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Dia vs Fellou

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

Verdict

Dia is listed under AI Assistants and Fellou under AI Agents. Dia scores higher in FinderAtlas's editorial review (7.8 vs 7.3 out of 10), led by ease of use and value for money. Both have a free plan or trial. Only Dia is available on Windows.

Best overall

Dia

  • Knowledge workers
  • Teams using Google Workspace or Atlassian tools
  • Researchers
  • Students

Choose Dia if

  • You want a tool built for asking questions across tabs and connected work apps, summarizing pages and meetings, and organizing many open tabs.
  • Free to download, with a $20 per month Pro plan rather than a mandatory subscription.
  • AI chat can use content from open tabs and connected work apps.

Choose Fellou if

  • You want a tool built for Multi-source research reports, repetitive web workflows, data collection and form filling, scheduled recurring tasks.
  • Shows an editable plan before executing, with approve, pause and stop controls on each step.
  • Combines browser automation, deep research and local computer control in one app.
Best for beginners
Dia
Best for business
Fellou

Features

20 features compared.

  • Chat with your tabs
    Dia
    Available
    Fellou
    Not available
  • Connected apps
    Dia
    Available
    Fellou
    Not available
  • Skills
    Dia
    Available
    Fellou
    Not available
  • Morning Brief
    Dia
    Available
    Fellou
    Not available
  • Decks and reports
    Dia
    Available
    Fellou
    Not available
  • Live Work
    Dia
    Available
    Fellou
    Not available
  • Splits and organized tabs
    Dia
    Available
    Fellou
    Not available
  • Profiles
    Dia
    Available
    Fellou
    Not available
  • Privacy controls
    Dia
    Available
    Fellou
    Not available
  • Dia for Work
    Dia
    Available
    Fellou
    Not available
  • Deep Action
    Dia
    Not available
    Fellou
    Available
  • Deep Search
    Dia
    Not available
    Fellou
    Available
  • Browser Use
    Dia
    Not available
    Fellou
    Available
  • Computer Use
    Dia
    Not available
    Fellou
    Available
  • Agentic Memory
    Dia
    Not available
    Fellou
    Available
  • Scheduled Tasks
    Dia
    Not available
    Fellou
    Available
  • Background Multitasking
    Dia
    Not available
    Fellou
    Available
  • Multiple Output Types
    Dia
    Not available
    Fellou
    Available
  • Step-Level Control
    Dia
    Not available
    Fellou
    Available
  • Eko Framework
    Dia
    Not available
    Fellou
    Available

Pricing

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

  • Pricing model
    Dia
    Freemium
    Fellou
    Freemium
  • Free plan
    Dia
    Yes
    Fellou
    Yes
  • Starting price
    Dia
    $0
    Fellou
    $0
  • Plans
    Dia
    2 plans
    Fellou
    4 plans

Dia plans

  • Free

    $0

    Free download with capped AI usage

    • Full browser
    • AI chat with tab context
    • Skills (limited)
    • Sync

  • Pro

    Most popular

    $20/month

    Individuals who use AI heavily

    • Expanded AI chat and Skills usage
    • fuller personalized memory

Fellou plans

  • Free

    $0

    Starter tier with a one-time Sparks bonus

    • 1,000 Sparks (new user bonus
    • about 4 tasks)
    • 2 scheduled tasks

  • Plus

    $19/month

    Entry paid plan for regular users

    • 2,000 Sparks/month (about 8 tasks)
    • 3 scheduled tasks
    • Priority support
    • Early access to new features

  • Pro

    Most popular

    $39.90/month

    Higher monthly Sparks allowance

    • 5,000 Sparks/month (about 20 tasks)
    • 5 scheduled tasks
    • Priority support
    • Early access to new features

  • Ultra

    $199.90/month

    Heavy usage with unlimited Sparks

    • Unlimited Sparks (limited time)
    • Unlimited scheduled tasks
    • Unlimited concurrent tasks
    • Exclusive priority support

Our ratings

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

Dia
7.8overall
Fellou
7.3overall

Dia leads in 4 categories and Fellou in 0, with 1 tied.

  • Ease of Use

    Dia leads by 0.7
    Dia
    8.5
    Fellou
    7.8

  • Feature Depth

    Tied
    Dia
    8.0
    Fellou
    8.0

  • Value for Money

    Dia leads by 0.5
    Dia
    7.5
    Fellou
    7.0

  • Performance & Speed

    Dia leads by 1.0
    Dia
    7.8
    Fellou
    6.8

  • Documentation & Support

    Dia leads by 0.2
    Dia
    7.0
    Fellou
    6.8

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

Dia

Pros

  • Free to download, with a $20 per month Pro plan rather than a mandatory subscription.
  • AI chat can use content from open tabs and connected work apps.
  • Frequent releases: Mac v1.52.0 and v1.53.0 shipped in October 2026.
  • Separate profiles keep work and personal tabs and AI context apart.
  • Dia for Work provides SAML SSO, MDM policies and a SOC 2 Type II examination.

Cons

  • Desktop only; no publicly released iOS or Android app.
  • Windows version is new (v1.0 on October 6, 2026) and trails the Mac version.
  • Free-tier AI usage limits are not published, and the site has no public pricing page.
  • Several workflow features depend on connected work apps and a work-focused setup.

Fellou

Pros

  • Shows an editable plan before executing, with approve, pause and stop controls on each step.
  • Combines browser automation, deep research and local computer control in one app.
  • Displays estimated Spark cost before a workflow runs, according to a reviewer.
  • Free tier and a $19/month entry plan make it cheap to try.
  • Open-source Eko framework (MIT) from the same team for custom agents.

Cons

  • Reviewers report it can loop or stall on complex or dynamic layouts and cannot reliably get past CAPTCHAs.
  • Credit-based pricing: the Free plan's 1,000 Sparks cover only about 4 tasks, and cost varies with workflow length.
  • No mobile app found; desktop only.
  • Page context is processed by cloud AI, which security commentators flag as an attack-surface and privacy concern.

Platforms

  • Web
    Dia
    Not supported
    Fellou
    Not supported
  • Windows
    Dia
    Supported
    Fellou
    Not supported
  • macOS
    Dia
    Supported
    Fellou
    Supported
  • iOS
    Dia
    Not supported
    Fellou
    Not supported
  • Android
    Dia
    Not supported
    Fellou
    Not supported
  • API
    Dia
    Not supported
    Fellou
    Not supported
  • Browser Extension
    Dia
    Not supported
    Fellou
    Not supported

Integrations

Dia

8 integrations
  • Google Workspace
  • Slack
  • Notion
  • Microsoft Teams
  • GitHub
  • Atlassian
  • Okta
  • Microsoft Entra ID

Fellou

5 integrations
  • Google
  • Notion
  • Reddit
  • X
  • LinkedIn

Company

  • Company
    Dia
    The Browser Company of New York
    Fellou
    Fellou
  • Founded
    Dia
    2019
    Fellou
    Not listed
  • Headquarters
    Dia
    New York, NY
    Fellou
    Not listed
  • Listing
    Dia
    Claimed
    Fellou
    Claimed

Frequently asked questions

Is Dia better than Fellou?

It depends on your workflow. Dia is built for asking questions across tabs and connected work apps, summarizing pages and meetings, and organizing many open tabs. Fellou is built for Multi-source research reports, repetitive web workflows, data collection and form filling, scheduled recurring tasks.

What are the key feature differences between Dia and Fellou?

Dia: An AI-native web browser that answers questions across your tabs and work apps. Fellou: Agentic AI browser that plans and runs multi-step web tasks for you.

Does Dia or Fellou have a free plan?

Yes, both do. Dia is freemium and Fellou is freemium, and each has a free plan or trial.

Which is cheaper, Dia or Fellou?

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