Last updated: August 31, 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	=	Google Gemini by Google	4.7
3	=	Claude by Anthropic by Anthropic PBC	4.7
4	=	Gmail - Email by Google by Google	4.7
5	1	Google Drive by Google	4.8
6	1	TimeTree: Shared Calendar by TimeTree, Inc.	4.9
7	1	Google Sheets by Google	4.8
8	2	Google Docs by Google	4.8
9	2	Google Calendar: Get Organized by Google	4.5
10	5	Microsoft Word by Microsoft Corporation	4.7
11	3	Link to Windows by Microsoft Corporation	4.0
12	1	Microsoft Excel by Microsoft Corporation	4.8
13	6	Google Slides by Google	4.7
14	4	Simple Calendar: ToDo Planner by Komorebi Inc.	4.6
15	3	Microsoft Authenticator by Microsoft Corporation	4.7
16	=	Microsoft Copilot by Microsoft Corporation	4.7
17	5	ねこ勤怠作業記録をつけるにゃー by rikuto nishioka	0.0
18	3	Microsoft OneDrive by Microsoft Corporation	4.7
19	2	Microsoft Outlook by Microsoft Corporation	4.8
20	6	Gemini Notebook by Google	4.9
21	6	Microsoft PowerPoint by Microsoft Corporation	4.7
22	2	Notion: Notes, Tasks, AI by Notion Labs, Incorporated	4.8
23	5	Perplexity - AI Search & Chat by Perplexity AI, Inc.	4.8
24	5	Dropbox: Cloud Storage Backup by Dropbox, Inc.	4.8
25	28	Focus Traveller - Flow Timer by WEI JEN CHEN	4.9
26	6	PDF Craft: Local Desk by Fuzhou Zhiyue Interactive Technology Co.,Ltd	5.0
27	2	AI Chatbot - Nova by SCALEUP YAZILIM HIZMETLERI	4.6
28	2	Notta Transcribe Voice to Text by MindCruiser	4.1
29	3	Google Keep - Notes and lists by Google	4.6
30	3	Google One by Google	4.7
31	=	PDF Reader - OCR Scan Edit by Fuzhou Jiange Technology Co., Ltd.	4.4
32	3	LockScreenNotes by Takumi Banjoya	4.8
33	7	Opal: Screen Time Control by Opal OS	4.7
34	=	Chatbot App: AI Assistant by TAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI	4.2
35	2	QR Code Reader: Quick Scan by Komorebi Inc.	4.7
36	3	Genspark AI Workspace by GENSPARK INC	4.7
37	1	PDF Editor - Convert File by Wellresion Limited	4.2
38	=	Summary - AI Note Taker by Labhouse Mobile	4.7
39	4	FocusFlight - Deepfocus Timer by Cement Planet LTD	4.9
40	7	Meta AI by Meta Platforms, Inc.	4.7
41	1	Widgetsmith by Cross Forward Consulting, LLC	4.6
42	6	履歴書作成 by WEBDIA INC.	4.4
43	9	Plaud: AI Note Taker by PLAUD LLC	4.9
44	2	Grok Bot by Anysphere	4.4
45	6	Google Tasks: Get Things Done by Google	4.8
46	9	Obsidian - Connected Notes by Dynalist Inc.	4.5
47	7	ApexDrive：One-tap Save by Estate Koala Pty Ltd	0.0
48	8	Chouseisan by Mixtend Inc.	4.8
49	21	Exocus: Gamified Focus Timer by Byland Technology (Shanghai) Co., Ltd.	4.9
50	12	Office Word: Edit Document by BEGAMOB GLOBAL LIMITED	4.7
51	17	Surfshark VPN: Fast & Secure by SURFSHARK LTD	4.7
52	19	DetoxLock: Extreme App Blocker by OnOff Labs	4.7
53	new	momblock - App Blocker by Ibuki Hara	0.0
54	4	OAZUKE by Raizo Kawaguchi	0.0
55	6	Translator GO: AI Translate by MATdev	4.4
56	4	CamScanner - PDF Scanner App by INTSIG Information Co., Ltd	4.8
57	21	Countdown & Count Up Timer by Yoji Shimobayashi	4.7
58	19	Yondo Todo List on Lock Screen by Ryunosuke Nagase	5.0
59	13	AI Chat Assistant - Chappie by Jason Safaiyeh	4.1
60	6	MEGA: Encrypted Cloud Storage by Mega Limited	4.6
61	3	Manus - AI Agent & Automation by BUTTERFLY EFFECT PTE. LTD.	4.7
62	5	Typeless: AI Voice Keyboard by Simply CA LLC	4.5
63	22	Office Word:Edit Word Document by Rhophi Analytics LLP	4.6
64	10	TickTick:To-Do List & Calendar by Appest Limited	4.9
65	15	DeepSeek - AI Assistant by 杭州深度求索人工智能基础技术研究有限公司	4.0
66	new	TabiTimer - Focus Timer by Kosuke Yoshida	0.0
67	4	Microsoft Bing Search by Microsoft Corporation	4.7
68	7	Goodnotes: AI Notes, Docs, PDF by Goodnotes Limited	4.7
69	14	Mighty Cleaner: Smart Clean Up by Nempty Intelligence	4.6
70	11	ToDo List - Daily Task Planner by Komorebi Inc.	4.7
71	4	Mobile Scanner App - Scan PDF by Glority Global Group Ltd.	4.8
72	7	Forms for Google Drive by BurningFlower INC	4.6
73	3	Microsoft OneNote by Microsoft Corporation	4.7
74	10	Documents: File Manager & Docs by Readdle Technologies Limited	4.8
75	13	ICONIT QRcode Reader by MEDIASEEK Inc.	4.5
76	10	TeraBox: 1TB Cloud & AI Space by FLEXTECH INC.	4.3
77	10	Chat Smith: AI Chatbot & Agent by Chat Smith OpCo	4.6
78	14	Daily Planner with Calendar by KIYO, K.K.	4.9
79	11	VPN - Super Unlimited Proxy by Mobile Jump Pte Ltd	4.6
80	new	Forest: Focus for Productivity by SEEKRTECH CO., LTD.	4.8
81	13	MyRoutine: Organize your day by Minding. co., Ltd.	4.8
82	2	eGovPH by DICT eGovernment	4.6
83	10	Kimi - Kimi K3 is Live by Moonshot AI	4.8
84	35	Taska: To-Do List & Planner by CanvasLab	4.8
85	6	履歴書作成 Yagish (ヤギッシュ) カメラも無料 by YAGISH, K.K.	0.0
86	17	Color Widgets: Photo Themes by BarCode Scanner	4.4
87	new	Shift Schedule Pay Calculator by Saigen inc.	5.0
88	new	vFlat Scan - PDF & OCR Scanner by VoyagerX, 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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