Trusted by 10,000+ creators · 1.2M+ replies generated

Grow on X with replies that actually go viral.

SmartReply AI X writes scroll-stopping replies and viral threads in your voice — in under 12 seconds. No prompts. No fluff. Just engagement.

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No credit card 10 free / day Cancel anytime
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Tweet
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Try a Reply
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Smart Replies

9 ready-to-post replies in your voice

Free
Tone
Reply like

Viral Thread Generator

One idea → engagement-ready thread

Free
10,000+ creators trust SmartReply AI X
10,000+
Active creators
1.2M+
Replies generated
12 sec
Avg. generation time
4.9 / 5
Average rating
  • SOC-2 aligned
  • 256-bit SSL
  • Secure checkout by Paddle
  • 99.9% uptime
  • Built for X
Features

Everything you need to grow on X

From smart replies to viral threads, SmartReply AI X gives you the unfair advantage every serious creator deserves.

Smart AI Replies

Paste any tweet, get 9 ready-to-post replies that sound human, not robotic.

Viral Thread Generator

Drop one idea — get a structured, engagement-ready thread in seconds.

12 Reply Tones

Witty, Bold, Helpful, Savage, Professional… match your audience every time.

Faster Audience Growth

Reply more, post more, grow more. Tested by 10,000+ creators.

Reply Like Top Creators

Mirror the voice of @naval, @levelsio, or save your own personal style.

Private & Secure

We never train on your inputs. Your account, your voice, your data.

Workflow

From blank screen to posted in 30 seconds

01

Paste a tweet or idea

Drop in any tweet you want to reply to, or a single thread idea.

02

Pick your tone & voice

Choose from 12 tones and optional creator personas.

03

Copy. Post. Grow.

Pick the reply you love, copy with one click, and ship it.

Loved by creators

Join 10,000+ creators growing on X

Real reviews from founders, marketers, and indie creators on X.

Alex Chen
Alex Chen
@techfounder

"This tool 10x'd my reply game. Went from 20 likes to 200+ in weeks."

Sarah Patel
Sarah Patel
@growthwithai

"The thread generator is insane. Gained 800 followers in 2 days."

Mike Rivera
Mike Rivera
@marketingmike

"Replies feel natural, not robotic. My audience actually engages back."

Chris Walker
Chris Walker
@startupchris

"Saved me 2 hours a day. Now I enjoy replying to comments again."

Jenna Lee
Jenna Lee
@jennabuilds

"Went from lurker to 5k followers in a month. Pure gold."

Tom Becker
Tom Becker
@tombuilds

"Finally an AI that doesn't sound like ChatGPT. Worth every cent."

Alex Chen
Alex Chen
@techfounder

"This tool 10x'd my reply game. Went from 20 likes to 200+ in weeks."

Sarah Patel
Sarah Patel
@growthwithai

"The thread generator is insane. Gained 800 followers in 2 days."

Mike Rivera
Mike Rivera
@marketingmike

"Replies feel natural, not robotic. My audience actually engages back."

Chris Walker
Chris Walker
@startupchris

"Saved me 2 hours a day. Now I enjoy replying to comments again."

Jenna Lee
Jenna Lee
@jennabuilds

"Went from lurker to 5k followers in a month. Pure gold."

Tom Becker
Tom Becker
@tombuilds

"Finally an AI that doesn't sound like ChatGPT. Worth every cent."

Priya Shah
Priya Shah
@priyabuilds

"I write threads in 30 seconds now. My engagement doubled in 3 weeks."

Daniel Kim
Daniel Kim
@dankimx

"Best $19 I spend every month. Period."

Lara Moreno
Lara Moreno
@laraonx

"Sounds like me — only sharper. My DMs exploded."

Owen Hart
Owen Hart
@owenwrites

"From 200 to 12k followers in 4 months. SmartReply is the secret."

Mei Tanaka
Mei Tanaka
@meigrowth

"The persona feature is a cheat code for creators."

Ivan Volkov
Ivan Volkov
@ivanships

"Killed my writer's block. I post daily now."

Priya Shah
Priya Shah
@priyabuilds

"I write threads in 30 seconds now. My engagement doubled in 3 weeks."

Daniel Kim
Daniel Kim
@dankimx

"Best $19 I spend every month. Period."

Lara Moreno
Lara Moreno
@laraonx

"Sounds like me — only sharper. My DMs exploded."

Owen Hart
Owen Hart
@owenwrites

"From 200 to 12k followers in 4 months. SmartReply is the secret."

Mei Tanaka
Mei Tanaka
@meigrowth

"The persona feature is a cheat code for creators."

Ivan Volkov
Ivan Volkov
@ivanships

"Killed my writer's block. I post daily now."

Pricing

Simple, honest pricing

Start free. Upgrade when you're ready to post like a machine.

Free

For casual posters trying it out.

$0/ forever
  • 10 generations per day
  • 9 smart replies per tweet
  • Viral thread builder
  • All 12 tone presets
  • Local history
Most popular

Pro

For creators who post every day.

$19/ month
  • Unlimited replies
  • Unlimited viral threads
  • Advanced AI tones
  • Faster generations
  • Priority support
  • Early access to new features
Upgrade to Pro

Cancel anytime. No hidden fees.

FAQ

Questions, answered.

No. SmartReply is tuned for X — short, punchy, human. Choose from 12 tones (Witty, Bold, Helpful, Savage, Pro…) or mirror a creator's voice with @persona. Most users say they can't tell their own replies from ours.

Yes. You get 10 free generations per day, forever. No credit card. Upgrade to Pro ($19/mo) only when you want unlimited replies and threads.

No. SmartReply gives you drafts to copy and post manually. We never auto-post or touch your X account. You stay in full control.

Yes. Drop one idea in the Thread Generator and you'll get a structured, hook-first thread engineered for engagement — usually in under 12 seconds.

Never. Your prompts, drafts and history stay yours. We don't train models on your data.

Yes — one click in the billing portal. No questions, no retention games.

Ready to grow on X?

Generate your first 9 replies in under a minute. No credit card required.

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