What is App Store Optimisation (ASO)?
App store optimisation is the practise of improving a mobile application's visibility and conversion within the App Store and Google Play. By refining keywords, titles, descriptions, screenshots and ratings, teams increase the number of organic downloads they earn and lower their user acquisition costs.
How does app store optimisation work?
App store optimisation, commonly shortened to ASO, is the process of improving how a mobile application ranks and converts inside the App Store and Google Play. It works on two levels. The first is discoverability - helping the right people find your listing through relevant keywords in the title, subtitle and description. The second is conversion - persuading those people to actually install once they arrive, through compelling screenshots, a clear icon, a short demonstration video and strong ratings.
The store algorithms weigh signals such as keyword relevance, download velocity, retention and review sentiment. Because of this, ASO is never a one-off task. It is an ongoing cycle of testing listing elements, measuring the install rate and iterating on what performs best.
Why does ASO matter?
The majority of app installs still begin with a search inside the store itself, so a listing that does not surface for relevant terms is invisible to a large share of potential users. Strong ASO compounds: a higher organic install rate reduces how much you need to spend on paid acquisition, which improves unit economics across the whole product. It also amplifies paid campaigns, because traffic you pay to send to a poorly converting listing is wasted.
What are the main elements of ASO?
Effective optimisation covers both the metadata the algorithm reads and the creative the user sees:
- Keywords - researched terms placed in the title, subtitle and keyword field.
- Title and subtitle - clear, benefit-led and within character limits.
- Screenshots and preview video - the single biggest lever on conversion.
- Icon - distinctive and legible at small sizes.
- Ratings and reviews - social proof that influences both ranking and trust.
- Localisation - adapting the listing for each target market.
What are ASO best practices?
Treat the listing as a product surface, not a brochure. Research keywords against real search volume rather than guessing, and revisit them as the market shifts. Test one creative variable at a time using the store's own experiment tools so you can attribute the result. Prompt happy users for reviews at a natural moment in the experience, and respond to negative reviews to recover sentiment. Localise for each market you genuinely intend to serve rather than translating everything indiscriminately.
How PixelForce approaches app store optimisation
At PixelForce, ASO is part of how we set a product up to succeed at launch and beyond. During Phase 2 - Development, QA and Release, our in-house Adelaide team prepares the store listing alongside the build so the app arrives with researched keywords and conversion-led creative rather than placeholder copy. We have shipped 100+ products and maintain a 98% first-time app-store approval rate, which keeps releases on schedule. Post launch, ASO feeds into the broader app data analytics work we run for clients, and where a product needs deeper paid-channel strategy we connect it to our mvp app development roadmap so growth and product evolve together.
Where this applies
The PixelForce services where App Store Optimisation (ASO) matters most - explore how we put it to work in client products.
Related terms
Other glossary definitions closely related to App Store Optimisation (ASO).
Frequently asked questions
ASO optimises a listing inside the App Store and Google Play, while SEO optimises web pages for search engines such as Google. The two share the principle of keyword relevance, but the ranking signals differ. ASO weighs download velocity, retention and ratings heavily, whereas SEO weighs backlinks, page content and technical health. Both aim to win qualified, organic visibility.
Metadata changes such as keywords can influence rankings within days to a few weeks as the store re-indexes the listing. Creative changes that lift the conversion rate show up faster in install data, often within a single test cycle. Building durable ranking through download velocity, retention and reviews is a longer process measured over months of consistent iteration.
Yes, although the two stores behave differently. The App Store uses a dedicated keyword field and weighs the title and subtitle, while Google Play indexes the full description text. Google Play also exposes more flexible listing experiments. A sound ASO approach tailors keywords and creative to each store rather than copying one listing across both.
Yes. A higher organic install rate means more downloads arrive without media spend, which lowers your blended cost per install. Strong ASO also improves the conversion rate of paid traffic, because users you pay to send to the listing are more likely to install when the creative and reviews are compelling. The two channels reinforce each other.
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