# AI Reply Generator for X, in Your Own Voice

Source: https://trygrowx.app/features/replies (updated 2026-11-04)

GrowX is an AI reply generator for X that writes in your voice. On any post you are reading, it drafts three replies with different angles, you pick one, edit it if you like, and press X's own Reply button. Reply drafts are unlimited on Pro, and every reply is sent by you.

## What the AI reply generator does

Replies are the fastest way for a small account to be seen, because each one lands in front of the audience of the account you answer. The hard part is writing ten good ones a day. GrowX does the writing and leaves the judgement with you.

- **Three takes per post.** Each draft adds something: an example, a question or a respectful counterpoint. Generic praise like "Great post!" is ruled out in the prompt.
- **Your voice.** Drafts come from the same voice profile that writes your posts, built from your own past posts and shaped by every edit you make.
- **Rendered as X shows it.** Each draft appears as a reply card with your avatar and handle, so you see exactly what will go out.
- **Short by default.** Two sentences at most, unless you ask for a longer take.

## How it works, step by step

1. **Install the GrowX Chrome extension** and sign in. It works on the x.com pages you already use.
2. **Open a post you want to answer.** A "Draft reply" button sits in the post's action row.
3. **Read three drafts** written for that post and that author's register.
4. **Pick one and edit it** if a word is off. Your edits teach the voice profile.
5. **Press Reply on X.** The extension places the draft in X's own reply box and you send it.

You can also work from the Replies page in the web app, where GrowX lines up recent posts worth answering from your niche and drafts takes for each. From there you can post a reply through the X API, inside the daily allowance below.

## Who it is for

- Founders and builders with 200 to 20,000 followers who know replies work but run out of time.
- Anyone who wants a daily reply routine without sounding like a bot.
- People who care about account safety: GrowX never replies unattended, so the routine stays inside [X's automation rules](https://help.x.com/en/rules-and-policies/x-automation).

## Limits on the plan

| What                                           | Pro                            | Over the allowance                      |
| ---------------------------------------------- | ------------------------------ | --------------------------------------- |
| Reply drafts                                   | Unlimited                      | Included                                |
| Replies you send from x.com with the extension | Unlimited                      | Included                                |
| Replies GrowX posts for you through the X API  | 5 a day | 2 credits each |

Pro is $15 a month and includes 50 credits each month. The lifetime licence, from $39 to $99 once, runs on your own X app, where API replies are capped at 30 a day as a safety stop. Full details are on the [pricing page](https://trygrowx.app/pricing).

## Frequently asked questions

### Does GrowX post replies without me?

No reply goes out without a click from you. The extension drafts and you press Reply on X, or you approve a reply in the web app and GrowX posts that one reply through the X API.

### How many replies should I send a day?

Five to ten specific replies a day under fresh posts is a good routine for a small account. Our guide to [growing on X with replies](https://trygrowx.app/blog/how-to-grow-on-x-with-replies/) walks through it in 30 minutes a day.

### Will the replies sound like me?

They are written from your voice profile, which learns from your own posts and from every reply you edit. You can read and change the profile in plain language at any time.

### Is using an AI reply tool safe for my X account?

It stays safe when a person reads and sends every reply. X's automation rules target bulk, unattended replies. GrowX drafts one reply at a time for you to send, and never replies on a schedule.

### Can I try it before I sign up?

Yes. Paste any post into the free [AI reply generator](https://trygrowx.app/tools/reply-generator) and get three reply ideas, no account needed.

## Try it on a real post

Paste a post into the free [reply generator](https://trygrowx.app/tools/reply-generator) to see three takes in seconds. When you want replies in your own voice every day, [start your 3-day trial of GrowX](https://trygrowx.app/).