Notis vs Dify vs StackAI

Verdict

Notis aside, Dify has the highest support score, 95% across all 33 rows. StackAI scores 92% across 32 checked rows out of 33.

Their strengths differ: Dify for building and triggering workflows and StackAI for controlling complex multi-step workflows.

Dify, StackAI and Notis tie for the cheapest way in at $0, and only Dify and StackAI 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	DifyVisit site	StackAIVisit site
Build & trigger
Visual workflow builder	—
Build workflows with natural language
Schedule trigger
App-event trigger			Partial
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			Not checked
Knowledge bases or RAG	Ultra-tier memory sources
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	—	Partial	Partial
Secret management	Masked env vars + encrypted tokens
Platform & governance
Ready-made app integrations	1,000+ apps
Workflow templates	PartialSingle-prompt automation templates	Partial	Partial
Managed cloud
Open source	—	Partial	—
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	Cloud SandboxFreeCommunity (self-hosted)Free+3 more	FreeEnterpriseCustom pricing

IncludedPartial— Not documentedNot checked

Ranked by support score

1. Dify

Agentic workflow automation

Build agentic workflows with visual nodes, persistent knowledge, tools and human decision checkpoints.

Best for: building and triggering workflows

Documented strengths

Platform & governance: Ready-made app integrations, Managed cloud, 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 SandboxFreeCommunity (self-hosted)FreeCloud Professional$49.17/moyrCloud Team$132.50/moyrEnterpriseCustom pricing

Cloud Sandbox: free. Professional: $59/workspace/month or $590/year ($49.1667/month by exact division). Team: $159/month or $1,590/year ($132.50/month). Self-hosted Community: free under Dify's license; Enterprise: custom. Provider/model use and resource caps are separate. · free tier available · dify.ai

How it differs from Notis: Combines visual AI workflows and reusable agents with RAG, MCP, trigger-driven execution and optional private self-hosting under Dify's source-available license.

Visit Dify Dify alternativesSupport score: 95% across all 33 rows

2. StackAI

Enterprise AI workflow automation

Build, deploy and govern enterprise AI agents and visual workflows.

Best for: controlling complex multi-step workflows

Documented strengths

Platform & governance: Ready-made app integrations, Managed cloud, 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
Build & trigger: Visual workflow builder, Build workflows with natural language, Schedule trigger, Webhook or API trigger and Email, form, or manual trigger

The catch

The gap is platform and governance options, with nothing documented for Open source.

Pricing

FreeEnterpriseCustom pricing

Free: $0/month, 500 runs and 2 projects. Enterprise: custom quote with custom runs/seats, unlimited projects, all features and private deployment options. · stackai.com

How it differs from Notis: Combines visual workflows and tool-calling agents with resumable human input, versioned releases and managed, BYOC or on-premise deployment options.

Visit StackAI StackAI alternativesSupport score: 92% across 32 checked rows out of 33

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 workflow logic, with nothing documented for Conditional branches, Loops and batch processing, Data mapping and transforms and Reusable subflows.

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 Dify or StackAI scores highest in the evidence checked so far?

Dify, with 95% across all 33 rows. StackAI scores 92% across 32 checked rows out of 33.

How much do they cost?

Dify: Cloud Sandbox: free. Professional: $59/workspace/month or $590/year ($49.1667/month by exact division). Team: $159/month or $1,590/year ($132.50/month). Self-hosted Community: free under Dify's license; Enterprise: custom. Provider/model use and resource caps are separate; StackAI: Free: $0/month, 500 runs and 2 projects. Enterprise: custom quote with custom runs/seats, unlimited projects, all features and private deployment options. Dify, StackAI and Notis all start at $0, and only Dify and StackAI have a free plan that does the product's main job.

Which of them can I try for free?

Dify and StackAI have a free tier.

Where does Notis fit in?

Notis is number 3 on this page. Against Dify: Combines visual AI workflows and reusable agents with RAG, MCP, trigger-driven execution and optional private self-hosting under Dify's source-available license.

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

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