43	Opal: Screen Time ControlOPAL OS CORPORATION	Productivity	44	4
46	44	ねこ勤怠 Track Time with Catsrikuto nishioka	Productivity	46	16
47	45	Google Tasks: Get Things DoneGoogle LLC	Productivity	47	4
48	46	CamScanner - PDF Scanner AppINTSIG Information Co., Ltd	Productivity	48	4
49	47	Translator GO: AI TranslateINISATRE, S.L.	Productivity	49	2
50	48	netprint‐コンビ二で印刷FUJIFILM Business Innovation Corp.	Productivity	50	4
51	49	Microsoft OneNoteMicrosoft Corporation	Productivity	51	3
52	50	バイトルトーク：バイトコミュニケーションアプリの新常識！dip co.ltd.	Productivity	52	3
53	51	ChouseisanMixtend Inc.	Productivity	53	2

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Top iOS Productivity Apps in Japan: Ranking Analysis for September 12

ChatGPT is the top iOS Productivity app in Japan for September 12, since it's ranking did not change by 0 positions since last month. ChatGPT is ranked in the Productivity apps category, and was developed by OpenAI OpCo, LLC.

Google Gemini rank has did not change to 2nd position in Japan for September 12, which is a change of 0 positions in ranking since last month. Google Gemini is published by Google LLC and ranked under the Free Productivity apps category in iOS in Japan

Claude by Anthropic is last of the top 3 Free Productivity apps in Apple Store ranking in Japan for this month, after it's rank did not change by 0 positions since last month