Yansu vs Lovable
Both build complete apps with AI. The key difference: Lovable waits for your prompt. Yansu observes your work and builds what you need before you ask.
Last updated: March 2026. Yansu is made by Isoform. This comparison is based on publicly available information.
| Feature | Yansu | Lovable |
|---|---|---|
| How you start | Automatic -- observes and builds | You describe what to build in a prompt |
| Builds complete apps | Yes -- full-stack with data integrations | Yes -- React + Supabase |
| Learns your patterns | Yes -- persistent AI memory | No -- starts fresh each time |
| Privacy | Local-first -- data on your device | Cloud-hosted (Supabase) |
| Messaging integrations | 7 platforms (Slack, Teams, Discord, etc.) | None |
| AI models | Multi-model -- auto-selects best per task | Single LLM |
| Data sources | 65+ sites via OpenCLI + Computer Use API | Supabase only |
| Platform | Desktop native (macOS, Windows, Linux) | Web browser |
| Compliance | SOC 2 Type II + ISO 27001 | Data opt-out on Business+ |
| Free tier | Yes -- free tier with limited usage | Yes -- 30 credits (5/day) |
| Starting paid price | $20/mo (Pro) | $25/mo (Pro) |
What is Lovable?
Lovable is an AI-powered code generation platform that builds full-stack web applications from natural language prompts. Users describe the app they want in plain English, and Lovable generates a React frontend with a Supabase backend including authentication, database, and file storage. The platform supports iterative refinement through follow-up prompts or a visual editor, and generated code can be exported to GitHub for deployment on Vercel, Netlify, or Cloudflare Pages. Lovable raised $200 million in a Series A round in July 2025 at a $1.8 billion valuation, and reports 2.3 million monthly active users with 180,000 paying subscribers generating $75 million in annual recurring revenue. The platform uses a credit-based pricing system where complexity determines credit cost, starting at $25 per month for 100 credits on the Pro plan. Lovable is web-based and requires no software installation.
What is Yansu?
Yansu is a proactive AI application builder by Isoform that observes how you work, learns your patterns, and autonomously builds custom applications before you ask. Unlike tools that require prompting, Yansu runs in the background as a native desktop application on macOS, Windows, and Linux, continuously monitoring your desktop activity and messaging conversations across seven platforms including Slack, Microsoft Teams, Discord, Telegram, WhatsApp, Feishu, and WeChat. When Yansu identifies an opportunity to save time or reduce friction, it generates a complete working application called a "crystal" -- a React and TypeScript project with optional backend, real data integrations from over 65 sources via OpenCLI, and native desktop window deployment. Yansu automatically selects the best AI model for each task from Claude, GPT, Gemini, and others. All data stays on your device with SOC 2 Type II and ISO 27001 certification. The free Basic tier includes limited daily chats and core features.
Key Differences
Proactive vs Prompt-Driven
The fundamental difference between Yansu and Lovable is how app creation begins. With Lovable, you open the platform, type a description of the app you want, and wait for generation. You must know what you want to build before you start. With Yansu, you do nothing -- Yansu runs in the background, observes your team's conversations and work patterns, identifies recurring pain points and opportunities, and autonomously generates an application to address them. A team discussing scattered project tasks across Jira, Notion, and Sheets in Slack would prompt Yansu to build a unified tracker automatically. With Lovable, someone on that team would need to stop, open Lovable, write a prompt describing the tracker, specify the data sources, and iterate on the result. Yansu eliminates the gap between recognizing a need and having a solution.
Privacy and Data Ownership
Yansu and Lovable take fundamentally different approaches to data handling. Yansu is local-first: all activity observations, AI memory, generated application code, and user data are stored on your device in the ~/.yansu-agent directory. Nothing leaves your machine without explicit permission. Yansu holds SOC 2 Type II and ISO 27001 certifications, and your data is never used for AI model training. Lovable is cloud-hosted: your application code lives on Lovable's servers, and data is stored in Supabase infrastructure. While Business and Enterprise plans can opt out of data collection for model training, Free and Pro users cannot. Lovable explicitly prohibits uploading HIPAA-protected health information, financial account numbers, government IDs, and biometric data. For teams handling sensitive information or operating under compliance requirements, Yansu's local-first architecture provides stronger guarantees.
Data Sources and Integrations
Lovable applications connect to Supabase for their backend, which provides a PostgreSQL database, authentication, and file storage. This works well for standard web apps but limits what the generated application can access. Yansu applications connect to over 65 real-world data sources through OpenCLI, including Twitter, Reddit, Hacker News, YouTube, LinkedIn, Bloomberg, Yahoo Finance, Wikipedia, Stack Overflow, and dozens more. On macOS, Yansu applications can also interact with native desktop applications through the Computer Use API, reading accessibility trees and performing clicks, typing, and scrolling in apps like Finder, Calendar, Mail, and Preview. Combined with seven messaging platform integrations for input, Yansu applications can pull data from virtually any source the user works with, producing tools that reflect their actual workflow rather than generic templates.
Pricing Comparison
Pricing as of March 2026. Check each product's website for current pricing.
| Plan | Yansu | Lovable |
|---|---|---|
| Free | $0 -- Basic tier with limited daily chats | $0 -- 30 credits (5/day), public projects only |
| Pro / Individual | $20/mo -- managed AI agent, cloud execution | $25/mo -- 100 credits, private projects, custom domains |
| Team | -- | $30/mo -- shared credits, real-time multiplayer |
| Business / Max | $200/mo -- 5x Pro usage | $50/mo -- SSO, design templates, RBAC |
| Enterprise | Custom -- shared team memory, SSO/SAML | Custom -- dedicated support, SCIM, audit logs |
When to Use Each
Use Lovable if you...
- Know exactly what app you want to build
- Want to build a web app for external users
- Prefer a browser-based workflow
- Need real-time collaboration with your team
- Want to export to GitHub and deploy on Vercel/Netlify
Use Yansu if you...
- Want apps built proactively from your work patterns
- Need privacy-first, local data that never leaves your device
- Work across Slack, Teams, Discord, or other messaging platforms
- Need apps that pull from 65+ real-world data sources
- Are non-technical and don't want to write prompts
- Need SOC 2 + ISO 27001 compliance