Free / Open-sourceReal-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
#1Base44 records 14,039,232 monthly visits with +0.5% month-over-month growth and Freemium, Paid, Contact for Pricing pricing. Curiosity records 9,655 monthly visits with -44.5% growth and Contact for Pricing pricing.

Describe the internal tool you need — get working enterprise software
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | base44.com | curiosity.ai |
| Pricing Model | Freemium, Paid, Contact for Pricing | Contact for Pricing |
| Monthly Visits | 14.04M (14,039,232) | 9.66K (9,655) |
| MoM Traffic Delta |
| +74.64K (+0.5%) |
| -7.74K (-44.5%) |
| Primary Market & Share | 🇺🇸 United States (32.1%) | 🇺🇸 United States (48.5%) |
|---|
| Direct Visits / mo | 7.82M | 3.83K |
|---|
| User Rating | 4.4 | 4.2 |
|---|
| Supported Platforms | Website | Website |
|---|

Build working apps, websites, and AI agents by describing them
Describe an idea and get a working app with database, authentication, payments, and hosting already wired up — no server or infrastructure setup.
Generates complete websites with layout, copy, and design, plus built-in SEO tools and custom domain support, ready to publish in one click.
Create 24/7 AI agents that connect to your tools, take real actions, manage data, and automate recurring workflows autonomously.
Connects to Google Calendar, Gmail, Slack, Notion, HubSpot, Salesforce, and more, with API access for anything else you use.

Describe the internal tool you need — get working enterprise software
Describe an internal tool in plain language and receive a running application, dashboard, or agent rather than a mockup.
Tools are built on connected company records, so answers trace back to the specific source instead of being guessed.
Generated tools cannot reveal anything the underlying source systems would not already allow that user to see.
Runs on premises or in your own private cloud, in the region you choose, with your own choice of model.
Free / Open-sourceReal-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
#1Powerful full-stack app generation from natural language, but offers more polished UI components and smoother deployment flows.

SpecialistAn AI-native code editor offering deeper multi-file control, but demands more developer experience than zero-code platforms.

Provides a robust cloud development environment with agentic coding, but requires more manual coding oversight than pure no-code.
Converts conversational prompts into hosted applications, though with slightly less advanced UI design customizability.

Free / Open-sourceA paid, ad-free search engine that answers to its users

Enterprise AI grounded in your company's own knowledge
Generates full-stack web apps directly in the browser, though sometimes less structured for enterprise backend scaling.
SpecialistExcels at generating high-quality front-end user interfaces, but requires additional setup for complete full-stack backend integration.

Instantly builds fully functional web apps with integrated databases and payments, but features fewer advanced customization controls.

SpecialistTransforms spreadsheets into interactive business apps easily, but lacks the raw code generation flexibility of full-stack AI builders.

Multiplayer AI where people and agents work side by side
Free / Open-sourceReal-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
Powerful full-stack app generation from natural language, but offers more polished UI components and smoother deployment flows.
SpecialistAn AI-native code editor offering deeper multi-file control, but demands more developer experience than zero-code platforms.
Provides a robust cloud development environment with agentic coding, but requires more manual coding oversight than pure no-code.
Converts conversational prompts into hosted applications, though with slightly less advanced UI design customizability.
Free / Open-sourceA paid, ad-free search engine that answers to its users
Generates full-stack web apps directly in the browser, though sometimes less structured for enterprise backend scaling.
SpecialistExcels at generating high-quality front-end user interfaces, but requires additional setup for complete full-stack backend integration.
Instantly builds fully functional web apps with integrated databases and payments, but features fewer advanced customization controls.
SpecialistTransforms spreadsheets into interactive business apps easily, but lacks the raw code generation flexibility of full-stack AI builders.
Multiplayer AI where people and agents work side by side