Top Productivity iPhone Apps Ranking in Japan

See the full list of Japan iPhone Productivity apps for September 13, and read the full analysis below

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

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Top iOS Productivity Apps in Japan: Ranking Analysis for September 13

ChatGPT is the top iOS Productivity app in Japan for September 13, 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 13, 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