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Captions vs Synthesia

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

Verdict

Captions and Synthesia are both Video AI tools. Synthesia scores higher in FinderAtlas's editorial review (8.6 vs 7.6 out of 10), led by ease of use and value for money. Both have a free plan or trial. Only Captions is available on iOS.

Best overall

Synthesia

  • Learning and development teams
  • HR teams
  • Sales enablement teams
  • Marketing teams

Choose Captions if

  • You want a tool built for fast short-form video editing, auto-captioning, and AI avatar or digital twin videos for ads and social posts.
  • Chat-based editing lets users change a video with text prompts, with hand controls still available.
  • Captions and subtitles in 100+ languages with 100+ caption styles.

Choose Synthesia if

  • You want a tool built for corporate training videos.
  • Free Basic plan with 10 minutes of video or dubbing per month.
  • 140+ languages for voiceovers and translation.
Best for beginners
Captions
Best for business
Captions

Features

17 features compared.

  • AI Edit
    Captions
    Available
    Synthesia
    Not available
  • Chat-Based Editor
    Captions
    Available
    Synthesia
    Not available
  • Automatic Captions
    Captions
    Available
    Synthesia
    Not available
  • AI Avatars & Digital Twins
    Captions
    Available
    Synthesia
    Not available
  • Text-to-Video Generation
    Captions
    Available
    Synthesia
    Not available
  • Cleanup Tools
    Captions
    Available
    Synthesia
    Not available
  • Long Video to Clips
    Captions
    Available
    Synthesia
    Not available
  • Music & Sound Effects
    Captions
    Available
    Synthesia
    Not available
  • AI avatars
    Captions
    Not available
    Synthesia
    Available
  • Text, document and PowerPoint to video
    Captions
    Not available
    Synthesia
    Available
  • 140+ languages
    Captions
    Not available
    Synthesia
    Available
  • Video dubbing and translation
    Captions
    Not available
    Synthesia
    Available
  • Interactive videos
    Captions
    Not available
    Synthesia
    Available
  • Sessions
    Captions
    Not available
    Synthesia
    Available
  • Brand controls and collaboration
    Captions
    Not available
    Synthesia
    Available
  • SCORM export and SSO
    Captions
    Not available
    Synthesia
    Available
  • API and MCP
    Captions
    Not available
    Synthesia
    Available

Pricing

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

  • Pricing model
    Captions
    Freemium
    Synthesia
    Freemium
  • Free plan
    Captions
    Yes
    Synthesia
    Yes
  • Starting price
    Captions
    $0
    Synthesia
    $0
  • Plans
    Captions
    6 plans
    Synthesia
    4 plans

Captions plans

  • Free

    $0

    Limited feature set, no AI credits

    • Core editing and captions
    • no AI usage credits

  • Max

    Most popular

    $24.99/month

    Individual creators wanting AI video generation

    • 500 credits/month
    • AI Edit styles
    • AI-produced full videos
    • digital twins
    • chat-based editor
    • long-video-to-clips

  • Frontier

    $69.99/month

    Heavier usage and the most advanced generative models

    • 1,400 credits/month
    • everything in Max
    • access to the most advanced generative models

  • Frontier 2x

    $139.99/month

    Double the Frontier usage tier

    • 2,800 credits/month
    • same features as Frontier

  • Frontier 4x

    $279.99/month

    Highest self-serve usage tier

    • 5,600 credits/month
    • same features as Frontier

  • Enterprise

    Custom/contact sales

    Teams needing volume and support

    • Bulk credit discounts
    • custom seats
    • dedicated account management
    • training data exclusion
    • onboarding

Synthesia plans

  • Basic

    $0

    Free allowance of 10 minutes of video creation or dubbing, 3 survey responses and 500 credits per month

    • 10 minutes of video or dubbing
    • 500 credits
    • Pre-built templates
    • Share by link
    • Synthesia watermark

  • Starter

    $29/month

    1,250 credits per month, billed monthly

    • Download videos
    • Remove Synthesia logo
    • AI Video Assistant
    • Survey analytics
    • 3 guests
    • 125+ stock avatars
    • Chat and email support

  • Pro

    Most popular

    $89/month

    6,000 credits per month, billed monthly, with larger credit tiers available

    • Everything in Starter
    • 5 Personal Avatars
    • Branded video pages
    • Interactive videos
    • 5 guests
    • 180+ stock avatars
    • Priority support

  • Enterprise

    Custom/custom

    Custom credit volumes, contact sales

    • Everything in Pro
    • Unlimited Personal Avatars
    • SAML/SSO
    • Live team collaboration
    • Brand Kits
    • SCORM export
    • 240+ stock avatars
    • Dedicated customer success manager

Our ratings

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

Captions
7.6overall
Synthesia
8.6overall

Captions leads in 0 categories and Synthesia in 2.

  • Ease of Use

    Synthesia leads by 0.3
    Captions
    8.5
    Synthesia
    8.8

  • Feature Depth

    Captions
    8.0
    Synthesia
    Not rated

  • Value for Money

    Synthesia leads by 0.5
    Captions
    7.0
    Synthesia
    7.5

  • Performance & Speed

    Captions
    7.5
    Synthesia
    Not rated

  • Documentation & Support

    Captions
    7.0
    Synthesia
    Not rated

  • Avatar Quality

    Captions
    Not rated
    Synthesia
    8.5

  • Language Support

    Captions
    Not rated
    Synthesia
    9.0

  • Enterprise Readiness

    Captions
    Not rated
    Synthesia
    9.0

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

Captions

Pros

  • Chat-based editing lets users change a video with text prompts, with hand controls still available.
  • Captions and subtitles in 100+ languages with 100+ caption styles.
  • Combines editing and generation: AI avatars, digital twins and text-to-video in one app.
  • Credits roll over up to 3x the monthly allowance.
  • API available for developers who want captioning or generation in their own products.

Cons

  • Published prices are iOS prices only; web pricing and the annual discount are not listed.
  • The free plan includes no AI credits, so generative features need a paid plan starting at $24.99/month.
  • No confirmed Android app or desktop app; availability is web and iOS.
  • Top self-serve tiers are expensive ($139.99 and $279.99 per month).

Synthesia

Pros

  • Free Basic plan with 10 minutes of video or dubbing per month
  • 140+ languages for voiceovers and translation
  • Turns prompts, documents and PowerPoint files into editable videos
  • Interactive videos, roleplay and survey Sessions beyond standard video
  • Enterprise features include SAML/SSO and SCORM export, and a public API is available

Cons

  • Free plan videos carry a watermark and cannot be downloaded
  • SCORM export, SAML/SSO and Brand Kits are limited to Enterprise
  • Credit-based plans are hard to forecast because usage depends on the content of each video
  • No mobile app found in the App Store

Platforms

  • Web
    Captions
    Supported
    Synthesia
    Supported
  • Windows
    Captions
    Not supported
    Synthesia
    Not supported
  • macOS
    Captions
    Not supported
    Synthesia
    Not supported
  • iOS
    Captions
    Supported
    Synthesia
    Not supported
  • Android
    Captions
    Not supported
    Synthesia
    Not supported
  • API
    Captions
    Supported
    Synthesia
    Supported
  • Browser Extension
    Captions
    Not supported
    Synthesia
    Not supported

Integrations

Captions

No integrations listed.

Synthesia

4 integrations
  • PowerPoint
  • SCORM
  • Claude
  • ChatGPT

Company

  • Company
    Captions
    Mirage (NOCAP, Inc.)
    Synthesia
    Synthesia Ltd
  • Founded
    Captions
    2021
    Synthesia
    2017
  • Headquarters
    Captions
    New York City, NY
    Synthesia
    London, UK
  • Monthly users
    Captions
    20M
    Synthesia
    Not listed
  • Listing
    Captions
    Claimed
    Synthesia
    Claimed

Frequently asked questions

Is Captions better than Synthesia?

It depends on your workflow. Captions is built for fast short-form video editing, auto-captioning, and AI avatar or digital twin videos for ads and social posts. Synthesia is built for corporate training videos.

What are the key feature differences between Captions and Synthesia?

Captions: AI video editor that turns raw footage and prompts into finished, captioned videos. Synthesia: Create narrated business videos from text with AI avatars in 140+ languages.

Does Captions or Synthesia have a free plan?

Yes, both do. Captions is freemium and Synthesia is freemium, and each has a free plan or trial.

Which is cheaper, Captions or Synthesia?

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