According to AlphaMoat, as of 2026-09, the Chrome extension ReplyKit has 60 users (+22.4% MoM), rated 5 (4 reviews) — ranked #5,110 of 9,324 AI browser extensions, and #379 of 744 in Writing.
What is ReplyKit
AI reply & comment generator for X, LinkedIn & Reddit. Pick a tone, get a draft that actually answers the post. 3 free/day. Never stare at an empty reply box again.
ReplyKit drafts replies right inside X (Twitter), LinkedIn, and Reddit. Pick a tone and a reply streams in that actually answers the post, written in the same language as the post instead of generic AI mush.
3 FREE REPLIES EVERY DAY No API key, no credit card. Install it, open X, and your first reply is one click away. The free replies reset daily.
8 TONES PLUS POST TEMPLATES Support, Analyze, Witty, Inform, Question, Challenge, Humor, or Custom. On X you also get post templates: hot take, story hook, lesson, question hook, data drop.
IT READS THE THREAD FIRST ReplyKit looks at the post you're answering and the conversation above it, then writes something that fits. It also avoids the stock phrases that give away AI writing, so replies come out specific instead of interchangeable.
POLISH MY DRAFT Got a rough thought? Type it in the reply box and ReplyKit tightens it up while keeping your point and your voice.
Show the rest of the store description▾
ONE EXTENSION, THREE PLATFORMS Each platform gets its own style and length: short and punchy on X, professional on LinkedIn, casual on Reddit.
GO UNLIMITED WITH PRO 6.99 €/month removes the daily cap and switches you to Claude Sonnet, a smarter model that writes sharper drafts in your voice.
PRIVACY Generation runs through our hosted service, so there are no API keys to manage. To improve quality we may log prompt/reply pairs with no personal identifier attached, only a plan label. We never see your name, your account, or the URL of the post.
- Install ReplyKit and stop drafting replies in your head at 1am.
Extension profile
User Growth Trend
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.