# Subgrow

> Subgrow runs a company's own subreddit for it: one Reddit post a day, each written for a search the company's buyers make on Google, so the company is found on Google and quoted by AI search.

Facts checked on 2026-11-09. The same facts, for people: https://subgrow.ai/facts

## What Subgrow does

- You give Subgrow your website. It finds your three closest competitors and the searches your buyers make on Google, and suggests a subreddit name.
- It opens the subreddit with your brand's own Reddit account as the moderator. You never give Subgrow a password.
- It posts one answer a day there: a how-to, a comparison, a top-10 list or a question for the group, each written for one of those searches.
- Each post is ready a week early. You can read it, change it or skip it. If you do nothing, it goes out on its day.
- Your blog comes too: the 25 newest articles go into the subreddit first, then each new one.
- Visits from the posts show up in your own Google Analytics.

## What it costs

- **$99 a month** after a 7-day free trial, for the subreddit and 30 posts a month. You see your first post before you give a card. No setup fee.
- **$199 a month** adds comments: you keep the subreddit and its 30 posts, and get 170 credits a month. A comment is 10 credits, so that is 17 comments.
- Cancel anytime. Subgrow emails you three days before the first charge.

## How the comments work

- Subgrow finds Reddit threads that show up on Google for what your buyers search, and threads where people ask for a tool like yours. It doesn't comment in communities whose rules ban promotion.
- It writes one comment for each thread. Nothing goes up without your OK, and you can change any word.
- A creator who uses your product posts it from their own account, or one of Subgrow's established Reddit accounts does. It is never posted from your brand's account.
- If a comment isn't live within 3 days of your OK, or is taken down within 30 days, you don't pay for it.

## What Subgrow doesn't do

- It doesn't sell or buy upvotes. Reddit's rules forbid vote manipulation ([Reddit Help](https://support.reddithelp.com/hc/en-us/articles/360043066412)).
- It doesn't send Reddit DMs.
- It works on Reddit only: no X, LinkedIn or Quora.
- It doesn't track your rank inside each AI engine's answers.
- It posts in your subreddit once a day, not dozens of times.
- It can't promise a post stays up. Reddit's spam filter can remove a post even in your own subreddit.

## Results so far

- **AppFollow:** three weeks after the first post in [r/AppFollow](https://www.reddit.com/r/AppFollow/), Gemini answers picked the subreddit as their #1 source 19 times.
- **Cube:** two posts in [r/cubedev](https://www.reddit.com/r/cubedev/) were quoted 23 times in AI search answers from August to October 2026, as measured by Peec AI.
- **Recraft:** its articles got about ten times more views as posts in [r/howto_recraft](https://www.reddit.com/r/howto_recraft/) than on its own blog.
- Google can show a new post within hours. AI answers take a few weeks.
- ChatGPT is a different story from Google: its Search cited Reddit far less after August 2026 ([Promptwatch data](https://www.relevantaudience.com/geo/reddit-chatgpt-citation-drop-unexplained/)).

## When Subgrow fits

- Your buyers research on Reddit, and Google shows Reddit threads for the things they search.
- You want threads your brand owns and can put its name to, not comments in other people's threads.
- You don't have the time to write a good Reddit post every day.

## When something else fits better

- You only need to know when you're mentioned: use a monitor such as [Syften](https://syften.com), [Octolens](https://octolens.com) or the free [F5Bot](https://f5bot.com).
- You'll reply to threads yourself every day and want it cheap: a thread finder such as [Redreach](https://subgrow.ai/vs/redreach) or [Redship](https://subgrow.ai/vs/redship).
- You want Reddit's own free tools and will do the writing: [Reddit Pro](https://subgrow.ai/vs/reddit-pro).
- You want DMs to leads, or dozens of placed comments this week: Subgrow doesn't do either. See [the tools we've compared](https://subgrow.ai/compare).

## Who is behind it

- Subgrow is built by the team behind [Mentioned](https://mentioned.to).
- Email: [hello@subgrow.ai](mailto:hello@subgrow.ai). Subgrow's own subreddit is [r/Subgrow](https://www.reddit.com/r/Subgrow/).

## Pages

- [Home](https://subgrow.ai/): What Subgrow is and how it works.
- [Pricing](https://subgrow.ai/pricing): The plan and what is included.
- [Buy Reddit comments](https://subgrow.ai/buy-reddit-comments): How the comments plan works and what it costs.
- [Can you buy Reddit upvotes?](https://subgrow.ai/buy-reddit-upvotes): Why Subgrow doesn't sell upvotes, and what to do instead.
- [Reddit marketing tools compared](https://subgrow.ai/compare): How Subgrow differs from other Reddit tools, with prices read on each tool's site.
- [Your own subreddit vs commenting tools](https://subgrow.ai/compare/own-subreddit-vs-commenting-tools): The two ways to be in the Reddit result Google shows.
- [Free Reddit tools](https://subgrow.ai/tools): A banner resizer and a formatting preview, free, no sign-up.
- [Help](https://subgrow.ai/help): How to do things in Subgrow, step by step.
- [What's new](https://subgrow.ai/changelog): What shipped, by date.
- [Blog](https://subgrow.ai/blog): Articles on Reddit marketing.

## Comparisons

- [Subgrow vs ReddGrow](https://subgrow.ai/vs/reddgrow): ReddGrow tracks what AI answers say about you and drafts comments, articles and videos to change them, across Reddit, LinkedIn, YouTube and your blog.
- [Subgrow vs Bazzly](https://subgrow.ai/vs/bazzly): Bazzly finds Reddit threads where people ask for a product like yours and posts comments, posts and upvotes through its own warmed-up accounts, on autopilot, paid for in credits.
- [Subgrow vs CrowdReply](https://subgrow.ai/vs/crowdreply): CrowdReply tracks how AI assistants talk about your brand and sells Reddit comments and posts, which you write and it publishes from its own network of established accounts, paid per placement in credits.
- [Subgrow vs Engain](https://subgrow.ai/vs/engain): Engain finds Reddit threads where people ask for a product like yours, posts comments and posts from its pool of aged, high-karma accounts, and sells upvotes to lift them, on a monthly plan that includes credits.
- [Subgrow vs Redreach](https://subgrow.ai/vs/redreach): Redreach finds Reddit threads with buying intent, including ones that rank on Google, and suggests replies you post yourself from your own account. It also sends bulk DMs.
- [Subgrow vs Redship](https://subgrow.ai/vs/redship): Redship checks Reddit every morning for threads asking for what you sell, scores them, suggests a reply for you to post, and tracks which threads Google ranks and AI assistants cite.
- [Subgrow vs ReplyGuy](https://subgrow.ai/vs/replyguy): ReplyGuy finds conversations on Reddit, X and other sites where your product fits and posts AI-written replies that mention it; on Reddit it posts from accounts it buys.
- [Subgrow vs Reddit Pro](https://subgrow.ai/vs/reddit-pro): Reddit Pro is Reddit's own free set of tools for businesses: a business profile, keyword tracking, and numbers on how your posts and comments do.

## Free tools

- [Reddit shadowban checker](https://subgrow.ai/tools/reddit-shadowban-checker): See whether a Reddit account is visible to other people, suspended, or gone, and what no outside check can tell you.
- [Reddit Markdown formatter](https://subgrow.ai/tools/reddit-formatting): Write a post or comment and see how Reddit's Markdown will show it, with every piece of syntax in one table.
- [Reddit username generator](https://subgrow.ai/tools/reddit-username-generator): Names from words you pick, all within Reddit's rules, with a check that the one you like is still free.
- [Reddit advanced search](https://subgrow.ai/tools/reddit-advanced-search): Fill in what you're looking for and get a Reddit search with the right operators, opened on Reddit.
- [Best time to post on Reddit](https://subgrow.ai/tools/best-time-to-post-on-reddit): When a subreddit's most upvoted posts went up, by day and hour, with the number of posts behind it.
- [Subreddit stats](https://subgrow.ai/tools/subreddit-stats): Members, activity, posts a day, top posts and a summary of the rules, for any public subreddit.
- [Reddit banner size and resizer](https://subgrow.ai/tools/reddit-banner-size): The sizes Reddit asks for a community banner and icon, and a resizer that crops your picture to them. The picture never leaves your browser.
- [Reddit ads cost calculator](https://subgrow.ai/tools/reddit-ads-cost-calculator): What a Reddit ads budget buys in views, clicks and sign-ups, from rates you can change, with every assumption shown.
- [Reddit account analyzer](https://subgrow.ai/tools/reddit-account-analyzer): A Reddit account's public karma, age, posts against comments, and the subreddits it's most active in.
- [Reddit post template generator](https://subgrow.ai/tools/reddit-post-template): A post skeleton for one subreddit and one goal, shaped by its rules and the posts that do well there.
- [Subreddit rules checker](https://subgrow.ai/tools/subreddit-rules-checker): Paste your post and see which of a subreddit's rules it likely breaks, with each rule quoted.
- [Subreddit finder](https://subgrow.ai/tools/subreddit-finder): Describe your product or audience; get subreddits ranked by fit, with size and their stance on promotion.
- [ChatGPT Reddit citation checker](https://subgrow.ai/tools/chatgpt-reddit-citation-checker): Ask a question the way your buyers would. See, live, which sources ChatGPT cites and whether any are Reddit threads.