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Productivity · head to head

Kami vs Mimestream

Kami logo

Kami

Productivity

The ultimate document annotation and collaboration tool

From
Free
Rated
-
Full reviewWebsite
Mimestream logo

Mimestream

Productivity

Native Mac email client built specifically for Gmail and Google Workspace accounts, and nothing else

From
$4.99/month
Rated
-
Full reviewWebsite

The short version

  • Only Kami has a free tier, so it costs nothing to try first.
  • Each has a real cost: Kami the free Basic plan exposes only about 10 of the 40 or more tools; Mimestream it only works with Gmail and Google Workspace, so it is entirely useless for anyone with an iCloud, Outlook, Yahoo or other IMAP account.
  • They diverge on capability: Kami covers PDF annotation, Mimestream covers Native Gmail labels.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Kami and Mimestream actually diverge.

Attributes where Kami and Mimestream differ
AttributeKamiMimestream
Starting priceFree$4.99/month
Pricing modelfreemiumPer user per month
Free tierYesNo
PlatformsWeb, Chrome Extension, IOS, AndroidMac
Founded2013Unknown

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

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 Kami

  • PDF annotation
  • Drawing tools
  • Text tools
  • Voice comments
  • Text-to-speech
  • OCR
  • Split/merge PDFs
  • Video embedding

Only in Mimestream

  • Native Gmail labels
  • Gmail filters
  • Fast local search
  • Conversation threading
  • Multiple account support
  • Native macOS integration

What people use each for

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

Kami

  • Free document collaboration for individualsnot Mimestream
  • Professional document management with advanced toolsnot Mimestream
  • Dedicated account management for workplace teamsnot Mimestream
  • K-12 and higher education document workflowsnot Mimestream

Mimestream

  • A Mac user whose email is entirely Gmail or Google Workspace and wants a faster native alternative to the Gmail web appnot Kami
  • Someone who finds Apple Mail handling of Gmail labels and search unreliable or confusingnot Kami
  • A Google Workspace user managing multiple accounts who wants them combined in one native menu bar appnot Kami
  • A user who wants Gmail-specific filters and search operators without opening a browser tabnot Kami

Where each one falls short

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

Kami

  • The free Basic plan exposes only about 10 of the 40 or more tools
  • Google Classroom, Schoology, Canvas and Microsoft Teams integrations require the Teacher plan at $149 per year
  • School and district licensing including domain wide deployment is custom priced and requires a quote
  • Non education users pay separate Workplace plans at $85 or $220 per year rather than the education rate
  • A dedicated account manager is only available on the School or District plan

Mimestream

  • It only works with Gmail and Google Workspace, so it is entirely useless for anyone with an iCloud, Outlook, Yahoo or other IMAP account.
  • It is a subscription with no permanent free tier or lifetime purchase option, so the cost is ongoing for as long as it is used.
  • It is Mac only, so it does nothing for a Windows machine or for mobile email, which still relies on the standard Gmail app or another client.
  • Because it depends entirely on Gmail API access, any change Google makes to that API could affect Mimestream functionality outside the developer control.
  • A user who wants one email client for multiple different providers has to run Mimestream alongside a second app for non-Gmail accounts, rather than consolidating everything in one place.

Pricing, plan by plan

Kami

Free
  • Basic (Free)Free
    • 10+ essential tools
    • Google Drive and OneDrive integration
    • Unlimited collaborators
  • Pro$12/month
    • All 40+ tools and features
    • Unlimited pages and document types
    • Priority support
  • Work$25/month
    • Everything in Pro
    • Free onboarding and training
    • Dedicated Account Manager
  • Teacher Plan$149/year
    • All 40+ tools and features
    • Full LMS integrations (Classroom, Schoology, Canvas, Teams)
    • Free onboarding and training

Mimestream

$4.99/month
  • Mimestream$4.99/month
    • 49.99 USD per year if billed annually
    • Free trial before purchase
    • Covers multiple Gmail or Google Workspace accounts

Which should you pick?

Choose Kami if

  • You need pdf annotation.
  • You want to start without paying.
  • You work on Web, Chrome Extension, IOS, Android.
  • You also want drawing tools.
Kami review

Choose Mimestream if

  • You need native gmail labels.
  • You work on Mac.
  • You also want gmail filters.
Mimestream review

Questions people ask

Is Kami or Mimestream better?
Neither clearly leads. Kami starts at Free and Mimestream at $4.99/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kami or Mimestream?
Kami has a free tier; the other does not. Paid plans start at Free for Kami and $4.99/month for Mimestream.
Does Kami or Mimestream run on more platforms?
Kami runs on Web, Chrome Extension, IOS, Android. Mimestream runs on Mac.
Can I use Kami for free?
Yes. Kami has a free tier, so you can try it without paying. Mimestream starts at $4.99/month.
What is Kami best used for?
Kami is most often used for free document collaboration for individuals, professional document management with advanced tools, dedicated account management for workplace teams, k-12 and higher education document workflows. Of those, free document collaboration for individuals and professional document management with advanced tools are not what Mimestream is typically brought in for.
What can Kami do that Mimestream cannot?
Kami covers PDF annotation, Drawing tools, Text tools, Voice comments. Mimestream covers Native Gmail labels, Gmail filters, Fast local search, Conversation threading.

Answered from the vendors’ own pages

Kami: Does Kami offer a free plan and what does it include?

Yes, Kami's free Basic plan includes 10+ essential tools, unlimited collaborators, Google Drive/OneDrive integration, and 1,000+ templates. Full feature access requires Pro or higher tiers.

Source
Mimestream: Does Mimestream work with Outlook or iCloud Mail?

No. It connects only to Gmail and Google Workspace accounts and cannot be used with any other provider.

Kami: What is the cheapest paid plan for Kami and what does it cost?

Pro plan is $12/month ($85/year when billed annually) and includes all 40+ tools, unlimited pages, and priority support for workplace users.

Source
Mimestream: Is Mimestream free?

No. It is a subscription at 4.99 US dollars a month or 49.99 dollars a year, with a free trial but no permanent free tier.

Kami: Are there Kami plans designed specifically for educators?

Yes, the Teacher plan costs $149/year and includes all 40+ tools, full LMS integrations (Google Classroom, Schoology, Canvas, Teams), free onboarding, and priority support with a 30-day free trial.

Source
Mimestream: Is it available on iPhone or iPad?

No. Mimestream is a Mac-only native app with no iOS version.

Kami: How much do Kami School or District plans cost?

School and District plans do not publish pricing and require contacting Kami for custom quotes. These plans include domain-wide deployment, dedicated account managers, and full LMS integrations.

Source
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