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Aside alternatives: 4 apps ranked by verified data

Facts checked Oct 29, 2026AppBreakup editorialHow we rank

Common reasons people leave Aside: free plan is capped by monthly credits and three routines, and higher tiers are expensive for individual users. We ranked 4 alternatives by how directly each one replaces Aside, then by reviews, real visits and how recently each app's facts were checked against its own website. Comet currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Comet logoCometFree plan + paidNomacOS, Windows, iOS +13 of 366.5
2Dia logoDiaFree plan + paidNomacOS, Windows4 of 461.8
3Opera Neon logoOpera NeonPaidNoWindows, macOS3 of 359.4
4ChatGPT Atlas logoChatGPT AtlasFree plan + paidNomacOS0 of 052.1
  1. Comet logo

    1. CometTop pick

    Best for: Perplexity users who want AI research and task help built into their browser

    Free plan + paidmacOS, Windows, iOS, Android

    66.5

    score / 100

    Why switch from Aside

    Perplexity's AI browser with a built-in assistant and agent, free to download.

    Pros

    • AI assistant that can work across tabs and act on pages
    • Supports most Chrome extensions
    • Available on desktop and mobile

    Cons

    • Browsing content is sent to an AI service
    • Agent actions can make mistakes
    • Best features tied to paid Perplexity plans
    Visit Comet Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Comet a good Aside alternative?

    Verified facts

    3 of 3 verified
    Platforms
    Mac, Windows, iOS, Android
    Checked Oct 25, 2026perplexity.ai(opens source in a new tab)
    Engine
    Chromium
    Checked Oct 25, 2026perplexity.ai(opens source in a new tab)
    Extensions
    Most Chrome extensions
    Checked Oct 25, 2026perplexity.ai(opens source in a new tab)
  2. Dia logo

    2. Dia

    Best for: Former Arc users and knowledge workers who want AI built into their browser

    Free plan + paidmacOS, Windows

    61.8

    score / 100

    Why switch from Aside

    AI-first browser from The Browser Company, focused on chatting with your open tabs.

    Pros

    • Imports Arc Spaces, tabs and passwords directly
    • Free browser tier with no AI features required
    • End-to-end encrypted sync

    Cons

    • AI features need a paid plan
    • No Linux or mobile apps
    • Young product still changing quickly
    Visit Dia Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Dia a good Aside alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Better Browser, free
    Checked Oct 25, 2026diabrowser.com(opens source in a new tab)
    AI plan
    $10/month (Better Answers)
    Checked Oct 25, 2026diabrowser.com(opens source in a new tab)
    Platforms
    macOS and Windows
    Checked Oct 29, 2026diabrowser.com(opens source in a new tab)
    Engine
    Chromium
    Checked Oct 29, 2026diabrowser.com(opens source in a new tab)
  3. Opera Neon logo

    3. Opera Neon

    Best for: Early adopters who want an AI agent to handle repetitive web tasks

    PaidWindows, macOS

    59.4

    score / 100

    Why switch from Aside

    Opera's agentic browser that can browse and carry out tasks on your behalf.

    Pros

    • Agents that act on pages, not just chat
    • Choice of leading AI models
    • Free VPN and ad blocker included

    Cons

    • Agent features need a monthly subscription
    • Agents can make mistakes on real sites
    • Desktop only
    Visit Opera Neon Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Opera Neon a good Aside alternative?

    Verified facts

    3 of 3 verified
    Subscription price
    $19.90/month
    Checked Oct 29, 2026opera.com(opens source in a new tab)
    Developer access
    MCP or CLI
    Checked Oct 29, 2026opera.com(opens source in a new tab)
    Free VPN
    Included, no subscription needed
    Checked Oct 29, 2026opera.com(opens source in a new tab)
  4. ChatGPT Atlas logo

    4. ChatGPT Atlas

    Best for: Heavy ChatGPT users who want it on every page they visit

    Free plan + paidmacOS

    52.1

    score / 100

    Why switch from Aside

    OpenAI's browser puts ChatGPT and its agent mode in the sidebar of every page.

    Pros

    • ChatGPT reads and works with the current page
    • Agent mode can complete multi-step web tasks
    • Imports bookmarks and passwords from other browsers

    Cons

    • Browsing context goes to OpenAI when features are used
    • Agent mode tied to paid ChatGPT plans
    • Launched on macOS first
    Visit ChatGPT Atlas Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1515
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is ChatGPT Atlas a good Aside alternative?

    Verified facts

    0 of 0 verified

    No sourced facts yet.

Discontinued alternatives

  • Arc is no longer available.

The best Aside alternative for…

The highest-ranked app in this list for each need.

Comet logo

Best Aside alternative for most people

Comet

Perplexity's AI browser with a built-in assistant and agent, free to download.

Dia logo

Best Aside alternative for a free plan you can upgrade

Dia

AI-first browser from The Browser Company, focused on chatting with your open tabs.

Opera Neon logo

Best Aside alternative for Mac

Opera Neon

Opera's agentic browser that can browse and carry out tasks on your behalf.

Comet logo

Best Aside alternative for Windows

Comet

Perplexity's AI browser with a built-in assistant and agent, free to download.

Comet logo

Best Aside alternative for iPhone and Android

Comet

Perplexity's AI browser with a built-in assistant and agent, free to download.

Aside alternatives: common questions

What is the best alternative to Aside?

Comet ranks first right now. Perplexity's AI browser with a built-in assistant and agent, free to download. Dia and Opera Neon follow it in our ranking.

Is there a free alternative to Aside?

Yes. Comet (free plan + paid), Dia (free plan + paid) and ChatGPT Atlas (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Aside?

None of the 4 alternatives in this list is open source.

Why do people switch from Aside?

The complaints we hear most: free plan is capped by monthly credits and three routines; higher tiers are expensive for individual users; young product from a startup, so features and pricing may shift.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Aside, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.