How to Promote Your Mobile App for Free

Paid user acquisition is expensive, and for an early-stage app it is often the wrong first move. Before you spend on ads you need to know who your users are, which message gets them to install, and whether they stay. Free promotion channels answer those questions while bringing in your first users.

"Free" here means no media budget. Every tactic below still costs time, and some take weeks to show results. They do build on each other, though: a well-optimised store listing, a steady stream of reviews and a small community keep working long after launch week.

Below are the free channels that still work in 2026 for iOS and Android apps, in roughly the order we recommend tackling them.

Start with the product, not the promotion

If people install the app and leave within a minute, every channel below just speeds up churn and fills your store page with poor ratings. Before you push for installs, check three things:

• Onboarding gets people to value fast. Ask for as little as possible before the user sees what the app does, and defer sign-up and permission prompts until they are needed.
• The app is stable. Crash-free sessions affect ratings and store rankings on both platforms.
• You can measure retention. Set up analytics for installs, activation and day-one and day-seven retention before launch, so you can tell which channels bring users who stay.

If the first experience needs work, fixing it now is usually cheaper than buying or earning the same users twice. Good UX design for startups pays back across every channel that follows.

1. App Store Optimization (ASO)

ASO does for app stores what SEO does for search engines. For most apps it is still the free channel with the highest return, because a large share of installs start with a search inside the store.

Metadata

• Name: combine your brand with a short description of what the app does when space allows. People search for the problem they have, rarely for your brand.
• App Store subtitle and keyword field: on iOS both are indexed, including the hidden keyword field. Use them for relevant terms that aren't already in the name, and don't repeat words across fields.
• Google Play short and full description: on Android the description text is indexed, so write it for people and let the phrases they search for appear naturally. Keyword stuffing hurts conversion and can violate store policies.
• Localization: localising your store listing for your main markets is one of the cheapest ways to reach new users, even before you translate the whole app.

Visuals

Most visitors decide from the icon and the first two or three screenshots. Treat the screenshots as a short story: the main benefit first, then the features that support it, each with a brief caption. A short preview video helps for apps whose value is easier to show than to describe.

Testing

Both stores give you free tools to test what works. Google Play Console offers store listing experiments and custom store listings for different audiences or countries. Apple's App Store Connect supports product page optimization tests and custom product pages you can link to from specific campaigns. Change one element at a time, run each test long enough to get a clear result, and keep a log of what you tried.

2. Ratings and reviews

Ratings affect both ranking and conversion. People rarely leave a review unprompted, so you need a deliberate system:

• Use the native in-app review prompts: StoreKit's review request on iOS and the In-App Review API on Android. Users can rate without leaving the app. Both platforms limit how often the prompt appears, so pick the moment carefully.
• Ask right after a success, such as a completed task, a finished workout or a delivered order. First launch and the moment after an error are bad times to ask.
• Don't offer incentives for reviews, and don't filter users so only happy ones are asked to rate. Both stores prohibit this.
• Reply to reviews, especially negative ones. A calm, specific answer shows prospective users that someone is listening, and users can update their rating after a fix.

3. Store features and in-store promotion

You can't buy a feature from the editorial teams, but you can make one more likely. Apple accepts featuring nominations from developers through App Store Connect for new apps and significant updates, and Google Play has its own editorial programmes. Editors favour apps that are well designed, use current platform capabilities, support accessibility and are localised.

The stores also give you free promotional surfaces you control. In-app events on the App Store and promotional content on Google Play show time-limited events, challenges or major updates directly in search results and on your product page. Few teams use them, and they work well for bringing existing and lapsed users back.

4. Your website and search

A simple, fast landing page for the app still matters. Journalists, partners and search engines get something to link to, and you catch people who find you outside the stores.

• Explain the problem the app solves in plain language, with real screenshots and store badges.
• Add Smart App Banners on iOS and deep links on both platforms, so mobile visitors can install or open the app in one tap.
• Publish helpful content about the problem your app solves: guides, templates, comparisons. Search traffic grows slowly but costs nothing per visit.
• Collect emails from people who aren't ready to install yet. A launch announcement to a warm list is one of the most reliable sources of first-day installs.

More and more searches happen through AI assistants as well as classic search engines. Both tend to surface clear, factual pages that answer specific questions.

5. Communities and launch platforms

Your first hundred users usually come from places where your audience already gathers: niche subreddits, Discord and Slack communities, professional forums, LinkedIn groups and local meetups.

• Join and contribute before you promote. Communities quickly learn to ignore accounts that only post links.
• Read each community's rules on self-promotion. Many have a dedicated thread or day for it.
• Launch on platforms such as Product Hunt if your audience is there. Prepare a clear tagline and a short demo in advance, and have the team ready to answer comments all day.
• Tell the story behind the app. Building in public, with honest updates on what you learned, often attracts early adopters and other founders who help spread the word.

6. Social media and short video

For consumer apps, short vertical video is one of the strongest free discovery channels. It needs no production budget. Screen recordings with a clear hook, real use cases and quick tips often do better than polished brand videos.

Pick one or two platforms where your audience actually spends time and post consistently there, instead of spreading thin across all of them. For B2B apps, LinkedIn posts by founders tend to work better than company pages. Track which posts lead to installs, and look past the view counts.

7. PR and creator outreach

Coverage from a respected blog, newsletter or creator can bring a burst of installs and backlinks that last. It takes preparation:

• Make a short list of writers and creators who cover your category, and read what they publish.
• Send a short, personal pitch: what is new, why their audience would care, and a link to a press kit with screenshots, the icon and a demo video.
• Offer something useful in return, such as early access, data from your product or an expert comment.
• Follow up once, politely, then move on.

Some outlets and creators charge for coverage. Paid placements must be disclosed, so if you go that route, treat it as advertising and budget for it accordingly.

8. Referral loops and built-in sharing

The cheapest users are the ones your existing users bring. Look for natural sharing moments inside the product:

• Invite flows for collaborative apps, where the app is more useful with friends or colleagues.
• Shareable results such as reports, routes, playlists or achievements, with a link back to the app.
• Referral rewards that give something to both sides, such as extended trials or premium features.

Make the shared content look good outside the app, with a proper link preview and a landing page for people who don't have the app yet.

9. A free tier or trial

A paid-upfront app is hard to promote with zero budget, because every install requires a stranger to decide to pay. A free version, a freemium model or a trial lowers that barrier and lets the app sell itself. Put enough value in the free tier that people get hooked, and give them clear, convincing reasons to upgrade.

10. Cross-promotion and partnerships

If you already have other apps, a website with traffic or a newsletter, promote the new app there. Beyond your own assets, look for non-competing products with the same audience and suggest simple swaps: a mention in each other's newsletters, a joint guide, or an integration that benefits both user bases.

Measure, then double down

Free channels compete for your scarcest resource, which is time. Judge each one by the users it brings who stay, and ignore impressions. Campaign links and the free analytics in App Store Connect and Google Play Console show where installs come from, so you can compare retention by source.

After a few weeks one or two channels will clearly outperform the rest. Spend most of your time there, and only then consider paid campaigns to amplify what already works.

Conclusion

Promoting an app without a budget comes down to steady work on a few things: a store listing that converts, a regular flow of honest reviews, a presence where your users already gather, and a product good enough that people share it. These tactics have been around for years, and they still build a user base in 2026.

Promotion also depends on how the app is built. Deep links, sharing, review prompts and analytics are much easier to design in than to retrofit. Our teams build mobile apps for startups natively and with cross-platform frameworks such as Flutter, with these growth features planned from the first release.

If you are preparing a launch or trying to understand why installs don't turn into active users, get in touch with our team. We are happy to review your app and store presence and suggest where to start.