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CalendarTask vs Otter.ai

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

Verdict

CalendarTask is listed under Productivity and Otter.ai under Audio & Speech AI. Otter.ai 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 Otter.ai is available on iOS, Android and Chrome Extension and offers an API.

Best overall

Otter.ai

  • Sales teams
  • Students and educators
  • Journalists and media teams
  • Recruiters

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 Otter.ai if

  • You want a tool built for meeting transcription and summaries.
  • Permanent free plan with 300 monthly transcription minutes.
  • Works through a notetaker bot or bot-free via desktop apps and Chrome extension.
Best for beginners
Otter.ai
Best for business
Otter.ai

Features

19 features compared.

  • Transparent desktop calendar
    CalendarTask
    Available
    Otter.ai
    Not available
  • Tasks and schedules
    CalendarTask
    Available
    Otter.ai
    Not available
  • Repeat reminders
    CalendarTask
    Available
    Otter.ai
    Not available
  • Countdown cards
    CalendarTask
    Available
    Otter.ai
    Not available
  • Lunar calendar and holidays
    CalendarTask
    Available
    Otter.ai
    Not available
  • Floating months and rest days
    CalendarTask
    Available
    Otter.ai
    Not available
  • Multi-device sync (membership)
    CalendarTask
    Available
    Otter.ai
    Not available
  • Sub-accounts (membership)
    CalendarTask
    Available
    Otter.ai
    Not available
  • Desktop widgets
    CalendarTask
    Available
    Otter.ai
    Not available
  • No ads
    CalendarTask
    Available
    Otter.ai
    Not available
  • Live transcription
    CalendarTask
    Not available
    Otter.ai
    Available
  • Notetaker bot
    CalendarTask
    Not available
    Otter.ai
    Available
  • Bot-free recording
    CalendarTask
    Not available
    Otter.ai
    Available
  • AI summaries and action items
    CalendarTask
    Not available
    Otter.ai
    Available
  • Otter AI Chat
    CalendarTask
    Not available
    Otter.ai
    Available
  • Channels
    CalendarTask
    Not available
    Otter.ai
    Available
  • File import
    CalendarTask
    Not available
    Otter.ai
    Available
  • CRM sync
    CalendarTask
    Not available
    Otter.ai
    Available
  • Otter MCP server
    CalendarTask
    Not available
    Otter.ai
    Available

Pricing

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

  • Pricing model
    CalendarTask
    Freemium
    Otter.ai
    Freemium
  • Free plan
    CalendarTask
    Yes
    Otter.ai
    Yes
  • Starting price
    CalendarTask
    $0
    Otter.ai
    $0
  • Plans
    CalendarTask
    2 plans
    Otter.ai
    4 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

Otter.ai plans

  • Basic

    $0

    For those who want to give it a try

    • 300 monthly transcription minutes
    • 30 minutes per conversation
    • 3 lifetime file imports
    • Live transcription
    • AI Chat
    • iOS and Android apps

  • Pro

    Most popular

    $16.99/user/mo

    For individuals and small teams

    • 1,200 monthly transcription minutes
    • 90 minutes per meeting
    • 10 monthly file imports
    • Advanced search and export
    • Custom vocabulary
    • Salesforce and HubSpot and Zapier integrations

  • Business

    $30/user/mo

    For medium-sized teams

    • Unlimited meetings and recordings
    • 4 hours per meeting
    • Unlimited file imports
    • 3 concurrent meetings
    • Custom AI workflows
    • Admin activity logs and usage analytics
    • Prioritized support

  • Enterprise

    Custom/custom

    For large teams and companies

    • Everything in Business
    • SSO and SCIM and Domain Capture
    • Otter API and Webhooks
    • Custom CRM and dialer integrations
    • HIPAA compliance add-on
    • Customer Success Program

Our ratings

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

CalendarTask
7.4overall
Otter.ai
8.4overall

CalendarTask leads in 0 categories and Otter.ai in 1.

  • Calendar & Task Features

    CalendarTask
    7.5
    Otter.ai
    Not rated

  • Desktop Integration

    CalendarTask
    8.0
    Otter.ai
    Not rated

  • Cross-platform Support

    CalendarTask
    8.0
    Otter.ai
    Not rated

  • Ease of Use

    Otter.ai leads by 1.5
    CalendarTask
    7.5
    Otter.ai
    9.0

  • Pricing Clarity

    CalendarTask
    6.0
    Otter.ai
    Not rated

  • Transcription Accuracy

    CalendarTask
    Not rated
    Otter.ai
    8.4

  • Meeting Summaries & Action Items

    CalendarTask
    Not rated
    Otter.ai
    8.5

  • Integrations

    CalendarTask
    Not rated
    Otter.ai
    8.3

  • Value for Money

    CalendarTask
    Not rated
    Otter.ai
    7.8

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

Otter.ai

Pros

  • Permanent free plan with 300 monthly transcription minutes
  • Works through a notetaker bot or bot-free via desktop apps and Chrome extension
  • Summaries, action items and AI Chat across past meetings
  • Apps for web, iOS, Android, Mac and Windows, rated 4.8 on the App Store from 86K ratings
  • Integrations with Zoom, Teams, Google Meet, Slack and CRMs such as Salesforce and HubSpot

Cons

  • Free plan caps conversations at 30 minutes and file imports at 3 lifetime
  • Pro caps monthly transcription at 1,200 minutes and meetings at 90 minutes
  • Business costs $30 per user per month on monthly billing
  • API access, SSO and HIPAA add-on require the Enterprise plan
  • Transcription is limited to six listed languages

Platforms

  • Web
    CalendarTask
    Supported
    Otter.ai
    Supported
  • Windows
    CalendarTask
    Supported
    Otter.ai
    Supported
  • macOS
    CalendarTask
    Supported
    Otter.ai
    Supported
  • iOS
    CalendarTask
    Not supported
    Otter.ai
    Supported
  • Android
    CalendarTask
    Not supported
    Otter.ai
    Supported
  • API
    CalendarTask
    Not supported
    Otter.ai
    Supported
  • Browser Extension
    CalendarTask
    Not supported
    Otter.ai
    Not supported
  • Chrome Extension
    CalendarTask
    Not supported
    Otter.ai
    Supported

Integrations

CalendarTask

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

Otter.ai

13 integrations
  • Zoom
  • Microsoft Teams
  • Google Meet
  • Google Calendar
  • Slack
  • Salesforce
  • HubSpot
  • Zapier
  • Dropbox
  • Google Drive
  • Asana
  • ClickUp
  • Claude

Company

  • Company
    CalendarTask
    Beijing Xiaowei Cloud Service Technology Co., Ltd.
    Otter.ai
    Otter.ai, Inc.
  • Founded
    CalendarTask
    Not listed
    Otter.ai
    2016
  • Headquarters
    CalendarTask
    Beijing, China
    Otter.ai
    Mountain View, CA
  • Listing
    CalendarTask
    Claimed
    Otter.ai
    Claimed

Frequently asked questions

Is CalendarTask better than Otter.ai?

It depends on your workflow. CalendarTask is built for keeping a calendar and to-do list visible on the desktop. Otter.ai is built for meeting transcription and summaries.

What are the key feature differences between CalendarTask and Otter.ai?

CalendarTask: Transparent desktop calendar with tasks, sync, WeChat reminders. Otter.ai: Record, transcribe and summarize meetings, with action items and searchable AI chat.

Does CalendarTask or Otter.ai have a free plan?

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

Which is cheaper, CalendarTask or Otter.ai?

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