Last updated: October 5, 2026

App Store Ranking: The Top Free Productivity Apps in Japan

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Rank			Rating
1	=	ChatGPT by OpenAI OpCo, LLC	4.8
2	1	Google Gemini by Google	4.7
3	1	Microsoft Copilot by Microsoft Corporation	4.7
4	=	Claude by Anthropic by Anthropic PBC	4.7
5	=	Gmail - Email by Google by Google	4.7
6	=	TimeTree: Shared Calendar by TimeTree, Inc.	4.9
7	=	Google Drive by Google	4.8
8	=	Google Sheets by Google	4.8
9	4	Google Calendar: Get Organized by Google	4.5
10	4	Google Docs by Google	4.8
11	11	FocusFlight - Deepfocus Timer by Cement Planet LTD	4.9
12	4	Link to Windows by Microsoft Corporation	4.0
13	4	Simple Calendar Daily Planner by Komorebi Inc.	4.6
14	4	Microsoft Authenticator by Microsoft Corporation	4.7
15	=	Microsoft Excel by Microsoft Corporation	4.7
16	3	Microsoft Word by Microsoft Corporation	4.7
17	1	Microsoft Outlook by Microsoft Corporation	4.8
18	5	Chatbot App: AI Assistant by TAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI	4.2
19	1	Microsoft OneDrive by Microsoft Corporation	4.7
20	4	Notion: Notes, Tasks, AI by Notion Labs, Incorporated	4.8
21	5	Dropbox: Cloud Storage Backup by Dropbox, Inc.	4.8
22	11	PDF Craft: Local Desk by Fuzhou Zhiyue Interactive Technology Co.,Ltd	3.5
23	5	Perplexity - AI Search & Chat by Perplexity AI, Inc.	4.8
24	3	Google Slides by Google	4.7
25	4	Microsoft PowerPoint by Microsoft Corporation	4.7
26	4	Notta Transcribe Voice to Text by MindCruiser	4.1
27	4	Gemini Notebook by Google	4.9
28	4	Meta AI by Meta Platforms, Inc.	4.7
29	4	寿命 by Michikusa Inc.	0.0
30	4	Google One by Google	4.7
31	4	Google Keep - Notes and lists by Google	4.6
32	8	LockScreenNotes by Takumi Banjoya	4.8
33	5	Translator GO: AI Translate by MATdev	4.4
34	7	QR Code Reader: Quick Scan by Komorebi Inc.	4.7
35	12	WeDo: Shared To-Do & Planner by hiroshi sakamoto	4.8
36	16	Exocus: Gamified Focus Timer by Byland Technology (Shanghai) Co., Ltd.	4.9
37	9	HachiCalendar by 加明严	4.0
38	6	Summary - AI Note Taker by Labhouse Mobile	4.7
39	9	Grok Bot by X Corp.	4.9
40	10	履歴書作成 by WEBDIA INC.	4.4
41	4	Genspark AI Workspace by GENSPARK INC	4.7
42	=	LockDay: To-Do List & Planner by Dat Pham	0.0
43	10	Google Tasks: Get Things Done by Google	4.8
44	12	Manus - AI Agent & Automation by BUTTERFLY EFFECT PTE. LTD.	4.7
45	2	PDF Reader Mate by Fuzhou Yuxian Future Technology Co., Ltd	0.0
46	13	ねこ勤怠 Track Time with Cats by rikuto nishioka	5.0
47	2	Typeless: AI Voice Keyboard by Simply CA LLC	4.5
48	10	Chouseisan by Mixtend Inc.	4.9
49	13	Opal: Screen Time Control by Opal OS	4.7
50	11	Widgetsmith by Cross Forward Consulting, LLC	4.6
51	new	SitePrinter: Screenshot to PDF by Shintaro Fukuta	0.0
52	5	Mobile Scanner App - Scan PDF by Glority Global Group Ltd.	4.8
53	7	Freenotes®: AI Notes Taking by Free Notes AI Note Taker LTD	4.7
54	15	OAZUKE by Raizo Kawaguchi	5.0
55	9	CamScanner - PDF Scanner App by INTSIG Information Co., Ltd	4.8
56	9	AI Chat Assistant - Chappie by Mitissa, LLC	4.3
57	6	Focus Traveller - Flow Timer by WEI JEN CHEN	4.9
58	8	DetoxLock: Extreme App Blocker by OnOff Labs	4.7
59	10	Chat Smith: AI Chatbot & Agent by Chat Smith OpCo	4.6
60	14	Obsidian - Connected Notes by Dynalist Inc.	4.5
61	22	Countdown & Count Up Timer by Yoji Shimobayashi	4.7
62	6	Office Word: Edit Document by BEGAMOB GLOBAL LIMITED	4.7
63	12	TickTick:To-Do List & Calendar by Appest Limited	4.9
64	9	MEGA: Encrypted Cloud Storage by Mega Networks LLC	4.6
65	11	ToDo List - Daily Task Planner by Komorebi Inc.	4.7
66	12	PDF Reader - OCR Scan Edit by Fuzhou Jiange Technology Co., Ltd.	4.4
67	4	Plaud: AI Note Taker by PLAUD LLC	4.9
68	26	TeraBox: 1TB Cloud & AI Space by FLEXTECH INC.	4.3
69	8	Forms for Google Docs by Aurora Innovation	4.7
70	11	Goodnotes: AI Notes, Docs, PDF by Goodnotes Limited	4.7
71	4	Microsoft OneNote by Microsoft Corporation	4.7
72	2	Forms for Google Drive by BurningFlower INC	4.6
73	11	MyRoutine: Organize your day by Minding. co., Ltd.	4.8
74	22	Forest: Focus for Productivity by SEEKRTECH CO., LTD.	4.8
75	12	Daily Planner with Calendar by KIYO, K.K.	4.9
76	22	Grit: Daily Habit Tracker by GrittyApps	4.8
77	14	Surfshark VPN: Fast & Secure by SURFSHARK LTD	4.7
78	10	Office Word:Edit Word Document by Rhophi Analytics LLP	4.6
79	11	Voice Recorder: Sound Recorder by UXGROUP L.L.C-FZ	4.5
80	new	-잉 by UnCheon Baek	0.0
81	new	minical - Planner & Calendar by minical Inc.	4.8
82	3	Shift Schedule Pay Calculator by Saigen inc.	5.0
83	new	DeepSeek - AI Assistant by 杭州深度求索人工智能基础技术研究有限公司	3.9
84	11	Microsoft Bing Search by Microsoft Corporation	4.7
85	new	XLSX Sheets: Edit Spreadsheet by Rhophi Analytics LLP	4.5
86	new	1Password: Password Manager by AgileBits Inc.	4.7
87	new	Todoist: To Do List & Calendar by Todoist Inc.	4.8

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AppBrain is a directory focused on discovering great apps and games. We give statistics, rankings and search options that Google Play and the App Store don't have. All trademarks are owned by their respective owners. AppBrain doesn't offer APKs or binaries, and always lets users install the official version from Google Play or the App Store.

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