Martin vs Noah AI vs Quin

Verdict

Notis aside, Quin has the highest support score, 52% across all 33 rows. Martin scores 41% across all 33 rows and Noah AI scores 34% across 32 checked rows out of 33.

Their strengths differ: Quin for remembering context between conversations, Martin for scheduled and event-triggered work and Noah AI for reaching it from the apps you already message in.

The cheapest way in is Notis at Free–$149/mo, though its free plan only does part of the job.

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

Only Notis documents Telegram, Runs on your own Claude plan, Runs on your own ChatGPT plan and 6 more rows.

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Capabilities and pricing

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Capability comparison between Notis and the selected assistants
Capability	View pricing	MartinVisit site	Noah AIVisit site	QuinVisit site
Where you can use it
WhatsApp				—Not a documented channel
iMessage		—Not offered		—Not a documented channel
Telegram		—Not offered	—Not in FAQ or terms channel lists	—Not a documented channel
Slack		Vendor Slack app, DM or @mention		Slack app: DM, @mention, or icon
Email		Email him and he replies	CC or write to Noah's own address	Email or cc quin@heyquin.io
SMS or a phone number	PartialInbound calls only, no SMS	Reachable via SMS or phone call		SMS to (662) 439-7846
Voice messages	Voice notes + live calls			Recorded voice notes only
Web or desktop app	Web and desktop app	Web app only, no downloadable client	Partial	Web app only, no desktop client
Its own iPhone or Android app	—	iOS only	—"No app to download"; no store listing	iOS only, no Android
Bring your own AI
Runs on your own Claude plan		—Not offered	—No sign-in with a Claude plan	—MCP inbound only, no Claude sign-in
Runs on your own ChatGPT plan		—	—No sign-in with a ChatGPT plan	—MCP inbound only, no ChatGPT sign-in
Bring your own API key	—	—Not offered	—Flat $49/month, model usage included	—Only Quin's own API keys
Works inside your own coding agent		—No MCP server, SDK, or public API	—No MCP server or developer docs	Remote MCP server for Claude/ChatGPT
You choose which model runs your work		—	—One undisclosed third-party LLM stack	—Metered in credits, no model picker
What it can do
Ready-made app integrations	1,000+ apps	Partial3 pages, ~6 named apps	Partial9 named in FAQ; full list login-gated	Partial74 named apps directory
Creates and edits documents		Partial	—Docs/Drive are referenced, not authored	Fills Word/PDF merge-tag templates
Save your own reusable instructions			—No saved instruction sets documented	Named, reusable, triggerable workflows
Browses the web for you		—Search only, no page interaction	—No web browsing; errands go by phone	—Retrieval only, no clicking or forms
Posts to social media for you		—Not offered	—	—No social network in the directory
Joins and records your meetings	—	—Not offered	Not checked	Vendor bot joins Zoom/Meet/Teams
Memory
Remembers you between conversations		Pro only: "Enhanced long term memory"		User-authored Guidelines persist
Reads your existing files and apps	Notion, Gmail, Drive, Granola, web			Searches connected Drive, CRM, mailbox
Runs without you
Runs on a schedule or a trigger		Pro-only Background Tasks	Partial	Scheduled or Quin-triggered workflows
Reminds and nudges you				Unprompted Daily Brief email
Computers it can use
Gives it a cloud computer of its own	1h/mo (Pro) to uncapped (Ultra)	—Not offered	—	—No provisioned machine documented
Controls your own computer	Shell and apps, via the desktop app	—Not offered	—Nothing runs on your machine	—Web app and iPhone app only
Connects to MCP servers on your computer		—Not offered	—No local agent; MCP not mentioned	—Only Quin's own remote MCP server
Trust & control
Open source	—	—Closed SaaS	—Closed; proprietary IP clause	—
Run it on your own server	—	—Hosted subscriptions only	—Hosted only via heynoah.io	—AWS-only, no install path
Says it will not train on your data	Covers Notis and its LLM providers	Partial	—Not stated (checked 2026-09-02)	PartialVendor covers itself, not providers
Published security certification	PartialSub-processors certified; Notis is not	—	—	SOC 2 Type II only
Plans & support
Free plan does the product's main job	Partial	—Trial only, no ongoing free plan	—Paid only: $49/month, invitation-gated	—14-day trial, no $0 plan
Shared team workspace		—Single-person subscriptions only	Partial
Price	FREEPRO$13/moyr (rate on a yearly commitment)+2 more	Basic$21/moyr (rate on a yearly commitment)Pro$30/moyr (rate on a yearly commitment)	Early adopter$49/mo	1,000 credits$49/user/mo2,500 credits$99/user/mo+4 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 and Web or desktop 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: 80% across all 33 rows

2. Quin

AI admin assistant for meetings, CRM, and inbox follow-up

Quin joins your meetings, drafts the follow-ups, and updates your CRM and connected tools automatically.

Best for: remembering context between conversations

Documented strengths

Where you can use it: Slack, Email, SMS or a phone number, Voice messages, Web or desktop app and Its own iPhone or Android app
What it can do: Creates and edits documents, Save your own reusable instructions and Joins and records your meetings
Memory: Remembers you between conversations and Reads your existing files and apps

The catch

The gap is messaging channels, with nothing documented for WhatsApp, iMessage and Telegram.

Pricing

1,000 credits$49/user/mo2,500 credits$99/user/mo5,000 credits$149/user/mo10,000 credits$299/user/mo25,000 credits$649/user/moEnterpriseCustom pricing

$49–$649/member/month per team (1,000–25,000 credits, unlimited users), annual billing saves 14%; Enterprise custom; 14-day free trial, no free plan · no free tier · heyquin.io

How it differs from Notis: Quin goes deep on post-meeting notetaking and CRM administration for client-facing teams; Notis reaches WhatsApp, iMessage, Telegram, Slack, email and voice, and adds an execution layer across model providers.

Visit Quin Quin alternativesSupport score: 52% across all 33 rows

3. Martin

AI personal assistant reachable by phone, SMS, WhatsApp, email and Slack

A personal assistant you reach by phone call, text, WhatsApp, email or Slack that runs your calendar, inbox, reminders and notes.

Best for: scheduled and event-triggered work

Documented strengths

Where you can use it: WhatsApp, Slack, Email, SMS or a phone number, Voice messages, Web or desktop app and Its own iPhone or Android 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 Browses the web for you, Posts to social media for you and Joins and records your meetings.

Pricing

Basic$21/moyrPro$30/moyr

Basic $35/mo, $21/mo billed yearly; Pro $49/mo, $30/mo billed yearly; 7 days free · no free tier · trymartin.com

How it differs from Notis: Martin covers phone, SMS, WhatsApp, email and Slack with live voice calls and outbound calling on your behalf, but not iMessage or Telegram, and bundles one AI model per plan tier with no MCP, API-key or model-choice option, unlike Notis's channel-first, provider-agnostic execution layer.

Visit Martin Martin alternativesSupport score: 41% across all 33 rows

4. Noah AI

AI executive assistant (scheduling and follow-ups)

An AI executive assistant you text over SMS, WhatsApp, iMessage, Slack or email to schedule meetings, send emails, set reminders and make phone calls for you.

Best for: reaching it from the apps you already message in

Documented strengths

Where you can use it: WhatsApp, iMessage, Slack, Email, SMS or a phone number and Voice messages
Memory: Remembers you between conversations and Reads your existing files and apps
Runs without you: Reminds and nudges you

The catch

The gap is connected tools, with nothing documented for Creates and edits documents, Save your own reusable instructions, Browses the web for you and Posts to social media for you.

Pricing

Early adopter$49/mo

$49/month · no free tier · heynoah.io

How it differs from Notis: Noah is a narrow executive-admin assistant (calendar, email threads you CC it on, reminders, phone calls) on one undisclosed model stack; Notis adds Telegram and a voice channel, lets you choose the model and bring your own subscription or key, and runs a far broader tool and automation layer.

Visit Noah AI Noah AI alternativesSupport score: 34% across 32 checked rows out of 33

Questions about this comparison

Which of Quin, Martin or Noah AI scores highest in the evidence checked so far?

Quin, with 52% across all 33 rows. Martin scores 41% across all 33 rows and Noah AI scores 34% across 32 checked rows out of 33.

How much do they cost?

Quin: $49–$649/member/month per team (1,000–25,000 credits, unlimited users), annual billing saves 14%; Enterprise custom; 14-day free trial, no free plan; Martin: Basic $35/mo, $21/mo billed yearly; Pro $49/mo, $30/mo billed yearly; 7 days free; Noah AI: $49/month. Notis is the cheapest way in at Free–$149/mo, though its free plan only does part of the job.

Which of them can I try for free?

Quin, Martin and Noah AI do not have one.

Which of them work in WhatsApp?

Martin and Noah AI do. Quin 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 Quin: Quin goes deep on post-meeting notetaking and CRM administration for client-facing teams; Notis reaches WhatsApp, iMessage, Telegram, Slack, email and voice, and adds an execution layer across model providers.

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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