Howie AI is a calendar secretary you CC on email threads to book, move, and protect your meetings; Sabi is an AI executive assistant you text, who handles the calendar plus email, follow-ups, reporting, and 200+ other tools. So Sabi vs Howie comes down to one question: is scheduling your biggest drag, or one of many? This comparison covers price, human review, scope, and fit as of September 2026.

What is the difference between Sabi and Howie?

Howie is an AI scheduling assistant that lives in your inbox. Sabi is an AI executive assistant that works from a text thread and reaches across the business.

Howie's home page calls it "the AI assistant you loop in on anything that needs your time." You add Howie to a thread, and "Howie reads the thread, checks availability, offers times, handles replies, and turns messy scheduling conversations into clean calendar events." It also adds holds and buffers, follows up when people go quiet, and briefs your day.

We built Sabi for owners who don't want to learn another AI tool. There is no builder and no prompt engineering: you text her "move my Thursday calls, then chase the two proposals nobody answered," and she does both.

Howie AI is a specialist that books meetings over email with a human safety net; Sabi is a generalist assistant that handles scheduling as one of many jobs across 200+ tools.

	Sabi	Howie
Category	AI executive assistant	AI calendar secretary
Main job	Does the work: inbox, calendar, follow-ups, reporting	Books, blocks, and protects meeting time
How you use it	Text, email, Slack, web, mostly iMessage	CC on email, plus iMessage and SMS
Who it is for	Owners doing $10K to $100K per month	Founders, investors, and execs with meeting-heavy weeks
Company	Inovo Studios, United States	3030 Labs, Inc., Seattle; $6M seed led by True Ventures

Howie's company details come from GeekWire's September 2025 funding report, which also counted 1,000+ paying customers and 5,000+ meetings scheduled per week.

How much does Howie AI cost compared to Sabi?

Howie AI pricing starts at $25 per month for 1,250 shared credits, and Sabi is $295 per month, and a founding member special running now brings that down significantly. Howie meters by credit; Sabi charges one flat price for the whole assistant.

Pricing	Sabi	Howie
Retail price	$295/mo, month to month; currently running a founding member special that brings this down significantly	Team plan from $25/mo
Founding offer	Founding member special open now: significant savings for early users	None listed
Usage limit	Unlimited credits on Pro: no usage caps	1,250 credits/mo at $25, up to 150,000 at $2,500/mo
Add-ons	None	Custom assistant email at your domain +$20/mo
Teams	Single-user today	Unlimited teammates on shared credits; Enterprise custom
Free start	Free starter credits, no card	$25 in free credits
Human support	A human touches every ticket, and Sabi texts you when it is picked up and when it is fixed	Email support 8 AM to 10 PM PST daily, first reply goal 24 hours

Howie's plan numbers come from the pricing section of its home page and its hours from the support page, as of September 2026. Howie does not publish how many credits one meeting uses, so run your real volume through the free credits first.

Howie AI costs $25 to $2,500 a month depending on credit volume; Sabi is $295 a month with unlimited credits, and a founding member special running now brings that down significantly.

Does Howie AI use human reviewers?

Yes, and it deserves credit for it. GeekWire reported that Howie runs tasks through "multiple fine-tuned language models, escalating uncertain cases to human reviewers."

CEO Austin Petersmith put a number on it in an October 2025 interview: "we have 65 people now, full-time contractors that work around the clock that are the humans in the loop behind Howie." He also said some tasks take "12 minutes to complete the inference," which is fine on email and slower than you'd expect from a text reply.

Sabi is an AI-human hybrid too, but her human layer sits somewhere else. Nobody reviews your meeting invites before they go out. Instead, a human touches every support ticket, and Sabi texts you when someone picks it up and again when it is fixed. Pro members join weekly live calls with founders Stephen Diaz and Bruce van Zyl, and we build connections you need that don't exist yet.

Human layer	Sabi	Howie
Where humans sit	Around you: every support ticket, weekly founder calls, custom builds	Inside the task: reviewers check uncertain scheduling work
Size	Founders plus the Sabi team	65 full-time contractors (Oct 2025, per the CEO)
What it buys you	Help using AI across the whole business	Accuracy on invites that other people see
Trade-off	Replies come from the AI; you set approval rules	Some replies take minutes, not seconds

Howie AI puts 65 human reviewers inside the scheduling workflow; Sabi puts its founders and team beside the customer, on every support ticket, weekly founder calls for Pro members, and custom connections.

Is Howie or Sabi the better AI scheduling assistant for a business owner?

For scheduling alone, Howie is the deeper tool; for everything scheduling touches, Sabi covers more. Howie's own how-it-works doc says it "only works with Google calendars," and its site lists Gmail, Google Calendar, Zoom, Granola, Notion, Todoist, Linear, PostHog, and Stripe.

The meeting is rarely the whole job. After the call you still need the follow-up email, the CRM update, the invoice, and the Monday numbers. That is where a dedicated calendar assistant inside a broader assistant earns its keep.

Scope	Sabi	Howie
Count	200+ live connections	About 9 named tools, "many more"
Calendar	Google Calendar, Outlook, iCloud	Google Calendar only
Email	Gmail, Outlook, iCloud: triage, draft, send	Gmail; replies on threads it is CC'd on
Scheduling on threads	Books and moves meetings you ask for by text	Core strength: CC'd, offers times, follows up
CRM and sales	HubSpot, Salesforce, HighLevel, Jobber	Not listed
Money	Stripe, QuickBooks	Stripe
Custom name and domain	Not offered	White-label assistant at your domain

Howie AI goes deep on Google Calendar scheduling; Sabi reaches across 200+ tools including Outlook, HubSpot, QuickBooks, and Stripe, with scheduling as one job among many.

What do you get besides the software?

With Sabi you get a team and a playbook, starting with the 1st AI Hire Challenge, a 4-day live training included when you try her free. With Howie you get a well-reviewed scheduling product and email support. Both matter, and they matter to different people.

Beyond the app	Sabi	Howie
Who you talk to when stuck	A human touches every ticket, and Sabi texts you at pickup and at fix	[email protected], 8 AM to 10 PM PST
Live consulting	Weekly live calls with founders Stephen Diaz and Bruce van Zyl for Pro members	Not listed
Community	Private network of business owners using AI in your industry	Not listed
Courses and training	AI Certification 1.0 and 2.0 (sold for $1,000+ on their own), industry trainings, and the 1st AI Hire Challenge	Dedicated onboarding on Enterprise
Custom connections	We build them for you	Not listed
Built-in playbooks	From a team with $55M+ in online sales, Inc. 5000 #148	Not listed
Memory in other AI tools	Sabi Brain (MCP) into Claude, ChatGPT, Cursor, rolling out	Not listed
Security badge	SOC 2 Type 2 program underway, no report yet	SOC 2 Type II badge on its site

One example of the custom-build layer: a pool service owner told us he needed Sabi to talk to a specialized software only pool companies use. We built the connection for him. Most tools leave you to figure that out alone.

Scheduling bots and text assistants are getting common. The part that is hard to copy is the layer around Sabi:

AI-human hybrid. The AI does the work and real people stand behind her. A human touches every support ticket, and Sabi texts you when someone picks it up and again when it is fixed.
Unlimited credits. Sabi Pro is one of the only unlimited credit options: put her to work as much as you want, with no usage caps. Howie meters every plan in credits, from 1,250 to 150,000 a month.
Weekly founder calls. Pro members get live calls with Stephen Diaz and Bruce van Zyl, real humans who know you by name.
A private community of business owners and entrepreneurs using AI in your industry.
Step-by-step courses. AI Certification 1.0 and 2.0, which sell for $1,000+ on their own, plus industry trainings your team can join live.

Howie pairs its scheduler with human reviewers, email support, and a SOC 2 Type II program; Sabi pairs the AI with a human on every ticket, unlimited credits, weekly founder calls, a private community, and courses built for business owners.

Who should pick Howie instead of Sabi?

Pick Howie if your bottleneck is booking meetings and you live in Gmail and Google Calendar. Investors, recruiters, and founders mid-raise get a lot from an assistant other people can email directly, with humans checking the hard cases.

Howie also wins if you want a named assistant at your own domain, a shared credit pool for a team, a SOC 2 Type II report for a security review, or a $25 entry price.

Pick Sabi if meetings are only part of the pile. If you also chase leads, answer customers, post content, and check revenue, one assistant who texts you back beats a specialist for each job. It also helps to compare how Sabi stacks up against Fyxer for inbox triage or Sabi vs Poke if you want a text-first assistant for personal life.

How to choose an AI scheduling assistant: step by step

Use the Meeting Share Test: add up last week's admin hours, then work out what share went to booking, moving, and chasing meetings. Over half points to a scheduling specialist like Howie; under half points to a whole-business assistant like Sabi.

Log one normal week of admin. Write down every task and roughly how long it took.
Tag the scheduling tasks. Booking, rescheduling, chasing replies, and blocking focus time all count.
Work out the Meeting Share. Scheduling hours divided by total admin hours.
Check your calendar stack. Howie needs Google Calendar; Outlook or iCloud users should look at Sabi or wait.
Price your volume. Run a week through Howie's $25 in free credits or Sabi's free starter credits, then compare the real bill.
Ask who you'd call when it breaks. A support inbox and a founder who reads your ticket are different kinds of help.

In our experience the owners who pick Sabi rarely have a scheduling problem. They have a follow-up problem, and the meeting is where it starts.

Common mistakes founders make in Sabi vs Howie

Treating "AI scheduling assistant" and "AI executive assistant" as the same job. Howie is built to book meetings; Sabi is built to run the admin around them. Pick by the job, not the label.
Assuming human review means human support. Howie's reviewers check scheduling tasks behind the scenes. That is different from a person you can talk to about your business.
Ignoring the calendar you use. Howie's docs say Google calendars only. If your team is on Outlook, that decides it.
Comparing $25 to $295 without the credits. Howie scales to $2,500 a month at 150,000 credits. Estimate your volume before calling one cheaper.
Expecting Sabi to act as a team scheduler. Sabi is single-user today. If five people need one shared assistant, Howie's unlimited teammates fit better.

FAQ

Q: What is Howie AI? A: Howie AI is an AI calendar secretary from 3030 Labs, Inc. You CC it on email or text it, and it books meetings, protects focus time, follows up, and sends briefings. It works with Gmail and Google Calendar.

Q: How much does Howie AI cost? A: Howie's Team plan starts at $25 per month for 1,250 shared credits and scales to $2,500 per month for 150,000 credits, with a custom-domain assistant email for $20 more. New users get $25 in free credits. Enterprise pricing is custom.

Q: Howie AI review: is it worth it? A: For meeting-heavy Google Workspace users, yes: Howie combines AI with human reviewers and has 1,000+ paying customers per GeekWire. It is a narrower tool than Sabi, so owners whose admin extends past the calendar get less from it.

Q: Does Howie AI work with Outlook? A: Not as of September 2026. Howie's own documentation says it only works with Google calendars. Sabi connects to Outlook, Google Calendar, and iCloud.

Q: What makes Sabi different from Howie AI? A: Both mix AI with people, in different places. Howie's reviewers check scheduling tasks; Sabi is an AI-human hybrid where a human touches every support ticket, and Pro adds unlimited credits, weekly founder calls, a private community, and AI courses.

Q: Can I use Sabi and Howie together? A: You can. Some owners keep Howie on email threads for booking and use Sabi for follow-ups, CRM, and reporting. Most find one assistant simpler, and Sabi already books and moves meetings.

TL;DR

Howie AI is a calendar secretary you CC on email; Sabi is an AI executive assistant you text, working across 200+ tools.
Howie AI pricing runs from $25 to $2,500 a month by credit volume; Sabi is $295 a month with unlimited credits, and a founding member special running now brings that down significantly.
Howie has 65 full-time human reviewers inside its workflow, per its CEO; Sabi's human layer is a human on every support ticket, weekly founder calls and a private community for Pro members, AI courses, and custom connections.
Howie supports Google Calendar only; Sabi covers Google Calendar, Outlook, and iCloud.
Use the Meeting Share Test: if over half your admin is scheduling, pick Howie; if under half, pick Sabi.

Still weighing options? Read our full AI executive assistant comparison, or see how Sabi compares to Carly, another assistant built around email.

The Better Pick for Business Owners: Sabi

Howie is an excellent calendar secretary. Most of an owner's admin is not the calendar. Sabi handles the meetings and everything around them, the email, follow-ups, and reports, across your business tools over text. She is $295 a month flat, and a founding member special running now brings that down significantly.

Unlimited credits: put her to work as much as you want, with no usage caps.
AI-human hybrid: a human touches every support ticket, and Sabi texts you when it is picked up and when it is fixed.
Weekly founder calls with Stephen Diaz and Bruce van Zyl for Pro members.
A private community of business owners using AI in your industry.
Courses: AI Certification 1.0 and 2.0, industry trainings, and the 1st AI Hire Challenge when you try her free.
Connections built for you: 200+ today, and Pro members can request the one that is missing.

More comparisons: Sabi vs Fyxer, Sabi vs Serif, Sabi vs Alfred, Sabi vs Carly, Sabi vs folk CRM

If your Meeting Share came back under half, meet Sabi or text her and hand her real work today. Setup takes about 60 seconds, and the first credits are on us.

Sabi vs Howie AI: Scheduling Secretary or Whole-Business Assistant?