Free ASO keyword research

App Store Keyword Tool

Find the keywords any iOS app ranks for, uncover untapped ASO opportunities, and compare your keyword strategy against competitors — free, across 55+ App Store countries.

Read the ASO guide

How App Store keyword research works in Appstro

  1. 1

    Search for an app

    Look up your app or any competitor by name across more than 55 App Store storefronts.

  2. 2

    Open keyword analysis

    See the keywords the app ranks for, along with rankings and competition signals.

  3. 3

    Find opportunities

    Spot high-value keywords your competitors rank for that you are missing, and refine your title, subtitle and keyword field.

What you can do with the keyword tool

Keyword discovery

See which keywords drive installs for any app and add them to your ASO plan.

Competitor benchmarking

Compare keyword coverage between your app and the top apps in your category.

55+ countries

Research keywords per storefront — what wins in the US may differ in Japan or Brazil.

Ranking insight

Combine keyword data with rankings, ratings and reviews for a full ASO picture.

Why App Store keywords matter

The majority of App Store downloads start with a search. Ranking for the right keywords in your app title, subtitle and keyword field is one of the highest-leverage things an indie developer or ASO team can do to grow organic installs without paying for ads.

  • Higher visibility for searches your ideal users actually type
  • More qualified, lower-cost organic installs
  • A data-backed way to prioritise your title, subtitle and keyword field

App Store keyword tool FAQ

Is the App Store keyword tool free?

Yes. You can research keywords and analyze competitors with Appstro for free.

Which app stores are supported?

Appstro focuses on the Apple App Store and covers more than 55 country storefronts.

Do I need to sign up?

No account is required to search apps and run keyword analysis.

Start your free App Store keyword research

Search any app and open keyword analysis in seconds.