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heybro vs Mastra
Activepieces is an open-source Zapier alternative focused on server-side flows, not mobile UI automation
Which to pick
Pick heybro if you want…
- On-device AI task automation
- A free, open-source tool
- Integrations with Flutter, Kotlin or Google Gemini AI (on heybro's list, not Mastra's)
Pick Mastra if you want…
- Typed AI agents with built-in observability
- Open-source no-code automation
- Integrations with React, Next.js or Node (on Mastra's list, not heybro's)
Side by side
- What it is
- heybro:HeyBro is an open-source Android AI agent that automates phone tasks like messaging, payments, email, and photo capture.
- Mastra:Mastra is an open-source TypeScript framework for building AI agents with memory, tools, workflows and observability.
- Best for
- heybro:On-device AI task automation
- Mastra:Typed AI agents with built-in observability
- Who it’s for
- heybro:Android developers and power-users who want on-device AI automation
- Mastra:TypeScript developers building AI-powered applications and agents.
- Pricing
- heybro:Open source
- Mastra:Freemium
- Plans
- heybro:—
- Mastra:Starter $0 per month · Teams $250 per month
- Open source
- heybro:Yes
- Mastra:Yes, 28,481 GitHub stars
- Works with
- heybro:Flutter, Kotlin, Google Gemini AI
- Mastra:React, Next.js, Node, LibSQL, Postgres, Vite
heybro features
- Standalone AI agent. Runs directly on Android without needing a computer after setup.
- On-device automation. Uses Accessibility and Overlay permissions to see the screen and tap buttons.
- Google Gemini integration. Leverages Gemini AI via a Google Service Account for natural-language understanding.
- Voice control. Accepts spoken commands when the app is open (requires Porcupine API key).
- Cross-platform codebase. Built with Flutter for UI and Kotlin for native Android components.
Mastra features
- Typed Agents. Define agents with instructions, models, tools and runtime behavior in TypeScript.
- Workflows. Compose multi-step, retryable, branchable workflows with typed control flow.
- Harness. Coordinate multi-mode agents with shared state, threads and storage.
- Memory. Durable observational memory with semantic recall and thread-aware storage.
- Observability. Logs, metrics, traces, datasets and signals for full runtime insight.
- Server & Studio. Run agents locally or in Mastra Cloud and manage them via a web studio.
heybro vs Mastra FAQ
Is heybro or Mastra free?+
heybro is free and open source. Mastra has a free plan (Starter); paid plans start at $250/month (Teams).
Which is cheaper, heybro or Mastra?+
heybro is free, so it costs less. Mastra starts at $250/month (Teams).
Is heybro or Mastra open source?+
Yes, both are open source: heybro (iamvaar-dev/heybro on GitHub) and Mastra (mastra-ai/mastra on GitHub).
Do heybro and Mastra integrate with the same tools?+
Their integration lists don't overlap: heybro lists Flutter, Kotlin and Google Gemini AI; Mastra lists React, Next.js, Node, LibSQL and 2 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.