Notis vs Activepieces vs Windmill

Verdict

Notis aside, Windmill has the highest support score, 100% across 32 checked rows out of 33. Activepieces scores 98% across all 33 rows.

Their strengths differ: Windmill for building and triggering workflows and Activepieces for controlling complex multi-step workflows.

Windmill, Activepieces and Notis tie for the cheapest way in at $0, and only Windmill and Activepieces have a free plan that does the product's main job.

Capabilities and pricing

Capability comparison between Notis and the selected automation tools
Capability	View pricing	ActivepiecesVisit site	WindmillVisit site
Build & trigger
Visual workflow builder	—
Build workflows with natural language		Partial
Schedule trigger
App-event trigger
Webhook or API trigger
Email, form, or manual trigger	Manual: Test button / chat command
Logic & orchestration
Conditional branches	—
Loops and batch processing	—
Data mapping and transforms	—
Custom code steps	PartialVia skills' scripts/, not a code step
Reusable subflows	—
Long-running workflows
AI & human control
AI model steps
Autonomous agents
Knowledge bases or RAG	Ultra-tier memory sources		Not checked
Browser or computer use
MCP support
Human approval steps	—
Reliability & operations
Retries and error paths	—
Run history and logs
Testing and debugging	Test button fires a real run on demand
Workflow versioning	—
Monitoring and alerts	—
Secret management	Masked env vars + encrypted tokens
Platform & governance
Ready-made app integrations	1,000+ apps
Workflow templates	PartialSingle-prompt automation templates
Managed cloud
Open source	—
Self-hosting	—
SSO and role-based access	—
Audit logs and compliance	—
Shared team workspace
Usable free tier	Partial
Price	FREEPRO$13/moyr (rate on a yearly commitment)+2 more	Community EditionFreeFree Cloud+3 more	Cloud FreeFree / Open-source (self-hosted)+3 more

IncludedPartial— Not documentedNot checked

Ranked by support score

1. Windmill

Developer workflow automation

Build code-first workflows, APIs and internal tools with a low-code flow editor.

Best for: building and triggering workflows

Documented strengths

Platform & governance: Ready-made app integrations, Workflow templates, Managed cloud, Open source, Self-hosting, SSO and role-based access, Audit logs and compliance, Shared team workspace and Usable free tier
Build & trigger: Visual workflow builder, Build workflows with natural language, Schedule trigger, App-event trigger, Webhook or API trigger and Email, form, or manual trigger
Logic & orchestration: Conditional branches, Loops and batch processing, Data mapping and transforms, Custom code steps, Reusable subflows and Long-running workflows

Pricing

Cloud FreeFree / Open-source (self-hosted)Cloud Team (developer seat)$10/user/moEnterprise (self-hosted; seats + compute)$120/moCloud Enterprise (capacity-based)$840/mo

Cloud Free: $0, 1,000 executions/month. Cloud Team: $10/developer seat/month (operators $5), 10,000 executions/seat, maximum 10 seats. Cloud Enterprise is capacity-based, advertised from $840/month. Self-hosted Free is $0 with unlimited executions; self-hosted Enterprise is seats+compute, and eligible small-company Pro is separately restricted. · free tier available · windmill.dev

How it differs from Notis: A code-first orchestrator with low-code flows, durable approvals, AI agents and MCP, available as managed cloud or customer-controlled AGPLv3-based deployment.

Visit Windmill Windmill alternativesSupport score: 100% across 32 checked rows out of 33

2. Activepieces

AI workflow automation platform

Builds and runs app-connected flows and AI agents in the cloud or on customer-controlled infrastructure.

Best for: controlling complex multi-step workflows

Documented strengths

Platform & governance: Ready-made app integrations, Workflow templates, Managed cloud, Open source, Self-hosting, SSO and role-based access, Audit logs and compliance, Shared team workspace and Usable free tier
Logic & orchestration: Conditional branches, Loops and batch processing, Data mapping and transforms, Custom code steps, Reusable subflows and Long-running workflows
AI & human control: AI model steps, Autonomous agents, Knowledge bases or RAG, Browser or computer use, MCP support and Human approval steps

Pricing

Community EditionFreeFree CloudPlus$16/moyrTeam$166/moyrUltimateCustom pricing

$0–$200/mo; annual billing lowers Plus to $16/mo and Team to $166/mo; Ultimate custom; Community Edition free self-hosted · free tier available · activepieces.com

How it differs from Notis: Combines open-source flow automation, AI agents, a built-in MCP server, and supported cloud or self-hosted deployment.

Visit Activepieces Activepieces alternativesSupport score: 98% across all 33 rows

3. Notis

Personal AI assistant

Notis is a personal AI assistant you message from WhatsApp, iMessage, Telegram, Slack or email, and reach from your own coding agent through its MCP server.

Best for: combining AI agents with human checkpoints

Documented strengths

Build & trigger: Build workflows with natural language, Schedule trigger, App-event trigger, Webhook or API trigger and Email, form, or manual trigger
AI & human control: AI model steps, Autonomous agents, Knowledge bases or RAG, Browser or computer use and MCP support
Reliability & operations: Run history and logs, Testing and debugging and Secret management

The catch

The gap is platform and governance options, with nothing documented for Open source, Self-hosting, SSO and role-based access and Audit logs and compliance.

Pricing

FREEPRO$13/moyrPRO+$39/moyrULTRA$99/moyr

Free–$149/mo · help.notis.ai

See Notis pricingSupport score: 56% across all 33 rows

Questions about this comparison

Which of Windmill or Activepieces scores highest in the evidence checked so far?

Windmill, with 100% across 32 checked rows out of 33. Activepieces scores 98% across all 33 rows.

How much do they cost?

Windmill: Cloud Free: $0, 1,000 executions/month. Cloud Team: $10/developer seat/month (operators $5), 10,000 executions/seat, maximum 10 seats. Cloud Enterprise is capacity-based, advertised from $840/month. Self-hosted Free is $0 with unlimited executions; self-hosted Enterprise is seats+compute, and eligible small-company Pro is separately restricted; Activepieces: $0–$200/mo; annual billing lowers Plus to $16/mo and Team to $166/mo; Ultimate custom; Community Edition free self-hosted. Windmill, Activepieces and Notis all start at $0, and only Windmill and Activepieces have a free plan that does the product's main job.

Which of them can I try for free?

Windmill and Activepieces have a free tier.

Where does Notis fit in?

Notis is number 3 on this page. Against Windmill: A code-first orchestrator with low-code flows, durable approvals, AI agents and MCP, available as managed cloud or customer-controlled AGPLv3-based deployment.

How we checked

We checked each product's official pages against the same 33 capability rows. The support score is the share of checked rows a product documents. Partial support counts half, and rows not checked yet stay out of the score. Notis chose the rows and is scored the same way. The score does not measure reliability, reply speed or writing quality. Last checked 21 August 2026.

Sources

Describe the workflow and Notis runs it

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