Top Productivity iPhone Apps Ranking in Japan

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

Last updated : October 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	Microsoft CopilotMicrosoft Corporation	Productivity	3	=
4	4	Claude by AnthropicAnthropic PBC	Productivity	4	=
5	5	Gmail - Email by GoogleGoogle LLC	Productivity	5	=
6	6	Google DriveGoogle LLC	Productivity	6	=
7	7	TimeTree: Shared CalendarTimeTree, Inc.	Productivity	7	=
8	8	Google SheetsGoogle LLC	Productivity	8	=
9	9	Grok AIX Corp.	Productivity	9	1
10	10	Microsoft AuthenticatorMicrosoft Corporation	Productivity	10	1
11	11	Yahoo!メールYahoo Japan Corporation	Productivity	11	=
13	12	Google DocsGoogle LLC	Productivity	13	=
14	13	Link to WindowsMicrosoft Corporation	Productivity	14	2
15	14	Migoo - Time de AI para tudoInfiniteAI Private Limited	Productivity	15	2
16	15	Google Calendar: Get OrganizedGoogle LLC	Productivity	16	2
17	16	Simple Calendar Daily PlannerKomorebi Inc.	Productivity	17	1
18	17	Microsoft ExcelMicrosoft Corporation	Productivity	18	3
19	18	Microsoft WordMicrosoft Corporation	Productivity	19	1
20	19	Microsoft OutlookMicrosoft Corporation	Productivity	20	1
21	20	Microsoft OneDriveMicrosoft Corporation	Productivity	21	=
22	21	Chatbot App: AI AssistantTAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI	Productivity	22	3
23	22	PDF Reader＆ScannerFuzhou Tufei Technology Co., Ltd.	Productivity	23	28
24	23	Notion: Notes, Tasks, AINotion Labs, Incorporated	Productivity	24	3
25	24	シフトボード：バイトの給料計算とシフト管理Recruit Co.,Ltd.	Productivity	25	3
26	25	PDF Reader MateFuzhou Yuxian Future Technology Co., Ltd	Productivity	26	34
27	26	Dropbox: Cloud Storage BackupDropbox, Inc.	Productivity	27	2
28	27	Google Keep - Notes and listsGoogle LLC	Productivity	28	4
29	28	Grok BotX Corp.	Productivity	29	6
30	29	Google SlidesGoogle LLC	Productivity	30	6
31	30	Gemini NotebookGoogle LLC	Productivity	31	=
32	31	Microsoft PowerPointMicrosoft Corporation	Productivity	32	6
33	32	Google OneGoogle LLC	Productivity	33	1
34	33	Notta Transcribe Voice to TextMind Cruiser Limited	Productivity	34	4
35	34	Perplexity - AI Search & ChatPerplexity AI Inc.	Productivity	35	2
36	35	WidgetsmithCross Forward Consulting, LLC	Productivity	36	10
37	36	FocusFlight - Deepfocus TimerCement Planet LTD	Productivity	37	8
38	37	LockDay: To-Do List & PlannerDat Pham	Productivity	38	26
39	38	Manus - AI Agent & AutomationBUTTERFLY EFFECT PTE. LTD.	Productivity	39	4
40	39	TeraBox: 1TB Cloud & AI SpaceFLEXTECH INC.	Productivity	40	12
41	40	Dola: Smart AI AssistantSPRING SG PTE. LTD.	Productivity	41	3
42	41	Translator GO: AI TranslateINISATRE, S.L.	Productivity	42	3
43	42	Meta AIMeta Platforms, Inc.	Productivity	43	7
44	43	ToDo List Widget & TabsApp Palette LLC	Productivity	44	6
45	44	LockScreenNotesTakumi Banjoya	Productivity	45	3
46	45	QR Code Reader: Quick ScanKomorebi Inc.	Productivity	46	3
47	46	1Password: Password ManagerAgileBits Inc.	Productivity	47	6
48	47	Typeless: AI Voice KeyboardSimply LLC	Productivity	48	17
49	48	Summary - AI Note TakerLabhouse Mobile SL	Productivity	49	12
50	49	Opal: Screen Time ControlOPAL OS CORPORATION	Productivity	50	4
51	50	パスワード管理 & 個人情報流出対策：ID プロテクションTrend Micro Incorporated	Productivity	51	7
52	51	WeDo: Shared To-Do & Plannerhiroshi sakamoto	Productivity	52	12

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

ChatGPT is the top iOS Productivity app in Japan for October 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 October 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

Microsoft Copilot 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