Arlo vs Lindy vs Lucas

Verdict

Notis aside, Lindy has the highest support score, 61% across 32 checked rows out of 33. Arlo scores 50% across all 33 rows and Lucas scores 42% across 32 checked rows out of 33.

Their strengths differ: Lindy for keeping the product and your data under your own control, Arlo for rolling a shared assistant out to a team and Lucas for remembering context between conversations.

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

None of them documents Bring your own API key, Open source or Run it on your own server.

Only Notis documents Telegram, Its own iPhone or Android app, Runs on your own Claude plan and 4 more rows.

Not sure which one fits you?Find your match in two minutes

Capabilities and pricing

Scroll sideways to see every product.

Capability comparison between Notis and the selected assistants
Capability	View pricing	ArloVisit site	LindyRead the comparison	LucasVisit site
Where you can use it
WhatsApp			—Not a listed channel
iMessage			Native iMessage + SMS
Telegram		—	—Outbound bot actions only	—
Slack			Vendor Slack app, primary surface	—
Email		—	Email Lindy directly (lindy@lindy.ai)	—
SMS or a phone number	PartialInbound calls only, no SMS		Vendor-provisioned phone number	Not checked
Voice messages	Voice notes + live calls		Voice notes over text/iMessage
Web or desktop app	Web, desktop and Home Screen app	Partial	Web workspace at chat.lindy.ai
Its own iPhone or Android app	Home Screen app on iPhone	—	—No first-party app found	—
Bring your own AI
Runs on your own Claude plan		—	—Credits only, no BYO subscription	—
Runs on your own ChatGPT plan		—	—Credits only, no BYO subscription	—
Bring your own API key	—	—	—Credentials are for tools, not models	—
Works inside your own coding agent		—	—MCP client only, no server published	—
You choose which model runs your work		—	Model dropdown, all models on every plan
What it can do
Ready-made app integrations	1,000+ apps	Partial	1,400+ integrations directory	—
Creates and edits documents			Versioned file explorer outlives chat
Save your own reusable instructions		Partial	PartialEarly access, rolling out gradually	Partial
Browses the web for you			Drives the browser like a person
Posts to social media for you		Partial	Posts and comments on LinkedIn	—
Joins and records your meetings	—		Named-participant recorder, 3 platforms	—
Memory
Remembers you between conversations			Recent learnings + .memory/ area
Reads your existing files and apps	Notion, Gmail, Drive, Granola, web		Gmail, Slack, Notion, Drive and more
Runs without you
Runs on a schedule or a trigger			Routines: schedule or event trigger
Reminds and nudges you			One-off and recurring nudges
Computers it can use
Gives it a cloud computer of its own		—	Not checkedNamed but persistence undocumented	Partial
Controls your own computer	Shell and apps, via the desktop app	—	—Gmail-scoped extension only	—
Connects to MCP servers on your computer		—	—Hosted public HTTPS servers only	—
Trust & control
Open source	—	—	—No repository or licence published	—
Run it on your own server	—	—	—Managed SaaS only	—
Says it will not train on your data	Covers Notis and its LLM providers	Partial	Explicitly covers providers too	Partial
Published security certification	PartialSub-processors certified; Notis is not	—	SOC 2 Type II, named auditor	—
Plans & support
Free plan does the product's main job	Partial		—Trial only, no permanent free tier
Shared team workspace			Shared workspace, shared credit pool	—
Price	FREEPRO$13/moyr (rate on a yearly commitment)+2 more	FreePlus$16.67/moyr (rate on a yearly commitment)+1 more	Plus$29.99/user/moPro$99.99/user/mo+2 more	FreeLucas Pro$16/moyr (rate on a yearly commitment)+1 more

IncludedPartial— Not documentedNot checked

Ranked by support score

1. 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: running long jobs on a machine of its own

Documented strengths

Where you can use it: WhatsApp, iMessage, Telegram, Slack, Email, Voice messages, Web or desktop app and Its own iPhone or Android app
What it can do: Ready-made app integrations, Creates and edits documents, Save your own reusable instructions, Browses the web for you and Posts to social media for you
Bring your own AI: Runs on your own Claude plan, Runs on your own ChatGPT plan, Works inside your own coding agent and You choose which model runs your work

The catch

The gap is published guarantees about your data, with nothing documented for Open source and Run it on your own server.

Pricing

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

Free–$149/mo · help.notis.ai

See Notis pricingSupport score: 83% across all 33 rows

2. Lindy

Slack-native AI teammate

A Slack-native AI teammate that runs your inbox, calendar and meetings, and takes on multi-step work across 1,000+ connected apps.

Best for: keeping the product and your data under your own control

Documented strengths

Where you can use it: iMessage, Slack, Email, SMS or a phone number, Voice messages and Web or desktop app
What it can do: Ready-made app integrations, Creates and edits documents, Browses the web for you, Posts to social media for you and Joins and records your meetings
Memory: Remembers you between conversations and Reads your existing files and apps

The catch

The gap is team and plan options, with nothing documented for Free plan does the product's main job.

Pricing

Plus$29.99/user/moPro$99.99/user/moMax$199.99/user/moEnterpriseCustom pricing

$29.99–$199.99/user/mo (Plus/Pro/Max), Enterprise custom · no free tier · lindy.ai

How it differs from Notis: Lindy goes deep on Slack-based teamwork, inbox management and meeting handling with strong admin/approval controls; Notis offers more personal channels (WhatsApp, Telegram, iMessage), user-owned agents, and a portable CLI/MCP execution layer that Lindy does not publish.

Visit Lindy Lindy alternativesSupport score: 61% across 32 checked rows out of 33

3. Arlo

AI personal assistant you text

A personal assistant you text in iMessage, SMS or WhatsApp, or use in Slack, that makes phone calls, waits on hold, books, and uses websites with your logins.

Best for: rolling a shared assistant out to a team

Documented strengths

Where you can use it: WhatsApp, iMessage, Slack, SMS or a phone number and Voice messages
What it can do: Creates and edits documents, Browses the web for you and Joins and records your meetings
Memory: Remembers you between conversations and Reads your existing files and apps

The catch

The gap is published guarantees about your data, with nothing documented for Open source, Run it on your own server and Published security certification.

Pricing

FreePlus$16.67/moyrMax$83.33/moyr

Free ($10 of usage a month) – $20/mo (Plus, $200/yr, $100 of usage) – $100/mo (Max, $1,000/yr, $500 of usage); plans differ only in included usage, no top-ups · arlo.sh

How it differs from Notis: Arlo places real outbound phone calls (menus, hold, transcript), uses websites with your saved logins and joins meetings, with usage-metered plans and no top-ups; Notis adds Telegram and email channels, CLI/MCP access for your own coding agents, and documented model choice that Arlo does not offer.

Visit Arlo Arlo alternativesSupport score: 50% across all 33 rows

4. Lucas

Personal AI assistant

A proactive personal assistant in iMessage and WhatsApp that texts you first and completes real-life tasks such as reservations, appointments and refunds.

Best for: remembering context between conversations

Documented strengths

Where you can use it: WhatsApp, iMessage, Voice messages and Web or desktop app
Memory: Remembers you between conversations and Reads your existing files and apps
Runs without you: Runs on a schedule or a trigger and Reminds and nudges you

The catch

The gap is connected tools, with nothing documented for Ready-made app integrations, Posts to social media for you and Joins and records your meetings.

Pricing

FreeLucas Pro$16/moyrLucas Max$80/moyr

Free tier; Lucas Pro $20 per month or $192 per year; Lucas Max $100 per month or $960 per year; new users get a seven-day reverse trial of the paid capabilities. · meetlucas.ai

How it differs from Notis: Lives entirely in iMessage and WhatsApp with no app to install, texts you first about what it notices, and runs web errands in its own cloud browser with a live link you tap to take over for payments or logins.

Visit Lucas Lucas alternativesSupport score: 42% across 32 checked rows out of 33

Questions about this comparison

Which of Lindy, Arlo or Lucas scores highest in the evidence checked so far?

Lindy, with 61% across 32 checked rows out of 33. Arlo scores 50% across all 33 rows and Lucas scores 42% across 32 checked rows out of 33.

How much do they cost?

Lindy: $29.99–$199.99/user/mo (Plus/Pro/Max), Enterprise custom; Arlo: Free ($10 of usage a month) – $20/mo (Plus, $200/yr, $100 of usage) – $100/mo (Max, $1,000/yr, $500 of usage); plans differ only in included usage, no top-ups; Lucas: Free tier; Lucas Pro $20 per month or $192 per year; Lucas Max $100 per month or $960 per year; new users get a seven-day reverse trial of the paid capabilities. Notis, Arlo and Lucas all start at $0, and only Arlo and Lucas have a free plan that does the product's main job.

Which of them can I try for free?

Arlo and Lucas have a free tier and Lindy does not.

Which of them work in WhatsApp?

Arlo and Lucas do. Lindy does not.

What can none of them do?

None of them documents Bring your own API key, Open source or Run it on your own server.

Where does Notis fit in?

Notis is number 1 on this page. Against Lindy: Lindy goes deep on Slack-based teamwork, inbox management and meeting handling with strong admin/approval controls; Notis offers more personal channels (WhatsApp, Telegram, iMessage), user-owned agents, and a portable CLI/MCP execution layer that Lindy does not publish.

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

Delegate your work to Notis

Message Notis on WhatsApp, iMessage, Telegram, Slack or email, and it does the work in the apps you connect.

Start free