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Gamma vs Riff

Features, pricing, ratings, and pros and cons, side by side.

Verdict

Gamma and Riff are both Productivity tools. Gamma scores higher in FinderAtlas's editorial review (8.4 vs 7.8 out of 10), led by ease of use. Both have a free plan or trial. Only Gamma is available on Web and offers an API. Only Riff is available on Chrome Extension.

Best overall

Gamma

  • Startup founders
  • Marketers
  • Sales teams
  • Educators and trainers

Choose Gamma if

  • You want a tool built for pitch decks.
  • Generates a full deck, document or webpage from a single prompt.
  • Card layout adapts to desktop and mobile screens without manual slide alignment.

Choose Riff if

  • You want a tool built for writing quick replies and comments on social posts.
  • Free, with no account, subscription or API key.
  • Generation runs on-device with Gemini Nano, so text is not sent to a server.
Best for beginners
Gamma
Best for business
Gamma

Features

16 features compared.

  • Prompt-to-deck generation
    Gamma
    Available
    Riff
    Not available
  • Card-based layout
    Gamma
    Available
    Riff
    Not available
  • AI editing and restyling
    Gamma
    Available
    Riff
    Not available
  • AI images
    Gamma
    Available
    Riff
    Not available
  • Export and sharing
    Gamma
    Available
    Riff
    Not available
  • Website publishing
    Gamma
    Available
    Riff
    Not available
  • Analytics and access control
    Gamma
    Available
    Riff
    Not available
  • API and connectors
    Gamma
    Available
    Riff
    Not available
  • On-device AI
    Gamma
    Not available
    Riff
    Available
  • Replies and comments
    Gamma
    Not available
    Riff
    Available
  • DM replies and first messages
    Gamma
    Not available
    Riff
    Available
  • Riff a post
    Gamma
    Not available
    Riff
    Available
  • Dials
    Gamma
    Not available
    Riff
    Available
  • Repurposing
    Gamma
    Not available
    Riff
    Available
  • Voices and presets
    Gamma
    Not available
    Riff
    Available
  • Never sends for you
    Gamma
    Not available
    Riff
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Gamma
    Freemium
    Riff
    Free
  • Free plan
    Gamma
    Yes
    Riff
    Yes
  • Starting price
    Gamma
    $0
    Riff
    $0
  • Plans
    Gamma
    6 plans
    Riff
    1 plan

Gamma plans

  • Free

    $0

    400 one-time AI credits that do not refresh

    • 400 AI credits
    • 10 cards per prompt
    • Basic image models
    • Made with Gamma badge

  • Plus

    $12/month

    Removes the Gamma badge and adds 1,000 monthly credits

    • 1,000 credits per month
    • 100 cards per prompt
    • Advanced image models
    • No Gamma badge

  • Pro

    Most popular

    $25/month

    4,000 monthly credits plus API access and custom domains

    • 4,000 credits per month
    • API access
    • Premium image models
    • 10 custom domains
    • Detailed analytics
    • Password protection

  • Ultra

    $100/month

    20,000 monthly credits and access to the most advanced models

    • 20,000 credits per month
    • API access
    • Ultra image models
    • 100 custom domains
    • Custom fonts

  • Business

    $40/user/mo

    Billed annually ($480 per seat per year)

    • SSO
    • SOC 2 documentation
    • 10,000 credits per seat
    • Shared workspace credits

  • Enterprise

    Custom/annual

    Annual agreement for larger organizations; contact sales

    • Custom credits
    • Advanced admin controls
    • SCIM
    • Invoiced billing
    • Dedicated onboarding

Riff plans

  • Free

    $0

    Free to use with no account, subscription or payment

    • Replies and comments
    • DM replies
    • Post and thread drafting
    • On-device Gemini Nano
    • No API key

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed October 2026.

Gamma
8.4overall
Riff
7.8overall

Gamma leads in 1 category and Riff in 0.

  • Presentation Generation Speed

    Gamma
    8.8
    Riff
    Not rated

  • Layout & Aesthetic Polish

    Gamma
    8.5
    Riff
    Not rated

  • Export Versatility (PPTX/PDF)

    Gamma
    7.8
    Riff
    Not rated

  • Mobile Responsiveness

    Gamma
    8.0
    Riff
    Not rated

  • Ease of Use

    Gamma leads by 1.0
    Gamma
    9.0
    Riff
    8.0

  • Feature Depth

    Gamma
    Not rated
    Riff
    7.5

  • Output Quality

    Gamma
    Not rated
    Riff
    6.8

  • Privacy

    Gamma
    Not rated
    Riff
    9.0

  • Documentation & Support

    Gamma
    Not rated
    Riff
    7.5

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Gamma

Pros

  • Generates a full deck, document or webpage from a single prompt
  • Card layout adapts to desktop and mobile screens without manual slide alignment
  • Exports to PowerPoint and PDF and shares by web link
  • Free plan available, and Plus at $10 per month removes the Gamma badge
  • API and ChatGPT, Claude and Slack connectors for automation

Cons

  • Free credits are one-time (400) and the free plan is limited to 10 cards per prompt
  • Free exports carry a "Made with Gamma" badge
  • API access requires Pro ($20 per month) or higher
  • Ultra costs $100 per month and is monthly only, with no annual option
  • Users on review sites report problems with billing, credit use and slow support

Riff

Pros

  • Free, with no account, subscription or API key
  • Generation runs on-device with Gemini Nano, so text is not sent to a server
  • Covers replies, DMs, posts and X threads in one side panel
  • Never presses send, which keeps the user in control
  • Dials for tone, pitch and length, plus a Fresh score to avoid repetitive openings

Cons

  • Requires desktop Chrome 138 or newer and a one-time Gemini Nano download
  • Output quality is limited by the small on-device model
  • Chrome only; no Firefox, Safari or mobile support
  • Very new, with few reviews on the Chrome Web Store

Platforms

  • Web
    Gamma
    Supported
    Riff
    Not supported
  • Windows
    Gamma
    Not supported
    Riff
    Not supported
  • macOS
    Gamma
    Not supported
    Riff
    Not supported
  • iOS
    Gamma
    Not supported
    Riff
    Not supported
  • Android
    Gamma
    Not supported
    Riff
    Not supported
  • API
    Gamma
    Supported
    Riff
    Not supported
  • Browser Extension
    Gamma
    Not supported
    Riff
    Not supported
  • Chrome Extension
    Gamma
    Not supported
    Riff
    Supported

Integrations

Gamma

6 integrations
  • ChatGPT
  • Claude
  • Slack
  • MCP server
  • PowerPoint export
  • PDF export

Riff

No integrations listed.

Company

  • Company
    Gamma
    Gamma
    Riff
    Zima Media OÜ
  • Founded
    Gamma
    2020
    Riff
    Not listed
  • Headquarters
    Gamma
    San Francisco, CA
    Riff
    Tallinn, Estonia
  • Monthly users
    Gamma
    70M+ users
    Riff
    Not listed
  • Listing
    Gamma
    Claimed
    Riff
    Claimed

Frequently asked questions

Is Gamma better than Riff?

It depends on your workflow. Gamma is built for pitch decks. Riff is built for writing quick replies and comments on social posts.

What are the key feature differences between Gamma and Riff?

Gamma: Generate presentations, documents and websites from a prompt with an AI design partner. Riff: Draft fresh replies, DMs and posts for X, LinkedIn, Facebook and Instagram on-device.

Does Gamma or Riff have a free plan?

Yes, both do. Gamma is freemium and Riff is free, and each has a free plan or trial.

Which is cheaper, Gamma or Riff?

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.