CommentSharkStart free

Every comment gets a reply.
You don't lift a finger.

Your YouTube comment assistant will drop product links on every video, in any language, 24/7.

Start freeSee it in action

Free · No credit card · Live in minutes

Built for creators, agencies, and brands who want a comment assistant that never sleeps.

Trusted by 4,000+ creators, 4.8M+ comments read
@fashionista_jane
@fashionista_jane33 min ago

Love this outfit. Where did you get those boots?

18Reply
Product questionMatched your rule, drafted a reply
You
Younow

@fashionista_jane They're linked in my bio! Code SHARK10 gets you 10% off.

Reply
Why It Matters

Why creators need a YouTube comment assistant

Replying by hand worked at 1,000 subs. At 100,000 it doesn't. Here is what an assistant takes off your plate.

Comments pile up faster than you can answer

Past a few thousand subscribers, the count outruns any human. Real questions sit unanswered for days.

Replying by hand eats your evenings

Engagement is what turns viewers into fans, but doing it by hand means you stop creating to keep up.

Engagement decays in the first 24 hours

Most comments land the first day. A reply two days later is a reply nobody sees.

Spam buries the comments worth reading

Crypto bots and “check my channel” crowd out the real questions before your fans reach them.

What is a YouTube Comment Assistant?

It is an AI that reads every new comment and acts on it using rules you write in plain language: replying in your voice, posting templates, hiding spam, or flagging anything unclear for you. Set it up once and it handles thank-yous, product questions, FAQs, and spam on every video, in any language, while you stay in control of the rest.

Try it yourself

Teach your assistant a rule in one sentence

Click any highlighted word to swap options. Rotate the examples or write your own. No account needed until you want to save it.

Reward your loyal fans rule
WhenIf  Where on Action,  Run. Do this Notify and .
Click any highlighted word to customize this ruleSign up to save this rule →
Review before send

Need some confidence? Try 'needs approval' mode

Every draft action lands in a review queue. Approve, tweak, or reject with one click, so nothing goes out without your say-so.

Approve in the app

Skim the queue on the dashboard and clear it in a tap.

Approve from your inbox

Turn on Email to Approve and act on each draft right from the email.

By hand vs. CommentShark

The same work, without you doing it

Doing it by hand

  • Replies go out hours or days late, if at all
  • You scroll and delete spam by hand, forever
  • Evenings disappear into the comment inbox
  • Buyers and superfans get buried in the noise
  • Comments pile up while you sleep

With CommentShark

  • Fans get a reply within the hour, day or night
  • Spam is hidden before a single viewer sees it
  • You get 10+ hours back every month
  • Buyers and superfans get flagged for you
  • It keeps working 24/7, even while you sleep

Creators on paid plans save an average of 10+ hours a month with CommentShark.

0+Comments read
0+Actions automated
0+Creators on board
0+Languages supported
Keeps Fans Coming BackCommenters who get a reply are 2.5x more likely to return.
Works While You Sleep73% of replies go out outside business hours.
Replies Within The HourMedian time from comment to reply: under 30 minutes.
How It Works

From sign-in to a working assistant in under 10 minutes

Connect your channel, write a rule in plain language, preview it against past comments, then activate. CommentShark handles the rest 24/7.

  1. Connect your channel

    Sign in with Google. CommentShark syncs your videos and starts watching comments.

  2. Build a rule

    Write it in plain language, or accept an AI suggestion. Pick the trigger and the action.

  3. Preview it

    See how a rule would have handled past comments, then tweak until it is right.

  4. Activate and relax

    Turn it on and let it run 24/7. Track results in your dashboard as your channel grows.

Assistant Capabilities

What your YouTube comment assistant actually does

Everything you need to automate the replies, moderation, and busywork that used to eat your evenings.

AI Classification

AI reads intent across 100+ languages, praise, questions, and spam, with no patterns to write.

AI-Generated Replies

Unique, on-topic replies trained on your own past comments, so they still sound like you.

Affiliate & Lead-Gen Replies

Auto-reply to pricing and “where to buy” comments with your links, promo codes, or a lead capture.

Auto-Moderation

Hold suspicious comments for review or delete spam outright, 24/7, in every language.

Approval Queue

Review AI suggestions before they post. Autonomous for obvious cases, approval for sensitive ones.

Real-Time Reporting

Live dashboards for comment volume, sentiment, moderation, and rule performance.

See It In Action

See your assistant in action

Set up a rule in plain language, then track every reply and removal it makes from one live dashboard.

Rules

Build a rule in seconds

Describe what to catch, pick the action, and dry-run it against your real comments before it ever goes live.

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Dashboard

See your whole channel at a glance

Track actions over time, your top-performing rules, and every reply and removal, all from one live dashboard.

View more
View all features
Case studies

What creators get back

Three real accounts, anonymized. Every figure is lifetime-to-date usage.

Community and moderation

A safe space that scales

Warm replies at volume, with spam cleared before it spreads.

replies posted
17,758
active rules
16
comments moderated
1,026
hours saved
~449

17,758 replies in their first 6 months. Month six alone: 2,915 replies.

Spiritual and personal growth · 250K–500K subscribers

Lead generation

Turning comments into booked calls

Intent rules turn high-value questions into booked calls.

replies posted
10,981
active rules
34
hours saved
~275

10,981 replies in their first 7 months. Month seven alone: 1,589 replies.

Financial education · 50K–100K subscribers

Small channel, big volume

Six rules doing the work of a team

A small channel replying like a staffed team, off six broad rules.

replies posted
9,957
active rules
6
hours saved
~249

9,957 replies in their first 3 months. Month three alone: 2,755 replies.

Music reactions · 25K–50K subscribers

Read all 5 case studies

Pricing that scales with your channel

Start free with the comment assistant, upgrade when your community grows. No credit card required to begin.

Free
$0
  • 3 rules
  • 20 actions/mo
  • Templated replies
Starter
$19/mo
  • 10 rules
  • 500 actions/mo
  • AI replies + classification
Most PopularCreator
$49/mo
  • 25 rules
  • 1,500 actions/mo
  • AI replies + classification
Custom
Let's talk
  • Rules & actions to fit
  • Priority support
  • Onboarding call & setup
See full pricing →Start free

Bigger channel? Tell us what you need and we'll put a plan together. Response in under 1 hour.

Zero risk

Try it with nothing to lose

Free to start

20 actions a month on the free plan. No credit card, no trial timer.

You stay in control

Approve every reply until you trust it. Then let it run on its own.

Your channel stays yours

Secure Google sign-in. Revoke access in one click, whenever you want.

Cancel anytime

No contracts. Month to month. Leave whenever you like.

See it on your channel

Sign in with Google and watch it work on your real comments today.

Start free

Free · No credit card · Live in minutes

Frequently Asked Questions

How does it work?
+
CommentShark connects to your YouTube channel via the official API. You set up "Rules" that match specific text, use AI classification, or text matching patterns. When a new comment matches a rule, CommentShark can automatically reply, moderate (hold for review or reject), or delete the comment—running 24/7 in the background. You choose whether actions happen automatically or require your approval.
How is CommentShark different from YouTube Studio's built-in tools?
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YouTube Studio lets you moderate comments manually — one at a time. CommentShark adds automation on top: keyword rules, AI classification, auto-replies, scheduled moderation, and bulk actions across all your videos. Think of it as YouTube Studio's comment tools on autopilot.
How do I automatically reply to YouTube comments?
+
Sign in with your YouTube account, create auto reply rules with text match or AI triggers, choose a response template or AI-generated reply, and activate the rule so CommentShark can post for you 24/7.
What are YouTube auto reply rules and how do they work?
+
Auto reply rules combine a match condition, a response, and a posting mode. CommentShark monitors incoming comments, checks them against your rule logic, and either posts immediately or queues the reply for approval based on your settings.
See all 27 FAQs →

Your comment section, handled.

Set up your first rule in under a minute. CommentShark takes it from there, 24/7.

Start free

Free plan: 20 actions/mo, no credit card required