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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

EverSQL logo
EverSQL
✓ verifiedFree

AI-powered SQL optimizer for PostgreSQL and MySQL that auto-rewrites and indexes queries; now free as part of Aiven.

6.5K visits/mo
Open Source Database Designs logo
Open Source Database Designs
✓ verifiedFreemium

Online database-design tool with sample schemas and an AI generator to explore, modify or build database structures visually.

27K visits/mo
Google Opal logo
Google Opal
✓ verifiedFree

Google Labs experiment for building and sharing AI mini-apps from natural-language prompts, no coding required.

2.1M visits/mo
Rork logo
Rork
✓ verifiedFreemium

AI chat-based builder that lets non-developers describe an app and generate native mobile apps to publish to app stores.

1.1M visits/mo
Base44 logo
Base44
✓ verifiedFreemium

No-code AI platform that builds full-stack apps, websites and agents from plain-language prompts with hosting built in.

18M visits/mo
Pricing

No public pricing

No public pricing

No public pricing

No public pricing

Free: $0
Starter: $16/mo
Builder: $40/mo
Pro: $80/mo
Elite: $160/mo
Core features
  • Automatic SQL query optimization
  • Query rewriting and indexing suggestions
  • Non-intrusive performance sensor
  • Ongoing performance insights
  • Database cost-reduction recommendations
  • PostgreSQL and MySQL support
  • Library of sample database designs
  • Visual database designer / diagram tool
  • AI database generator
  • Modify and optimize existing schemas
  • SQL script export
  • Dialect converters (MySQL/PostgreSQL/MSSQL)
  • Build AI mini-apps from natural-language prompts
  • Visual editor for prompt/tool workflows
  • Share created apps with others
  • No-code AI app prototyping
  • Chat-based app generation from a natural-language description
  • Native iOS app output that can be published to the App Store
  • Native game generation including 3D worlds and multiplayer
  • File uploads to guide generation (larger uploads on paid tiers)
  • Import paths from other builders/tools (e.g., Lovable, GitHub)
  • Prompt-to-app full-stack generation
  • Built-in backend, database and auth
  • One-click integrations (Slack, Notion, HubSpot, etc.)
  • Instant hosting and custom domains
  • Superagents for automated workflows
  • GitHub sync and code export
Use cases
  • Optimizing slow SQL queries
  • Monitoring database performance
  • Reducing database CPU and storage costs
  • Getting indexing recommendations
  • Finding a starting schema for a project
  • Designing a database visually
  • Generating a schema with AI
  • Converting between SQL dialects
  • Prototyping an AI workflow quickly
  • Sharing a custom AI mini-app
  • Automating a task with chained prompts
  • Non-developers building and shipping a mobile app idea
  • Indie creators prototyping and monetizing app-store apps
  • Building simple multiplayer or 3D games without coding
  • Converting an existing web project or repo into a mobile app
  • Building internal tools and dashboards
  • Launching websites and landing pages
  • Creating customer portals and CRMs
  • Deploying AI agents that automate tasks
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