Dia

Dia is a Chromium-based macOS browser that combines conventional tab management and privacy controls with an AI assistant for working across your open web context. It suits Mac users who separate several kinds of work and want browser-based help tied to pages, tabs and connected services. The free browser is substantial, while serious AI use depends on a paid allowance and therefore needs careful budgeting.

Overview

Dia comes from The Browser Company of New York and is currently available for macOS; its website describes Windows as coming soon. Profiles separate work, freelance and personal tabs, logins and AI contexts, which is more useful than a cosmetic profile switch for anyone sharing one computer across roles. Tab groups, split view and picture-in-picture address different kinds of multitasking, while Chrome Store extension support keeps the browser compatible with an established extension library.

Built-in ad blocking, advanced tracking protection and end-to-end encrypted sync give the free browser a credible privacy baseline. Dia says it does not sell personal data or use browsing data to build ad profiles. Users can control memory and connected tools, disable content-data sharing for product improvement in Settings, and Dia says its AI partners cannot retain user data or use it to train their models.

Key features

The assistant answers questions and handles requests about the current page, other tabs, selected text and browsing history. That context is the product's central advantage: it can work from material already in a browsing session instead of requiring every detail to be pasted into a separate chatbot. Morning Brief brings together calendar, inbox and key links for daily preparation. Reusable Skills turn recurring prompts into workflows, potentially saving repetition for people with regular research or coordination tasks.

Named integrations include Slack, Gmail, Notion, Microsoft Outlook, GitHub, Google Calendar and Figma; release notes dated September 24, 2026 say Dia connects to Figma tools. Privacy controls let users decide which tools enter their workflow, an important qualification when connecting work accounts. For teams, Dia for Work adds SSO and administrator tools for security. The company says it completed a SOC 2 Type II examination covering security, confidentiality and privacy for calendar year 2025, with the report issued in 2026.

Pricing

PlanPriceWhat it includesBetter Browser$0.00 per freeProfiles and tab groups, split view, picture-in-picture, ad and tracking blocker, and cross-device sync; no AI features.Better Answers$20.00 per monthEverything in Better Browser plus AI answers and contextual chats, with a monthly Task allowance.Better Days$100.00 per monthBetter Browser and Better Answers features, six times more tasks and chats, plus additional work features.Dia offers a 14-day trial. Paid usage is measured in Tasks and resets each billing cycle without carrying over; AI features pause when the allowance is exhausted. Additional usage costs $20 per credit block through auto-reload or one-time top-ups. Purchased blocks roll over until used, for up to three months from purchase. Better Browser is the sensible choice for anyone who wants a capable Mac browser without AI. Better Answers fits individuals who use contextual assistance regularly but can work within a monthly quota. Better Days is aimed at heavier users who can justify $100 per month for six times the usage and extra work functionality; it is difficult to recommend for occasional AI queries.

Platforms

Dia runs on macOS. Windows is described as coming soon, so it is not a current option for Windows users, and no other supported operating systems are identified.

Who it's for

Choose Dia if you use a Mac, move between distinct work and personal identities, and want AI assistance grounded in your active browsing. It is especially well matched to users who can connect calendars, inboxes or collaboration tools and benefit from Morning Brief or reusable Skills. The free tier also works for people who want profiles, privacy controls, extensions and sync without AI. Look elsewhere if you need Windows today, unlimited AI, or a browser choice that is not tied to monthly Task allowances.

Pros and cons

Pros

Useful free browser: profiles, tab groups, split view, picture-in-picture, blocking and sync are included without a subscription.

Contextual assistance: the assistant can work across pages, tabs, selected text and history.

Role separation: profiles keep tabs, logins and AI contexts distinct for different kinds of work.

Privacy choices: memory, connected tools and content-data sharing are user-controlled, with encrypted sync.

Team security: Dia for Work adds SSO and administrator controls.

Cons

No free AI: the free plan excludes the assistant, Morning Brief and other AI-led workflows.

Usage ceilings: paid Tasks reset monthly, do not roll over, and stop AI features at the limit.

Expensive heavy use: Better Days costs $100 per month even before extra credit blocks.

Mac limitation: Windows support is not yet presented as available.

Alternatives

AI Browsers is the broader comparison for readers choosing primarily on assistant features, while Web browsers suits readers who want to compare general browser capabilities first.

Norton Neo is the better pick for broad device coverage and unlimited AI on a free plan; it runs on Android, iOS, Linux, macOS, web and Windows, with a 5 GB monthly VPN allowance unless it is your default browser.

Comet is a free alternative for users wanting a downloadable browser on Android, iOS, macOS or Windows without a paid tier.

Genspark AI Browser suits readers who want on-device models with no subscription or usage limits; its free plan lists 169 open-weight models and it runs as an extension, on macOS, web and Windows.

Arc Search is a free choice for a mobile-focused browser, with Android, iOS, macOS and Windows support.

BrowserOS is for readers who specifically want an open-source browser with built-in AI agents on macOS, Windows and Linux.

Aside fits users seeking routines and a credit-based workflow model, with a free 500-credit monthly plan and a $20-per-month Pro tier.

MoltBrowser is a free, fully open-source browser for extension, Linux, macOS and Windows users.

Polar is an alternative for readers who prefer credit-based browser-agent plans, including a free starting credit allocation and a $20-per-month Individual plan.

Verdict

Dia is a strong choice for Mac users who want a polished everyday browser with separated work contexts and AI that understands the pages and tabs already in front of them. Its main reason to choose it is the combination of practical free browser tools and workflow-oriented assistance; its main reason to look elsewhere is the macOS restriction and the hard monthly limits on paid AI use.