Sider logo
⚡ Productivity

Sider

AI assistant sidebar for your browser.

★★★★★3.9 ·Free tier / paid plans (see site) ·Freemium
7.6/10
Trust Score Try Free By The AIProsNCons Editors · 2 min read · Updated September 2026
sider.ai
Sider screenshot

🎯 The Honest Verdict — Should You Use This?

🟢
Use it ifyou want AI help built into everyday browsing.
🟡
Maybe ifyou are comparing browser AI assistants.

Pros

  • Always available in the browser sidebar
  • Summarizes pages and videos as you browse
  • Handles chat, translation and writing help

Cons

  • Check the site for current plan limits and prices
  • Overlaps with built-in browser AI features
  • Sidebar can clutter small screens

✅ Best for

  • ✓People who research and read a lot online
  • ✓Users wanting quick page summaries
  • ✓Anyone translating or drafting while browsing

⛔ Avoid if

  • ✕You rarely use the browser for research
  • ✕You prefer a standalone chat app

What is Sider?

Sider is an AI assistant that sits in a browser sidebar, offering chat, page and video summaries, translation and writing help while you browse.

Sider sits in the Productivity category and earns an overall AIProsNCons Trust Score of 7.6/10, making it a solid, dependable choice for most people.

Sider strengths

Where Sider shines: always available in the browser sidebar, summarizes pages and videos as you browse, and handles chat, translation and writing help.

Where Sider falls short

No tool is perfect. The main limitations to weigh up are that check the site for current plan limits and prices, overlaps with built-in browser AI features, and sidebar can clutter small screens.

How much does Sider cost?

Sider runs on a freemium model: there's a free tier to try it, and paid plans (Free tier / paid plans (see site)) unlock the full feature set.

Is Sider worth it?

Sider is worth it if you want AI help built into everyday browsing. You should skip it if you prefer a separate chat app.

Sider — FAQ

Is Sider free?

Sider has a free tier, with paid plans (Free tier / paid plans (see site)) unlocking more.

What is Sider best for?

Sider is best for people who research and read a lot online, users wanting quick page summaries, anyone translating or drafting while browsing.

What are the main downsides of Sider?

The main drawbacks: Check the site for current plan limits and prices; Overlaps with built-in browser AI features; Sidebar can clutter small screens.

Is Sider worth it?

With an overall Trust Score of 7.6/10, Sider is a solid, dependable choice for most people. It is worth it if you want AI help built into everyday browsing.

What are the best alternatives to Sider?

The closest productivity alternatives to Sider are Raycast, Linear, and Clockify.

Affiliate disclosure: the "Try Free" button may be an affiliate link. If you sign up through it we may earn a commission at no extra cost to you. It never affects our pros & cons.

Sider Reviews

Common user sentiment alongside our own hands-on take.

🗣️ User Reviews

Synthesized from patterns in public user feedback, not a single verbatim quote.

“Users frequently mention summarizes pages and videos as you browse.”

Common praiseAggregated sentiment

“A recurring theme in feedback is that check the site for current plan limits and prices.”

Common complaintAggregated sentiment

✓ AIProsNCons Reviews

“Always available in the browser sidebar. Summarizes pages and videos as you browse.”

AIProsNCons Editorial TeamWhat stood out to us

“Worth it if you want AI help built into everyday browsing. Just know that check the site for current plan limits and prices.”

AIProsNCons Editorial TeamOur overall take

Best alternatives to Sider

The closest productivity tools worth comparing.

Compare side by side →

If Sider isn't quite the right fit, the top alternatives are Raycast, Linear, Clockify. Put them head-to-head in our comparison tool.

Raycast

⚡ Productivity

Fast, AI-powered launcher and productivity tool for Mac.

Extremely fast, beloved by devel…Powerful AI features built into …
Mac-only, no Windows versionSome advanced AI features need Pro
★★★★★4.7 Free / $8+ mo

Linear

⚡ Productivity

AI-enhanced project management built for software teams.

Extremely fast, well-designed in…Beloved by software engineering …
Opinionated workflow may not fit…Best suited to software developm…
★★★★★4.6 Free / $8+ mo per user

Clockify

⚡ Productivity

Popular free time tracking tool with AI insights.

Generous, genuinely useful free …Trusted by millions of users
AI features are lighter than ded…Advanced reporting needs paid ti…
★★★★★4.6 Free / $3.99+ mo per user