WEEEK vs Buildin.AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WEEEK
This app offers a unified platform for managing tasks, projects, and team documents. It provides multiple task views, a knowledge base for documentation, and integrates with popular calendar and file-sharing services. Syncs across devices for seamless collaboration.
- Unified task, project, and document management
- Multiple task views (Boards, Week, List)
- Knowledge base for documentation
- Tree-like hierarchy for organization
- Integrations with calendars and cloud services
- Real-time progress monitoring and team comments
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WEEEK is a flexible platform for project, task and team management. A SINGLE TOOL FOR THE TEAM. With WEEEK you can manage tasks, projects and documents in one place. All so you can save time and be on the same page with your team. TASKS. An intuitive task manager for process control. There are three task view modes inside: — Boards - for step-by-step processes, Agile and Scrum work — Week - for current tasks and meetings — List - for easy sorting by importance and deadline Monitor progress on tasks in real time and communicate with the team in the comments. KNOWLEDGE BASE. Internal service for storing documentation, instructions and regulations. Forget about gray canvases - add images, videos, headings, lists and color blocks. All the team's knowledge accessible in seconds. MORE STRUCTURE. No chaos - just a tree-like hierarchy for tasks and documents. Sub-tasks and nested documents help you build a clear system of work. INTEGRATIONS. WEEEK adapts to your working style. Synchronize your space with Google, Apple or Yandex Calendar, insert attachments from Google Docs, Miro and Figma. SYNC ACROSS DEVICES. Work wherever you want - in the web version and mobile apps. All your data is saved. And it's free. Also: — flexible privacy settings — create custom fields in tasks — task repetition — in-app, email and Telegram notifications — priority tags and task types — and even more features in the web version Everything you need to get started is free: up to 5 team members, 7 projects and 100 documents. And you can expand the possibilities in paid tariffs in the web version of WEEEK: app.weeek.net
Buildin.AI
This AI-powered workspace centralizes documents, notes, tasks, wikis, and more. It offers powerful AI writing and analysis tools, flexible organization options, and seamless cross-platform collaboration for individuals and teams.
- AI writing assistant
- Space Q&A for document analysis
- Markdown and bi-directional linking
- Flexible database views (tables, boards, calendars)
- Cross-platform real-time sync
- Team collaboration with custom permissions
- Mindmap and outline note switching
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Join 100,000+ users in the all-in-one AI workspace for docs, notes, tasks, wikis, mindmaps, databases, and more. Buildin.AI helps you create, organize, collaborate and monetize effortlessly across devices. With powerful AI features and real-time sync, Buildin.AI is your Second Brain—supporting personal planning, content creation, project management, research, and seamless team collaboration. Whether you’re managing tasks, building a knowledge base, or organizing ideas, Buildin.AI helps you work smarter, not harder. 【Get Started Easily】 - Multiple Import Options: Supports importing from CSV, Markdown, HTML, Word, Notion, and more. Effortlessly migrate your existing data and kickstart your knowledge management. - Extensive Template Library: Access hundreds of beautifully designed templates for personal planning, task management, project management, and more. Easily customize your document and note-taking space. 【Buildin AI: Your Smart Assistant】 - Writing Assistant: Generate ideas, refine text, summarize, and translate effortlessly. - Space Q&A: Ask AI questions based on your past documents and notes—never lose track of key information. - Smart Document Analysis: Interpret PDFs, Word, HTML, and more to extract valuable insights. 【Docs & Notes】 - Markdown & Bi-Directional Links, format effortlessly with drag-and-drop blocks, custom fonts, colors, and layouts. - Rich Content Embedding: Add tables, code, formulas, to-dos, images, videos, and audio for a seamless note-taking experience. 【Databases & Project Management】 - Flexible Views: Organize data in tables, lists, boards, timelines, and calendars. - Smart Filtering & Sorting: Track tasks, manage projects, and schedule events by date, priority, or custom fields. 【Cross-Platform Sync】 - Sync Anywhere, Anytime: Access your workspace across desktop, mobile, and web with real-time synchronization. 【Efficient Team Collaboration】 - One-Click Sharing: Real-time editing, commenting, and notifications for seamless teamwork. - Custom Permissions & Version Control: Assign roles and prevent data loss with automatic backups. - Third-Party Integrations: Embed tools like Figma, Canva into your workspace. 【Mindmap】 - Easily switch between outline notes and visual mindmaps to structure ideas dynamically. 【Folders & File Management】 - Multi-Level Folders: Store and manage documents, images, audio, video, and more, just like a file manager. - Cloud Storage: Sync across desktop, mobile, and web with real-time access to your files. --- 【Subscription Benefits】 - Unlimited AI Usage & Ask My Subscription - Unlimited Pages, Blocks, Mindmap Nodes, and Team Members - 5GB Large File Uploads & 1TB Storage Capacity - Custom Fonts & Page Layouts - Full Page History & Bulk File Downloads - More External Collaboration Members - Workspace Grouping & Watermark Settings 【Terms & Policies】 [User Agreement](https://buildin.ai/share/2120db09-65bd-46af-92c8-a13351a6844d) [Privacy Policy](https://buildin.ai/share/4ab3ac80-08b5-4796-a7b6-46db637630d3) 【Connect with Us】 X/Twitter: [@BuildinHQ](https://x.com/BuildinHQ) Threads: [@BuildinHQ](https://www.threads.net/@BuildinHQ) Telegram: [@Buildin_Channel](https://t.me/Buildin_Channel) YouTube: [@BuildinAI](https://www.youtube.com/@BuildinAI) Website: [Buildin.AI](https://buildin.ai/)
Screenshots
Verdict
The clearest difference is in-app purchases: WEEEK at none against Buildin.AI's 4. WEEEK also leads on rating (4.3 vs 4.0) and ratings volume (16 vs 3). Buildin.AI's advantage is review sentiment (64% vs 38%). On price, update cadence, ads and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Buildin.AI sells 4 one-off in-app purchases. WEEEK asks for nothing beyond the download.
WEEEK holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: WEEEK has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 38% of WEEEK's written reviews are positive against 64% of Buildin.AI's, so the app with the better star average is not the one people write more warmly about.
WEEEK ships an update every 11 days, Buildin.AI every 2 weeks. Both last shipped on September 22, 2026.
| Parameter | WEEEK | Buildin.AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (16 ratings) — better | 4.0 (3 ratings) |
| Positive reviews | 38.0% of reviews | 63.6% of reviews — better |
| Number of ratings | 16 — better | 3 |
| Update frequency | Every 11 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 114 MB | 228 MB |
| Age rating | 4+ | 4+ |
| Developer | IVAN MARAKHOVKA | BYTE FLOW LTD. |
Customer experience
WEEEK
Buildin.AI
In-app purchases
WEEEK
No in-app purchases
Buildin.AI
- AI Pro Plan - Monthly$10.00
- Personal Pro - Monthly$11.99
- AI Pro Plan - Annual$96.00
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- Personal Pro - Annual$119.99









