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Mastra vs Whenever (by Wix)
Activepieces is open-source and self-hosted, while Whenever is a managed SaaS with built-in AI workflow generation.
MastraTypeScript framework for AI agents
Whenever (by Wix)Your coding agent writes it. Whenever runs it.Which to pick
Pick Mastra if you want…
- Typed AI agents with built-in observability
- Open-source self-hosted automation
- Integrations with React, Next.js or Node (on Mastra's list, not Whenever (by Wix)'s)
Pick Whenever (by Wix) if you want…
- Code-first AI workflow automation
- The lower starting price: $29/month against $250/month
- Integrations with Typeform, Google Sheets or Gmail (on Whenever (by Wix)'s list, not Mastra's)
Side by side
- What it is
- Mastra:Mastra is an open-source TypeScript framework for building AI agents with memory, tools, workflows and observability.
- Whenever (by Wix):Whenever is an AI-powered workflow automation platform where each workflow is a readable TypeScript module with built-in integrations and AI steps.
- Best for
- Mastra:Typed AI agents with built-in observability
- Whenever (by Wix):Code-first AI workflow automation
- Who it’s for
- Mastra:TypeScript developers building AI-powered applications and agents.
- Whenever (by Wix):Developers and teams who want code-first, deterministic automations with AI assistance.
- Pricing
- Mastra:Freemium
- Whenever (by Wix):Freemium
- Plans
- Mastra:Starter $0 per month · Teams $250 per month
- Whenever (by Wix):Free $0 · Pro $29 per month
- Open source
- Mastra:Yes, 28,481 GitHub stars
- Whenever (by Wix):Yes, 18 GitHub stars
- Works with
- Mastra:React, Next.js, Node, LibSQL, Postgres, Vite
- Whenever (by Wix):Typeform, Google Sheets, Gmail, Slack, HubSpot, Stripe, Instagram
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.
Whenever (by Wix) features
- TypeScript workflows. Write each automation as a readable TypeScript module using an open-source SDK.
- 1,400+ integrations. Connect to hundreds of apps (e.g., Typeform, Google Sheets, Slack, Stripe) with one click.
- AI steps on demand. Add AI-powered steps only where needed, using your plan’s AI spend.
- Managed credentials. Enter secrets once in the browser; they are never exposed to the coding agent.
- Versioned safe deploys. Every save creates a version; production runs the active version until you switch.
- Step-level run history. Inputs, outputs and errors are logged for 7 days (Hobby) or 30 days (Pro).
Mastra vs Whenever (by Wix) FAQ
Is Mastra or Whenever (by Wix) free?+
Mastra has a free plan (Starter); paid plans start at $250/month (Teams). Whenever (by Wix) has a free plan; paid plans start at $29/month (Pro).
Which is cheaper, Mastra or Whenever (by Wix)?+
Whenever (by Wix) is cheaper to start with: Whenever (by Wix)'s Pro plan ($29/month) against Mastra's Teams plan ($250/month).
Is Mastra or Whenever (by Wix) open source?+
Yes, both are open source: Mastra (mastra-ai/mastra on GitHub) and Whenever (by Wix) (wix-incubator/whenever on GitHub, MIT license).
Do Mastra and Whenever (by Wix) integrate with the same tools?+
Their integration lists don't overlap: Mastra lists React, Next.js, Node, LibSQL and 2 more; Whenever (by Wix) lists Typeform, Google Sheets, Gmail, Slack and 3 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.