Notis vs Ace by Automat vs Den

Historical comparison. Den is shut down or no longer current.

Verdict

Notis aside, Ace by Automat has the highest support score, 81% across 29 checked rows out of 33. Den scores 0% across 6 checked rows out of 33.

Their strengths differ: Ace by Automat for controlling complex multi-step workflows.

None of them documents Open source.

Only Ace by Automat documents SSO and role-based access and Audit logs and compliance.

Capabilities and pricing

Capability comparison between Notis and the selected automation tools
Capability	View pricing	Ace by AutomatVisit site	DenVisit site
Build & trigger
Visual workflow builder	—		Not checked
Build workflows with natural language		Partial	Not checkedClaimed on homepage, no deep link
Schedule trigger			Not checkedClaimed on homepage, no deep link
App-event trigger		—	Not checkedClaimed on homepage, no deep link
Webhook or API trigger			Not checked
Email, form, or manual trigger	Manual: Test button / chat command		Not checked
Logic & orchestration
Conditional branches	—		Not checked
Loops and batch processing	—	Not checked	Not checked
Data mapping and transforms	—		Not checked
Custom code steps	PartialVia skills' scripts/, not a code step		Not checked
Reusable subflows	—	Not checked	Not checked
Long-running workflows			Not checked
AI & human control
AI model steps			Not checkedClaimed on homepage, no deep link
Autonomous agents			Not checkedClaimed on homepage, no deep link
Knowledge bases or RAG	Ultra-tier memory sources	Not checked	Not checkedClaimed on homepage, no deep link
Browser or computer use			Not checked
MCP support			—No MCP support documented
Human approval steps	—		Not checked
Reliability & operations
Retries and error paths	—		Not checked
Run history and logs			Not checked
Testing and debugging	Test button fires a real run on demand		Not checked
Workflow versioning	—		Not checked
Monitoring and alerts	—	Partial	Not checked
Secret management	Masked env vars + encrypted tokens		Not checked
Platform & governance
Ready-made app integrations	1,000+ apps	—	Not checkedClaimed but not published
Workflow templates	PartialSingle-prompt automation templates	Not checked	Not checked
Managed cloud			Not checked
Open source	—	—	—Closed source
Self-hosting	—	Partial	—Cloud-only, no self-host
SSO and role-based access	—		—No SSO/RBAC documented
Audit logs and compliance	—		—No audit log or compliance page
Shared team workspace			—Single-person product, no team
Usable free tier	Partial	—	Not checked
Price	FREEPRO$13/moyr (rate on a yearly commitment)+2 more	Workforce$1,800/moyr (rate on a yearly commitment)EnterpriseCustom pricing	Waitlist

IncludedPartial— Not documentedNot checked

Ranked by support score

1. Ace by Automat

AI employee for teams

An AI teammate with its own Mac, inbox and phone number that you reach on Slack, Teams, email, text, WhatsApp or a phone call, and that does the work inside the tools you already use.

Best for: controlling complex multi-step workflows

Documented strengths

AI & human control: AI model steps, Autonomous agents, Browser or computer use, MCP support and Human approval steps
Reliability & operations: Retries and error paths, Run history and logs, Testing and debugging, Workflow versioning and Secret management
Build & trigger: Visual workflow builder, 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 Ready-made app integrations, Open source and Usable free tier.

Pricing

Workforce$1,800/moyrEnterpriseCustom pricing

Workforce: $1,800 per month billed annually ($21,600 a year) or $2,000 per month month-to-month after a 7-day free trial, no per-seat pricing. Enterprise (managed automations): custom, "scoped to the outcomes you need". · no free tier · runautomat.com

How it differs from Notis: Hired, not integrated: Ace gets a dedicated Mac, its own email, phone number and logins in your existing apps, is onboarded and managed by Automat's team, and sits on the same agentic workflow platform that runs Automat's managed enterprise automations.

Visit Ace by Automat Ace by Automat alternativesSupport score: 81% across 29 checked rows out of 33

2. 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: building and triggering workflows

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

3. Den

No-code AI agent builder for personal digital clones

A no-code platform where you describe a personal AI agent in plain language that runs on a schedule or in response to external events, stays reachable by text or phone, and connects to 80+ apps.

The catch

The gap is AI and approval controls, with nothing documented for MCP support.

Pricing

Waitlist

Waitlist · getden.io

How it differs from Notis: Den is a no-code builder for a single personal AI agent (a 'digital clone') that you join a waitlist for and configure yourself around 80+ connected apps; Notis is an immediately usable multi-channel assistant with an execution layer across model providers, with no agent-building step required.

Den alternativesSupport score: 0% across 6 checked rows out of 33

Questions about this comparison

Which of Ace by Automat or Den scores highest in the evidence checked so far?

Ace by Automat, with 81% across 29 checked rows out of 33. Den scores 0% across 6 checked rows out of 33.

How much do they cost?

Ace by Automat: Workforce: $1,800 per month billed annually ($21,600 a year) or $2,000 per month month-to-month after a 7-day free trial, no per-seat pricing. Enterprise (managed automations): custom, "scoped to the outcomes you need"; Den: Waitlist. These prices are not directly comparable, so we do not rank them.

Which of them can I try for free?

Ace by Automat does not have one and free-tier availability is not checked yet for Den.

What can none of them do?

None of them documents Open source.

Where does Notis fit in?

Notis is number 2 on this page. Against Ace by Automat: Hired, not integrated: Ace gets a dedicated Mac, its own email, phone number and logins in your existing apps, is onboarded and managed by Automat's team, and sits on the same agentic workflow platform that runs Automat's managed enterprise automations.

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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