Notis vs Base44 vs Duet

The same 33-row checklist and the same rules. Every cell shows vetted official evidence or “Not checked.”

Visit Notis Visit Base44 Visit Duet Notis alternatives Base44 alternatives Duet alternatives

So which one?

Notis aside, Base44 covers the most ground: 76% across all 33 capabilities, ahead of Duet at 61%.

They are not really after the same job, though: Base44 for operating workflows after they leave the demo and Duet for combining AI agents with human checkpoints.

Cheapest way in is a tie: Base44 and Notis all start at $0, and not one of those free plans does the product's main job.

Nothing here publishes anything on Loops and batch processing, Data mapping and transforms and Open source.

Only Base44 publishes anything on Visual workflow builder, Conditional branches and Workflow versioning.

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The whole grid, row by row

Capability comparison between Notis and the selected automation tools
Capability	View pricing	Base44Visit site	DuetVisit site
Build & trigger
Visual workflow builder	—		—
Build workflows with natural language
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		Partial
Reusable subflows	—	—	Partial
Long-running workflows
AI & human control
AI model steps
Autonomous agents
Knowledge bases or RAG	Ultra-tier memory sources
Browser or computer use
MCP support
Human approval steps	—	Partial
Reliability & operations
Retries and error paths	—	Partial	Partial
Run history and logs
Testing and debugging	Test button fires a real run on demand		Partial
Workflow versioning	—		—
Monitoring and alerts	—	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	—	—	—
Self-hosting	—	—	—
SSO and role-based access	—		Partial
Audit logs and compliance	—
Shared team workspace
Usable free tier	Partial	—	—
Price	FREEPRO$13/moyr (rate on a yearly commitment)+2 more	FreeStarter$16/moyr (rate on a yearly commitment)+4 more	Starter$20/moPro$50/mo+1 more

IncludedPartial— Not documentedNot checked

The catch with each one

Numbered by support score across vetted capability rows, with incomplete evidence shown on every card. Unknown rows never count as a no, and this is not a score against your answers.

1. Base44

No-code app builder with scheduled/triggered workflow automation and an autonomous cross-tool AI agent (Superagent)

Base44 automates backend work through scheduled or event-triggered Workflows inside an AI-built app, and through Superagent, a cross-tool autonomous agent that browses, connects to services via MCP and connectors, and runs its own workflows.

Best for: operating workflows after they leave the demo

Documented strengths

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
AI & human control: AI model steps, Autonomous agents, Knowledge bases or RAG, Browser or computer use and MCP support
Platform & governance: Ready-made app integrations, Managed cloud, SSO and role-based access, Audit logs and compliance and Shared team workspace

The catch

Official evidence records a gap in workflow logic: no published support for Loops and batch processing, Data mapping and transforms and Reusable subflows.

Pricing

FreeStarter$16/moyrBuilder$40/moyrPro$80/moyrElite$160/moyrEnterpriseCustom pricing

Free–$160/mo billed annually ($16 / $40 / $80 / $160); Enterprise custom · base44.com

Who should pick it

Pick Base44 if operating workflows after they leave the demo is what decides it for you. Walk away if you need branches, loops, transforms or long-running workflows.

Our take on how it differs from Notis: Base44's automation surface (Workflows and Superagent) is bound to an app-building platform and entirely gated behind a paid Builder plan or higher, with no free evaluation; Notis is a ready-made, channel-first personal assistant (WhatsApp, iMessage, Telegram, Slack, email, voice) with an execution layer across model providers and no app to build or host.

Visit Base4476% across 33 vetted rows (all 33)

2. Duet

Cloud AI coworker for recurring operations and internal app building

A persistent, cloud-hosted AI coworker that runs a small business's recurring work on schedules, events, and demand, and builds and hosts the internal apps that work needs.

Best for: combining AI agents with human checkpoints

Documented strengths

AI & human control: AI model steps, Autonomous agents, Knowledge bases or RAG, Browser or computer use, MCP support and Human approval steps
Build & trigger: Build workflows with natural language, Schedule trigger, App-event trigger and Email, form, or manual trigger
Platform & governance: Ready-made app integrations, Managed cloud, Audit logs and compliance and Shared team workspace

The catch

The checked gap is workflow builders and triggers. Nothing published on Visual workflow builder and Webhook or API trigger.

Pricing

Starter$20/moPro$50/moMax$200/mo

$20–$200/month (7-day free trial, no card required) · no free tier · duet.so

Who should pick it

Duet is the one to take when combining AI agents with human checkpoints is the deciding factor. Walk away if you need the right builder or trigger for your workflow.

Our take on how it differs from Notis: Duet is a company-facing automation coworker with its own managed VM, credit-metered scheduled/event workflows, and built-in app hosting; Notis is a personal and team assistant reachable from everyday channels (WhatsApp, iMessage, Telegram, Slack, email, voice) with an execution layer across model providers.

Visit Duet61% across 33 vetted rows (all 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: building workflows and starting them the way your work arrives

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 documented gap is operational controls. We found no published support for Retries and error paths, Workflow versioning and Monitoring and alerts.

Pricing

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

Free–$149/mo · help.notis.ai

Who should pick it

Worth it for building workflows and starting them the way your work arrives — that is what Notis is built around. Walk away if you need retries, logs, testing, monitoring or safe secret handling.

See what those rows cost56% across 33 vetted rows (all 33)

Where none of them wins

Nothing on this page publishes anything on Loops and batch processing, Data mapping and transforms, Open source and Self-hosting. If one of them is the thing you actually need, none of these is your answer.

One more thing, because a table like this can be read for more than it is worth. It counts what each product documents. It says nothing about how reliable any of them is, how fast it replies, how good its writing is, or what it does when an integration breaks on a Friday night. A lower support score can still be the better daily driver. The only way to know is to put a real week of work through both.

A dash means the capability was not documented on the official pages we checked. Not checked means the evidence is still incomplete.

Questions people ask

Which of Base44 or Duet covers the most features?

Base44, at 76% across all 33 capabilities, ahead of Duet at 61%. That counts documented support, not how well any of it works.

How much do they cost?

Base44: Free–$160/mo billed annually ($16 / $40 / $80 / $160); Enterprise custom; Duet: $20–$200/month (7-day free trial, no card required). Base44 and Notis all start at $0, and not one of those free plans does the product's main job.

Which of them can I try for free?

Base44 has a free tier and Duet does not.

What can none of them do?

Not one of them publishes anything on Loops and batch processing, Data mapping and transforms, Open source and Self-hosting. A dash means the capability was not documented on the official pages we checked. Not checked means the evidence is still incomplete.

How was this comparison put together?

We read whatever each product publishes — 96 first-party sources across 3 products — and scored all of them on the same 33 rows. Last checked 21 August 2026. A dash means the capability was not documented on the official pages we checked. Not checked means the evidence is still incomplete.

Where does Notis fit in?

At number 3, scored by the same code on the same 33 rows as everything else. Against Base44 specifically: Base44's automation surface (Workflows and Superagent) is bound to an app-building platform and entirely gated behind a paid Builder plan or higher, with no free evaluation; Notis is a ready-made, channel-first personal assistant (WhatsApp, iMessage, Telegram, Slack, email, voice) with an execution layer across model providers and no app to build or host.

How we checked all this

We read every product on this page against whatever it publishes — docs and pricing pages where there are any, the homepage where that is all there is — against the same 33 buyer-focused rows. A support score uses only rows with an explicit vetted state; every unchecked row remains visible and never becomes a no. Notis chose the questions and is scored by the same rule. Count the links below before you weigh a result; some vendors give us three pages and some give us one. Last checked 21 August 2026. No vendor briefings, no affiliate links, no press releases.

Sources

Spotted something out of date? These things move weekly and we would rather be corrected. Tell us at flo@mindtheflo.com and the row gets rechecked.

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