The essentials
ASO (App Store Optimization) covers the techniques that improve an app’s visibility in App Store and Google Play search results, and its conversion rate from listing views to installs. Unlike web SEO, ASO plays out on a small set of fields (title, keywords, description, visuals, reviews), but each one carries real weight. A poorly optimized listing can cut the conversion rate of an otherwise excellent app by half or more.
Why ASO differs from classic SEO
Web search engine optimization (SEO) and ASO share the same goal, being found and then chosen, but through different mechanics. A website has an almost unlimited number of pages and words to rank with; an app listing has a short title, a dedicated keywords field (on iOS) and a handful of visuals. The room to maneuver is narrower, which makes every decision more impactful.
A second structural difference: on the App Store, the description field isn’t indexed for ranking (only the title, subtitle and keywords field count), while on Google Play, the full description is indexed and factors into the algorithm. An effective ASO strategy therefore needs to be designed separately for each store rather than duplicated as-is.
Ranking factors on the App Store and Google Play
| Factor | App Store (iOS) | Google Play (Android) |
|---|---|---|
| App title | Indexed, high impact, 30 characters | Indexed, high impact, up to 30 characters |
| Dedicated keywords field | Yes, 100 characters, not user-visible | No dedicated field |
| Long description | Not indexed for ranking | Indexed, natural keyword density helps |
| Subtitle / short description | Indexed (subtitle, 30 characters) | Indexed (short description, 80 characters) |
| Ratings and reviews | Major ranking and conversion factor | Major ranking and conversion factor |
| Install velocity | Popularity signal taken into account | Popularity signal taken into account |
| Uninstall rate | Negative signal when high | Negative signal when high |
| Regular updates | Signal of quality and active maintenance | Signal of quality and active maintenance |
Optimizing the product page: what actually makes a difference
Icon, screenshots and preview video
The icon is the first element users see in search results, even before the title. It needs to stay legible at very small sizes and stand out visually from direct competitors. Screenshots are rarely browsed in order: the first two or three need to carry the main message, not secondary features. A short preview video (15 to 30 seconds) generally improves the listing’s conversion rate, provided it shows the app in real use rather than a disconnected marketing edit.
Title, subtitle and keywords field
The title should combine the brand name with a high-volume keyword, without falling into keyword stuffing, which hurts readability and can be penalized. On iOS, the dedicated (invisible to users) keywords field deserves serious research: avoid unnecessary repetition with the title, which wastes precious characters, and favor high-intent terms over overly competitive generic ones.
Ratings and reviews: the most underrated conversion lever
An app with a 4.5 average rating and several hundred reviews converts noticeably better than an equivalent app with 3.8 and a dozen reviews, even when similarly ranked. Asking for a review at the right moment (after a successful in-app action, never cold on first open) and replying to negative reviews with a genuine response rather than a generic message are two simple practices most publishers underuse.
Localization by market
A literal translation of a listing isn’t enough: search intent and the keywords that drive traffic vary from one market to another. An app targeting several countries benefits from a dedicated keyword search per language, not a plain translation of the French or English content.
ASO and A/B testing
Both stores offer native tools to test several listing variants (icon, screenshots, video) against a share of traffic before rolling out the winning version. This continuous iteration, rather than a listing frozen after launch, is what separates apps that keep gaining visibility from those that stall after an initial spike.
What ASO doesn’t replace
A great product page can’t make up for an app that disappoints in use: a confusing onboarding, excessive loading times (see our mobile app performance page) or recurring bugs translate directly into a high uninstall rate and negative reviews, both of which hurt ranking over time. ASO brings qualified traffic to the listing; product quality determines what happens next.
FAQ
How long does it take to see results from ASO?
The first effects on the listing’s conversion rate (icon, visuals, title) show up within days thanks to the stores’ native A/B testing. Improving ranking on competitive keywords generally takes several weeks to a few months, the time needed for popularity signals (installs, reviews, retention) to build up.
Does ASO work for a PWA too?
No, not directly: a Progressive Web App has no listing in the App Store or Google Play Store since it installs from a browser. Its visibility depends on classic web SEO, not ASO. See our PWA vs native comparison to choose the right approach for your distribution strategy.
Should I also invest in advertising (Apple Search Ads, Google Ads) alongside ASO?
It’s not mandatory but it’s complementary: advertising brings immediate volume while ASO works in the background, and installs from paid campaigns also improve the popularity signals used by organic ranking algorithms.
Neodigit: visibility designed in from the start
At Neodigit, ASO strategy is prepared as early as the design phase: name choice, onboarding structure, the moment reviews are requested, a predictable update cadence. A listing optimized after the fact rarely catches up with an app that was never designed with this dimension in mind.
Launching a new app or looking to improve an existing app’s visibility? Let’s talk.