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Calendars · head to head

Assistant.to vs Superhuman

Assistant.to logo

Assistant.to

Calendars

The easiest way to schedule meetings

From
Free
Rated
-
Full reviewWebsite
Superhuman logo

Superhuman

Technology

The fastest email experience ever made

From
$30/month
Rated
-
Full reviewWebsite

The short version

  • Only Assistant.to has a free tier, so it costs nothing to try first.
  • Each has a real cost: Assistant.to no publicly published pricing rates on website; Superhuman high pricing compared to free alternatives like Gmail
  • They diverge on capability: Assistant.to covers In-email scheduling, Superhuman covers Blazing fast performance.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Assistant.to and Superhuman actually diverge.

Attributes where Assistant.to and Superhuman differ
AttributeAssistant.toSuperhuman
Starting priceFree$30/month
Pricing modelfreemiumUnknown
Free tierYesNo
PlatformsChrome-extensionWeb, iOS
CategoryCalendarsTechnology
Founded20142015

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Assistant.to

  • In-email scheduling
  • One-click booking
  • Google Calendar sync
  • Time zone handling
  • Simple interface
  • Chrome-extension support

Only in Superhuman

  • Blazing fast performance
  • Keyboard-first design
  • AI-powered triage
  • Split inbox
  • Read statuses
  • Remind me later
  • Social insights
  • Calendar integration

Both cover

  • Gmail
  • Google Calendar

What people use each for

The jobs each tool is most often brought in to do.

Assistant.to

  • Schedulingnot Superhuman
  • Appointment bookingnot Superhuman
  • Time trackingnot Superhuman
  • Resource managementnot Superhuman
  • Team coordinationnot Superhuman

Superhuman

  • Email managementnot Assistant.to
  • Inbox zeronot Assistant.to
  • Team collaborationnot Assistant.to
  • Sales outreachnot Assistant.to
  • Executive communicationnot Assistant.to

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Assistant.to

  • No publicly published pricing rates on website
  • Requires scheduling demo or contacting sales to obtain pricing information
  • Free trial available but no specific trial duration mentioned

Superhuman

  • High pricing compared to free alternatives like Gmail
  • Lacks unified inbox for managing multiple email accounts in a single view
  • Limited calendar functionality compared to dedicated scheduling tools
  • No native task management features

Pricing, plan by plan

Assistant.to

Free
  • FreeFree
    • In-email scheduling
    • Basic features
  • Pro$5/month
    • Team features
    • Custom branding
    • Priority support

Superhuman

$30/month
  • Starter$30/month
    • Email productivity
    • Superhuman AI
    • Team collaboration
  • Business$40/month
    • Auto Drafts
    • Ask AI
    • CRM integrations

Which should you pick?

Choose Assistant.to if

  • You need in-email scheduling.
  • You want to start without paying.
  • You work on Chrome-extension.
  • You also want one-click booking.
Assistant.to review

Choose Superhuman if

  • You need blazing fast performance.
  • You work on Web, iOS.
  • You also want keyboard-first design.
Superhuman review

Questions people ask

Is Assistant.to or Superhuman better?
Neither clearly leads. Assistant.to starts at Free and Superhuman at $30/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Assistant.to or Superhuman?
Assistant.to has a free tier; the other does not. Paid plans start at Free for Assistant.to and $30/month for Superhuman.
Does Assistant.to or Superhuman run on more platforms?
Assistant.to runs on Chrome-extension. Superhuman runs on Web, iOS.
Can I use Assistant.to for free?
Yes. Assistant.to has a free tier, so you can try it without paying. Superhuman starts at $30/month.
What is Assistant.to best used for?
Assistant.to is most often used for scheduling, appointment booking, time tracking, resource management. Of those, scheduling and appointment booking are not what Superhuman is typically brought in for.
What can Assistant.to do that Superhuman cannot?
Assistant.to covers In-email scheduling, One-click booking, Google Calendar sync, Time zone handling. Superhuman covers Blazing fast performance, Keyboard-first design, AI-powered triage, Split inbox. Both handle Gmail, Google Calendar.

Answered from the vendors’ own pages

Assistant.to: How much does Cirrus Insight (Assistant-to) cost?

Cirrus Insight does not publish specific pricing on its website. Pricing is customized based on your organization's needs. The platform offers a free trial and allows you to build a custom quote in the self-service hub or schedule a demo with the sales team.

Source
Superhuman: How much does Superhuman cost?

Superhuman offers three plans: Starter at $30/user/month, Business at $40/user/month, and Enterprise with custom pricing. Annual billing provides approximately 16.7% savings, bringing the Starter plan to $25/month.

Source
Assistant.to: How does Cirrus Insight pricing work with seat selection?

Cirrus Insight allows you to have full control over seat selection, meaning you can purchase different quantities of users for different features. For example, you could license 10 users for Email Sync and 5 users for Calendar Scheduling in the same account.

Source
Superhuman: What email platforms does Superhuman work with?

Superhuman is compatible with Gmail and Outlook, and integrates with Google Calendar and Akiflow for calendar and task planning workflows.

Source
Superhuman: Does the Business plan include CRM integrations?

Yes, the Business plan at $40/month unlocks CRM integrations with HubSpot and Salesforce, along with advanced AI features like Auto Drafts and Ask AI.

Source
Superhuman: What happened to Superhuman after the Grammarly acquisition?

Superhuman was acquired by Grammarly on July 1, 2025. The company now operates under the Superhuman name while integrating with Grammarly's AI platform.

Source
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