Top Productivity iPhone Apps Ranking in Japan

See the full list of Japan iPhone Productivity apps for September 14, and read the full analysis below

Last updated : September 14, 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	TimeTree: Shared CalendarTimeTree, Inc.	Productivity	5	1
6	6	Google DriveGoogle LLC	Productivity	6	1
7	7	Google SheetsGoogle LLC	Productivity	7	=
8	8	Grok AIX Corp.	Productivity	8	=
9	9	Yahoo!メールYahoo Japan Corporation	Productivity	9	=
10	10	Google DocsGoogle LLC	Productivity	10	1
11	11	Microsoft CopilotMicrosoft Corporation	Productivity	11	1
12	12	Link to WindowsMicrosoft Corporation	Productivity	12	1
13	13	Google Calendar: Get OrganizedGoogle LLC	Productivity	13	1
14	14	Microsoft ExcelMicrosoft Corporation	Productivity	14	=
16	15	Simple Calendar Daily PlannerKomorebi Inc.	Productivity	16	4
17	16	AI Chatbot - NovaSCALEUP YAZILIM HIZMETLERI ANONIM SIRKETI	Productivity	17	4
18	17	Microsoft WordMicrosoft Corporation	Productivity	18	1
19	18	Microsoft AuthenticatorMicrosoft Corporation	Productivity	19	4
20	19	Microsoft OutlookMicrosoft Corporation	Productivity	20	3
21	20	シフトボード：バイトの給料計算とシフト管理Recruit Co.,Ltd.	Productivity	21	2
22	21	PDF Reader - OCR Scan EditFuzhou Jiange Technology Co.,Ltd.	Productivity	22	6
23	22	Notion: Notes, Tasks, AINotion Labs, Incorporated	Productivity	23	1
24	23	Microsoft OneDriveMicrosoft Corporation	Productivity	24	1
25	24	Google SlidesGoogle LLC	Productivity	25	3
26	25	Chatbot App: AI AssistantTAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI	Productivity	26	1
27	26	Grok BotX Corp.	Productivity	27	5
28	27	Gemini NotebookGoogle LLC	Productivity	28	1
29	28	Dropbox: Cloud Storage BackupDropbox, Inc.	Productivity	29	1
30	29	Notta Transcribe Voice to TextMind Cruiser Limited	Productivity	30	4
31	30	Microsoft PowerPointMicrosoft Corporation	Productivity	31	1
32	31	Summary - AI Note TakerLabhouse Mobile SL	Productivity	32	1
33	32	Google Keep - Notes and listsGoogle LLC	Productivity	33	1
34	33	WidgetsmithCross Forward Consulting, LLC	Productivity	34	18
35	34	Perplexity - AI Search & ChatPerplexity AI Inc.	Productivity	35	1
36	35	LockScreenNotesTakumi Banjoya	Productivity	36	2
37	36	Google OneGoogle LLC	Productivity	37	=
38	37	Migoo - Time de AI para tudoInfiniteAI Private Limited	Productivity	38	6
39	38	Trace - AI Calendar, PlannerCorca, Inc.	Productivity	39	6
40	39	Opal: Screen Time ControlOPAL OS CORPORATION	Productivity	40	3
41	40	ToDo List Widget & TabsApp Palette LLC	Productivity	41	1
42	41	Translator GO: AI TranslateINISATRE, S.L.	Productivity	42	3
43	42	Genspark AI Workspacegenspark inc	Productivity	43	3
44	43	QR Code Reader: Quick ScanKomorebi Inc.	Productivity	44	2
45	44	履歴書作成WEBDIA INC.	Productivity	45	2
46	45	netprint‐コンビ二で印刷FUJIFILM Business Innovation Corp.	Productivity	46	3
47	46	FocusFlight - Deepfocus TimerCement Planet LTD	Productivity	47	16
48	47	Google Tasks: Get Things DoneGoogle LLC	Productivity	48	3
49	48	Yondo Todo List on Lock ScreenRyunosuke Nagase	Productivity	49	8
50	49	ねこ勤怠 Track Time with Catsrikuto nishioka	Productivity	50	3
51	50	Plaud: AI Note TakerPLAUD LLC	Productivity	51	3
52	51	Manus - AI Agent & AutomationBUTTERFLY EFFECT PTE. LTD.	Productivity	52	2

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Top iOS Productivity Apps in Japan: Ranking Analysis for September 14

ChatGPT is the top iOS Productivity app in Japan for September 14, 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 14, 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