Top Productivity iPhone Apps Ranking in Japan

See the full list of Japan iPhone Productivity apps for September 15, and read the full analysis below

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

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Top iOS Productivity Apps in Japan: Ranking Analysis for September 15

ChatGPT is the top iOS Productivity app in Japan for September 15, 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 15, 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