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Productivity · head to head

Gamma vs Mimestream

Gamma logo

Gamma

Productivity

AI-powered presentation and document creation software

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 Gamma has a free tier, so it costs nothing to try first.
  • Each has a real cost: Gamma free plan limited to 400 non-renewable credits, requiring paid plan quickly; 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: Gamma covers AI Slide Generation, Mimestream covers Native Gmail labels.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Gamma and Mimestream actually diverge.

Attributes where Gamma and Mimestream differ
AttributeGammaMimestream
Starting priceFree$4.99/month
Pricing modelUnknownPer user per month
Free tierYesNo
PlatformsWeb, iOS, AndroidMac

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 Gamma

  • AI Slide Generation
  • Advanced Image Models
  • Custom Branding
  • API Access
  • Custom Domains
  • Analytics
  • Studio Mode
  • AI Credits

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.

Gamma

  • Rapid pitch deck creation for investor meetings and salesnot Mimestream
  • Generating report decks from company data and metricsnot Mimestream
  • Creating training and onboarding presentations automaticallynot Mimestream
  • Building product demos and case study presentationsnot Mimestream
  • Team collaboration on branded presentations with shared assetsnot Mimestream

Mimestream

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

Where each one falls short

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

Gamma

  • Free plan limited to 400 non-renewable credits, requiring paid plan quickly
  • Credit rollover capped at 2x monthly allocation, forcing month-to-month spending
  • Refund window limited to 3 days with usage thresholds restricting claims
  • Per-seat pricing on team plans increases costs for large organizations
  • Studio Mode limited to Ultra plan, restricting advanced editing to highest tier

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

Gamma

Free
  • FreeFree
    • 400 AI credits (one-time, non-renewable)
    • Up to 10 cards per prompt
    • Basic AI
  • Plus$12/month
    • 1,000 AI credits per month
    • Up to 20 cards per prompt
    • Badge removal on exports
  • Pro$25/month
    • 4,000 AI credits per month
    • Up to 50 cards per prompt
    • Premium AI models
  • Ultra$100/month
    • 20,000 AI credits per month
    • Up to 75 cards per prompt
    • Most advanced AI models

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 Gamma if

  • You need ai slide generation.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want advanced image models.
Gamma review

Choose Mimestream if

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

Questions people ask

Is Gamma or Mimestream better?
Neither clearly leads. Gamma 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, Gamma or Mimestream?
Gamma has a free tier; the other does not. Paid plans start at Free for Gamma and $4.99/month for Mimestream.
Does Gamma or Mimestream run on more platforms?
Gamma runs on Web, iOS, Android. Mimestream runs on Mac.
Can I use Gamma for free?
Yes. Gamma has a free tier, so you can try it without paying. Mimestream starts at $4.99/month.
What is Gamma best used for?
Gamma is most often used for rapid pitch deck creation for investor meetings and sales, generating report decks from company data and metrics, creating training and onboarding presentations automatically, building product demos and case study presentations. Of those, rapid pitch deck creation for investor meetings and sales and generating report decks from company data and metrics are not what Mimestream is typically brought in for.
What can Gamma do that Mimestream cannot?
Gamma covers AI Slide Generation, Advanced Image Models, Custom Branding, API Access. Mimestream covers Native Gmail labels, Gmail filters, Fast local search, Conversation threading.

Answered from the vendors’ own pages

Gamma: How do Gamma AI credits work?

Each plan includes a monthly AI credit allowance. Free users receive 400 one-time credits. Plus plan includes 1,000 monthly credits, Pro includes 4,000 monthly credits, and Ultra includes 20,000 monthly credits. Unused credits roll over up to 2x the monthly allowance.

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.

Gamma: What is included in the Free plan?

The Free plan includes 400 AI credits (one-time), up to 10 cards per prompt, basic AI, Gamma branding on output, and 7-day change history.

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.

Gamma: What payment and refund options does Gamma offer?

Gamma offers a 3-day refund window for monthly plans if you have used less than 10-20 percent of your monthly credits depending on the plan.

Source
Mimestream: Is it available on iPhone or iPad?

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

Gamma: How much do Team and Business plans cost?

Team plans cost $20 per seat per month with a minimum of 2 seats, including 6,000 AI credits per seat. Business plans cost $40 per seat per month with a minimum of 10 seats, including 10,000 AI credits per seat.

Source
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