Find where to promote your app

Growth Engine scans Reddit and X for the exact conversations where people are already asking for, complaining about, or recommending an app like yours — so you can show up with a genuine answer instead of shouting into the void.

Scans Reddit + XRanked by buying intentAI-drafted replies
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Duolingo

Duolingo

Today's opportunities · Reddit + X

2 new
RedditHigh engagementr/languagelearning·2d181260

Language learning app you have the best experience with

I know this question was asked numerous times but I'm very interested to hear your opinions. So what apps helped you the most to reach your desired level in a foreign language?

ReplySaveRepliedOpen on Reddit
XNew@VampyBitme·6h764113

I think it's finally time. What's the best way to learn Japanese?

ReplySaveRepliedOpen on X

Quick answer

The most effective way to promote your app for free is to join the conversations where people are already asking for it. Growth Engine is an app promotion tool that continuously searches Reddit and X for posts where real people want an app like yours, ranks each thread by how ready the person is to try something, tells you why it matched, and drafts a helpful, non-spammy reply — turning "I don't know where to promote my app" into a daily list of warm conversations to join.

How it works

From published to promoted in three steps

1

Describe your app

Paste your App Store or Play Store URL, or just your keywords. Growth Engine learns what your app does and who it's for — no manual keyword lists to maintain.

2

Get a daily feed of warm threads

Every day we surface fresh Reddit and X posts where people are asking for exactly what you built, each scored by buying intent and tagged with why it matched.

3

Reply and grow

Open the thread, use the AI-drafted reply as a starting point, and join the conversation as a real person. Save the best threads and track what you've already answered.

The basics

Publishing isn't launching

You hit Publish and the installs didn't come. That's normal — the app stores don't send traffic to apps nobody is searching for yet. The fastest, cheapest users come from the places where people are already describing the problem your app solves, in their own words, today.

The catch is those conversations are scattered across thousands of subreddits and a firehose of posts on X, and they scroll away in hours. Finding them by hand is a second job. Growth Engine does that search continuously and brings the handful that actually matter to you.

Because every match comes with the reason it surfaced and a draft reply, you spend your time being helpful in the right rooms instead of hunting for them. That's how indie apps get their first hundred real users without an ad budget.

The difference

Finding warm threads by hand vs. with Growth Engine

By handWith Growth Engine
Finding the threadsSearch dozens of subreddits and X every day, scroll for hours, and wade through mostly-irrelevant posts.A daily feed of only the threads that match your app, gathered for you automatically.
Knowing what's worth itGuess which posts have real buying intent and which are just people venting.Every thread scored by intent, so the person ready to try something rises to the top.
Platform coverageTrack Reddit and X separately, and still miss posts that scroll away within hours.One continuous scan spans the relevant subreddits and X, so nothing slips past.
Writing the replyStart every reply from a blank box and risk sounding like an ad.A helpful, human-sounding draft for each thread that mentions your app only where it fits.
Staying organizedLose track of where you've already posted and what actually worked.Save the best threads and mark what you've answered, all in one place.

What Growth Engine does for you

A single workspace that turns the whole internet's app-shaped conversations into a short, prioritized to-do list.

1

Intent-ranked results

Not every mention is worth your time. Each thread is scored so the person actively looking for a solution rises above the person just venting.

2

Reddit + X coverage

One scan spans relevant subreddits and X conversations, so you're not maintaining separate searches on separate platforms.

3

Why it matched

Every result explains the signal it caught — a feature request, a competitor complaint, a 'does anything do X?' question — so you reply with context.

4

AI-drafted replies

Start from a helpful, human-sounding draft that mentions your app naturally. Edit and post — no cringe, no copy-paste spam.

5

Daily fresh scans

New threads surface every day and stale ones drop off, so your feed is always the freshest opportunities, not last month's.

6

Save & track

Bookmark the best threads, mark what you've replied to, and keep a running record of where your app is being discussed.

Who it's for

Built for anyone promoting an app without an ad budget

If you've shipped an app and the installs aren't coming, Growth Engine turns the internet's app-shaped conversations into your daily promotion list.

1

Indie developers post-launch

You published, the store isn't sending traffic, and you have no ad budget. Growth Engine finds your first hundred users in conversations that already exist.

2

Solo founders & makers

You're marketing in the gaps between building features. A daily list of warm threads means promotion takes minutes instead of becoming a second job.

3

App marketers & growth teams

You need repeatable, non-spammy community reach across Reddit and X. Intent scoring and drafts let outreach scale without burning goodwill.

Key facts

Growth Engine at a glance

  • The cheapest first users come from conversations that already exist — people describing your app's problem in their own words.

  • Growth Engine scans Reddit and X continuously, not just once, so opportunities don't scroll away before you see them.

  • Every thread is scored by intent, so you spend time on the people most likely to actually try your app.

  • AI-drafted replies give you a helpful, human starting point — you're joining conversations, not spamming them.

Frequently asked

Growth Engine, answered

Where does Growth Engine find these conversations?

It searches Reddit and X for public posts that match what your app does — feature requests, complaints about competitors, and 'is there an app that…' questions. You get a daily feed of the freshest, highest-intent threads.

Is this spam? Will I get banned from subreddits?

No. Growth Engine points you to relevant conversations and drafts a genuinely helpful reply that mentions your app only where it fits. You post as yourself, edit the draft, and add real value — the opposite of blasting links.

Do I need to build keyword lists?

No. Paste your store URL or a short description and Growth Engine figures out the topics and phrasing people use. It keeps scanning without you maintaining anything.

How is this different from just searching Reddit myself?

Manual search means checking dozens of subreddits every day and reading through mostly-irrelevant posts. Growth Engine does that continuously, filters to the threads that match your app, scores them by intent, and drafts a reply — so you spend your time responding instead of hunting.

Which subreddits and platforms does it cover?

It scans the subreddits relevant to your app's topic plus X, rather than a fixed list you maintain. As it learns what your app does, it widens or narrows where it looks, so coverage follows your niche.

Is it free?

You can start for free and set up your first scan without a credit card. Create an account to run your first daily feed and reply to threads.

Find your app's audience today

Create a free ReachFront account and get your first daily feed of warm Reddit and X threads to join.

Try it out now