Overview
pumaDB and SiteSpin serve entirely different purposes. pumaDB is a durable memory store for AI agents, designed to persist context, preferences, and state across sessions without database setup. SiteSpin is an AI website builder that generates a custom, live website from a short chat conversation. This comparison highlights their features, pricing, and ideal use cases.
Feature Comparison
| Feature | pumaDB | SiteSpin |
|---|---|---|
| Primary Purpose | Durable memory storage for AI agents | AI-powered website builder |
| Target Users | Developers building agent workflows | Freelancers, small businesses, makers |
| Setup Time | Minutes (MCP or API key) | ~5 minutes from chat to live site |
| Interface | MCP tools and REST API | Chat-based conversational UI |
| Customization | Schema-free JSON rows, typed memory | Chat-driven edits to copy, layout, colors |
| Hosting | Cloud-hosted memory service | Cloud-hosted website (yourname.sitespin.app) |
| Data Storage | 20 tables, 1,000 rows/table, 25 MB total | Website content and analytics |
| Versioning | Automatic version history (last 10 versions, 30 days) | Not specified |
| Analytics | Not applicable | Private analytics (no cookies) |
| Mobile Support | API accessible from any platform | iPhone/iPad app and web |
Pricing
pumaDB offers a free tier with 20 tables, 1,000 rows per table, and 25 MB total storage. No paid plans are explicitly mentioned, suggesting a freemium or usage-based model.
SiteSpin has a free tier that lets you build your first site with 5 edits. Pro costs $14.99/month or $129.99/year and unlocks unlimited editing, custom domain, private analytics, and attribution removal. Business is $69/month for 10 sites, developer API access, and workspace analytics. All paid plans come with a 30-day money-back guarantee.
Pros and Cons
pumaDB
Pros:
- No database setup or infrastructure management
- Dual access via MCP and REST API
- Automatic version history and recovery
- Typed memory with safety rails and rate limits
- Works with any MCP-compatible agent client
Cons:
- Limited to 25 MB total storage
- No built-in analytics or user interface for browsing memory
- Requires technical integration (MCP or API key)
SiteSpin
Pros:
- Extremely fast setup (5 minutes to live site)
- No design or technical skills needed
- Chat-based editing makes changes instant
- Free domain and private analytics included
- Mobile app for on-the-go building
Cons:
- Limited to website building only
- Free tier restricts to 5 edits
- No template flexibility β fully AI-generated
- Pro plan needed for custom domain and analytics
Verdict
pumaDB is ideal for developers who need a lightweight, durable memory layer for AI agents without managing infrastructure. SiteSpin is perfect for non-technical users who want a custom website in minutes with no learning curve. Choose pumaDB if you're building agent workflows; choose SiteSpin if you need a quick, professional website.

