Comparison

Buildin.AI vs Kwent

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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/)

About

Kwent

Features
Read full description

Kwent is your private knowledge base for the web. Save the articles, PDFs, and research that matter, keep them safe even if the original page disappears, and find everything again in seconds. Read now or keep it for later — it's yours to own. COLLECT EVERYTHING THAT MATTERS - Save articles directly from Safari and other browsers with the Share Sheet - Paste links into the app or add articles and notes manually - Import PDFs and keep them offline - A clean reader view for whenever you want to dive in KEEP IT FOR GOOD - Saved articles stay readable even if the website changes or goes offline - Everything lives in your private library, synced through iCloud - Built for collections you return to — finance, recipes, research, and more ORGANIZE AND FIND IT AGAIN - Inbox for newly saved items - Folders and smart folders for repeatable workflows - Color-coded tags for topics, priorities, and projects - Full-text search across titles, content, summaries, and more - Semantic search to find things by meaning, not just exact words AI THAT WORKS ACROSS YOUR KNOWLEDGE - Summaries, including on-device intelligence on supported devices - Ask questions about any article and get to relevant answers faster - Translate foreign-language articles without leaving your flow - Daily or weekly digests for unread content - Compare and analyze multiple articles together HIGHLIGHT, LISTEN, AND EXPORT - Save highlights and notes directly inside each article - Listen with system voices or AI voices - Export to Markdown, JSON, PDF, Obsidian, or Notion AVAILABLE ACROSS YOUR DEVICES - Sync your library through iCloud - Built for iPhone and iPad, with support for larger screens Kwent is free for saving, organizing, and reading. Optional subscriptions unlock additional AI and productivity features. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Privacy Policy: https://www.kwentapp.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Buildin.AI4 screens
Kwent4 screens

Verdict

The call

The clearest difference is update cadence: Buildin.AI at fortnightly against Kwent's every 6 weeks. On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Buildin.AI sells 9 one-off in-app purchases and Kwent sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Buildin.AI ships an update fortnightly, Kwent every 6 weeks. The most recent releases landed on October 18, 2026 and October 5, 2026 respectively.

Scorecard1 real difference · 9 level
Buildin.AI versus Kwent: the parameters behind the verdict, then further details
ParameterBuildin.AIKwent
PriceFreeFree
Rating4.3 (4 ratings) — better—
Positive reviews63.6% of reviews—
Number of ratings4 — better—
Update frequencyFortnightly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.0 — better17.0
Further details — not scored
Size238 MB16 MB
Age rating4+17+
DeveloperBYTE FLOW LTD.Achim Lenz

In-app purchases

9 purchases

Buildin.AI

One-time9
  • AI Pro Plan - Monthly$10.00
  • Personal Pro - Monthly$11.99
  • 3,000 AI Credits$12.00
Show 6 more
  • Team Monthly (1 seat)$18.00
  • 10,000 AI Credits$36.00
  • AI Pro Plan - Annual$96.00
  • 35,000 AI Credits$119.99
  • Personal Pro - Annual$119.99
  • Team Yearly (1 seat)$179.99
2 purchases

Kwent

Subscriptions2
  • Kwent Plus$2.991 Month
  • Kwent Pro$5.991 Month

Questions

Is Buildin.AI free?
Buildin.AI is free to download, with in-app purchases available.
Is Kwent free?
Kwent is free to download, with in-app purchases available.
Do Buildin.AI or Kwent have ads?
Neither Buildin.AI nor Kwent shows ads.
Which is updated more often, Buildin.AI or Kwent?
Buildin.AI ships an update fortnightly, and Kwent every 6 weeks. Most recently, Buildin.AI was updated on October 18, 2026 and Kwent on October 5, 2026.

Other comparisons