Smart Reply Pro vs Grammarly
Grammarly makes your sentences correct. Smart Reply Pro helps you figure out what to say in the first place.
The short answer
Grammarly is the best-known writing checker for a reason: it catches mistakes, tightens sentences, and its tone suggestions can save you from sounding harsher than you meant. But it starts working after you've written something. The hardest part of a difficult reply is the blank box before that. Smart Reply Pro starts from the incoming message: it reads the tone, pressure and intent of what was sent to you, then drafts reply options in your own voice. Correction versus creation: that's the real difference.
Side by side
| Smart Reply Pro | Grammarly | |
|---|---|---|
| Starting point | The message you received; it drafts the reply for you to review | The text you already wrote; it corrects and refines it |
| Understands the other person | Analyses the incoming message's tone, pressure and intent | Focuses on your text, not theirs |
| Your voice | Tone DNA learned from your last 25 replies | Style suggestions against general writing standards |
| Best at | Replies, especially delicate or high-stakes ones | Grammar, spelling, clarity across all your writing |
| Platforms | Gmail, LinkedIn, X, WhatsApp Web, Slack, Discord, Instagram, Messenger, Reddit and Teams + free web app | Nearly everywhere you type |
| Price | Free plan live today; Pro from €9.99/month | Free tier; paid plans from ~$12/month |
Competitor details are summarised in good faith and may change. Always check their site for current features and pricing.
When Grammarly is the right choice
- You write long documents, reports or essays and want every sentence checked.
- English isn't your first language and you want a constant grammar safety net.
- You already know what to say; you just want it polished.
When Smart Reply Pro wins
- You're staring at a message and don't know how to answer it.
- The problem isn't grammar. It's tone, framing and what to actually say.
- You want options: firmer, warmer, shorter. You pick and refine.
- Perfect grammar in the wrong tone still loses the client. You need both.
Common questions
Doesn't Grammarly also generate text now?
Grammarly has added AI generation features, and they're decent for general writing. Smart Reply Pro differs in focus: it's built only for replies, reads the incoming message before drafting, and writes in a voice learned from your own past replies.
Can I run Grammarly on top of a Smart Reply Pro draft?
Yes, they don't conflict. Draft with Smart Reply Pro, let Grammarly check the final text if you like, then send. You review everything either way.
Which one should I pay for?
It depends where your time goes. If most of your writing pain is replies (email, LinkedIn, Slack, DMs), Smart Reply Pro addresses that directly, and the free plan lets you test it before paying anything.
Try the AI built only for replies
Free plan, live today. Drafts in your voice, on 10 platforms. You review every message before it's sent.