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Software · head to head

Assistant.to vs Zeplin

Assistant.to logo

Assistant.to

Software

The easiest way to schedule meetings

From
Free
Rated
-
Full reviewWebsite
Zeplin logo

Zeplin

Software

Design handoff and developer collaboration

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Assistant.to no longer an independent product. assistant.to redirects to Cirrus Insight, which absorbed it; Zeplin the free plan is limited to 1 project and 100 screens and works only in a personal workspace
  • They diverge on capability: Assistant.to covers In-email scheduling, Zeplin covers Design specs.

Where they differ

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

Attributes where Assistant.to and Zeplin differ
AttributeAssistant.toZeplin
Pricing modelfreemiumsubscription
PlatformsChrome-extensionWeb, Desktop, Mobile

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown), founded (2014).

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
  • Gmail
  • Google Calendar
  • Chrome-extension support

Only in Zeplin

  • Design specs
  • Asset export
  • Code snippets
  • Design tokens
  • Comments
  • Version control
  • Handoff workflow
  • Accessibility checks

What people use each for

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

Assistant.to

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

Zeplin

  • Handing off design specs from Figma or Sketch to developersnot Assistant.to
  • Sharing screens, assets and style guides with an engineering teamnot Assistant.to
  • Reviewing and commenting on design versionsnot 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 longer an independent product. assistant.to redirects to Cirrus Insight, which absorbed it
  • Its scheduling now sits inside a wider Salesforce-focused sales tool rather than being a standalone add-in

Zeplin

  • The free plan is limited to 1 project and 100 screens and works only in a personal workspace
  • Free plan AI reviews are capped at 3 per week
  • Role based permissions require the Advanced plan or higher
  • Single sign on, multi factor authentication, activity logs and invoiced billing are Enterprise only
  • Priority 24 hour support is Enterprise only
  • Basic plan caps screens at 1,000 per project and is priced per project rather than per seat
  • Enterprise pricing is by quote with no published rate

Pricing, plan by plan

Assistant.to

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

Zeplin

Free
  • FreeFree
    • 1 project
    • 1 workspace
    • Basic specs
  • Starter$19/month
    • Unlimited projects
    • Multiple workspaces
    • Advanced specs
  • Professional$49/month
    • Everything in Starter
    • Team collaboration
    • Admin controls

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 Zeplin if

  • You need design specs.
  • You want to start without paying.
  • You work on Web, Desktop, Mobile.
  • You also want asset export.
Zeplin review

Questions people ask

Is Assistant.to or Zeplin better?
Neither clearly leads. Assistant.to starts at Free and Zeplin at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Assistant.to or Zeplin?
Assistant.to starts at Free and Zeplin at Free.
Does Assistant.to or Zeplin run on more platforms?
Assistant.to runs on Chrome-extension. Zeplin runs on Web, Desktop, Mobile.
Can I use Assistant.to for free?
Both have a free tier, so you can try either at no cost before committing.
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 Zeplin is typically brought in for.
What can Assistant.to do that Zeplin cannot?
Assistant.to covers In-email scheduling, One-click booking, Google Calendar sync, Time zone handling. Zeplin covers Design specs, Asset export, Code snippets, Design tokens.
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