Free Tool · Reply Generator

Reply to 10× more comments — in your actual voice.

Paste the comment you want to reply to. PostSpark generates 5 on-brand, context-aware replies — supportive, witty, contrarian, question, value-add — in seconds.

Start free — no card See pricing

3 free repurposes monthly
No credit card required
Cancel anytime

postspark.co · /tools/reply-generator

Input

Powered by Claude Sonnet 5

Output — in your voice

● Live

X thread

Newsletter

Reel script

Trusted by 2,400+ creators & agencies shipping daily

LoomNotionRiversideDescriptSubstackBeehiiv

The problem · The fix

What's costing you hours — and how PostSpark removes it.

What's draining your week

Engagement decides reach, but replying to 100 comments/day burns 90 minutes.
Generic 'thanks for sharing' replies kill your authority.
ChatGPT replies sound like a customer support bot.

What PostSpark gives you

Brand Voice AI keeps replies in your tone — Pro users see this auto-applied.
5 reply angles per comment so you pick the one that fits.
Free for 3 replies/month, Pro at $24/mo unlimited.

Your workflow

How it works for you

Step 01

Paste the comment

Optional: paste the original post for context.

Step 02

Pick the reply angle

Supportive, witty, contrarian, question, or value-add.

Step 03

Copy & post

Or save to a swipe file for batch-replying later.

Pricing

Simple pricing. Real value.

Start free forever. Upgrade whenever you're ready to ship a month of content in an afternoon.

Switch to annual for two months free.

Free

Try it without a credit card.

$0/month

3 repurposes per month
All content formats
Tweet, LinkedIn & email outputs
Copy and export
Brand Voice AI
Unlimited repurposes

Start free

Pro

For creators who publish daily.

$24/month

Unlimited repurposes
All content formats
Brand Voice AI training
Spark Copilot assistant
AI Image Studio
Hook Lab + virality scoring
SEO Blog Writer
Content Calendar
Priority generation
History & regeneration

30-day money-back guarantee

Agency

For teams and agencies.

$49/month

Everything in Pro
5 team seats
Multi-brand workspaces
Client approval links
White-label review pages
Agency analytics rollup

PostSpark replaces: Jasper ($49) + Buffer ($15) + Canva Pro ($15) + Surfer SEO ($89) = $168/month

PostSpark Pro: $19/month billed annually.

FAQ

Common questions.

ChatGPT gives you raw text. PostSpark turns one source — video, podcast, blog — into 30+ platform-ready posts, shorts and threads, written in your voice, sized for each channel, with hooks and hashtags ready to publish.

Ready to ship a month of content?

Free forever plan. No credit card. Cancel anytime.