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CalendarTask vs Gamma

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

Verdict

CalendarTask and Gamma are both Productivity tools. Gamma scores higher in FinderAtlas's editorial review (8.4 vs 7.4 out of 10), led by ease of use. Both have a free plan or trial. Only CalendarTask is available on Windows and macOS. Only Gamma offers an API.

Best overall

Gamma

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

Choose CalendarTask if

  • You want a tool built for keeping a calendar and to-do list visible on the desktop.
  • Transparent desktop overlay that keeps desktop icons usable.
  • Free core features with no ads.

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.
Best for beginners
Gamma
Best for business
Gamma

Features

18 features compared.

  • Transparent desktop calendar
    CalendarTask
    Available
    Gamma
    Not available
  • Tasks and schedules
    CalendarTask
    Available
    Gamma
    Not available
  • Repeat reminders
    CalendarTask
    Available
    Gamma
    Not available
  • Countdown cards
    CalendarTask
    Available
    Gamma
    Not available
  • Lunar calendar and holidays
    CalendarTask
    Available
    Gamma
    Not available
  • Floating months and rest days
    CalendarTask
    Available
    Gamma
    Not available
  • Multi-device sync (membership)
    CalendarTask
    Available
    Gamma
    Not available
  • Sub-accounts (membership)
    CalendarTask
    Available
    Gamma
    Not available
  • Desktop widgets
    CalendarTask
    Available
    Gamma
    Not available
  • No ads
    CalendarTask
    Available
    Gamma
    Not available
  • Prompt-to-deck generation
    CalendarTask
    Not available
    Gamma
    Available
  • Card-based layout
    CalendarTask
    Not available
    Gamma
    Available
  • AI editing and restyling
    CalendarTask
    Not available
    Gamma
    Available
  • AI images
    CalendarTask
    Not available
    Gamma
    Available
  • Export and sharing
    CalendarTask
    Not available
    Gamma
    Available
  • Website publishing
    CalendarTask
    Not available
    Gamma
    Available
  • Analytics and access control
    CalendarTask
    Not available
    Gamma
    Available
  • API and connectors
    CalendarTask
    Not available
    Gamma
    Available

Pricing

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

  • Pricing model
    CalendarTask
    Freemium
    Gamma
    Freemium
  • Free plan
    CalendarTask
    Yes
    Gamma
    Yes
  • Starting price
    CalendarTask
    $0
    Gamma
    $0
  • Plans
    CalendarTask
    2 plans
    Gamma
    6 plans

CalendarTask plans

  • Free

    $0

    Core calendar and task features without ads.

    • Task and schedule recording
    • Transparent desktop view
    • Repeat reminders
    • Countdown cards
    • Lunar calendar and holidays

  • Membership

    $3.99/3 months

    Paid tier on the iOS and Mac App Store, billed per period.

    • Real-time multi-device sync
    • Automatic history backup
    • Sub-accounts
    • Auto-extension of unfinished tasks
    • Device management

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

Our ratings

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

CalendarTask
7.4overall
Gamma
8.4overall

CalendarTask leads in 0 categories and Gamma in 1.

  • Calendar & Task Features

    CalendarTask
    7.5
    Gamma
    Not rated

  • Desktop Integration

    CalendarTask
    8.0
    Gamma
    Not rated

  • Cross-platform Support

    CalendarTask
    8.0
    Gamma
    Not rated

  • Ease of Use

    Gamma leads by 1.5
    CalendarTask
    7.5
    Gamma
    9.0

  • Pricing Clarity

    CalendarTask
    6.0
    Gamma
    Not rated

  • Presentation Generation Speed

    CalendarTask
    Not rated
    Gamma
    8.8

  • Layout & Aesthetic Polish

    CalendarTask
    Not rated
    Gamma
    8.5

  • Export Versatility (PPTX/PDF)

    CalendarTask
    Not rated
    Gamma
    7.8

  • Mobile Responsiveness

    CalendarTask
    Not rated
    Gamma
    8.0

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

CalendarTask

Pros

  • Transparent desktop overlay that keeps desktop icons usable
  • Free core features with no ads
  • Available on Windows, macOS, Linux, iOS and Android
  • Rated 4.8 out of 5 from 280 ratings on the US App Store
  • Lunar calendar, solar terms and countdown cards

Cons

  • Real-time sync and backup are behind a paid membership
  • Little English documentation; several site pages are in Chinese
  • No public API or listed third-party calendar integrations
  • Website lists a "Backlinks" page for software submission, which looks SEO-oriented

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

Platforms

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

Integrations

CalendarTask

1 integration
  • - **API Availability**: No public API found

Gamma

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

Company

  • Company
    CalendarTask
    Beijing Xiaowei Cloud Service Technology Co., Ltd.
    Gamma
    Gamma
  • Founded
    CalendarTask
    Not listed
    Gamma
    2020
  • Headquarters
    CalendarTask
    Beijing, China
    Gamma
    San Francisco, CA
  • Monthly users
    CalendarTask
    Not listed
    Gamma
    70M+ users
  • Listing
    CalendarTask
    Claimed
    Gamma
    Claimed

Frequently asked questions

Is CalendarTask better than Gamma?

It depends on your workflow. CalendarTask is built for keeping a calendar and to-do list visible on the desktop. Gamma is built for pitch decks.

What are the key feature differences between CalendarTask and Gamma?

CalendarTask: Transparent desktop calendar with tasks, sync, WeChat reminders. Gamma: Generate presentations, documents and websites from a prompt with an AI design partner.

Does CalendarTask or Gamma have a free plan?

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

Which is cheaper, CalendarTask or Gamma?

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