The ASO workbench
Free ASO tools. Useful work, no signup.
Check a draft, investigate a problem or plan your next experiment. These tools make their rules visible and keep your inputs in your browser.
App store metadata checker
Check iOS and Google Play listing text, field lengths and missing information before opening the console.
Open tool →02 / Free toolApp Store keyword-field builder
Clean duplicate keyword entries, see overlap with your title and subtitle, and build an editable keyword field.
Open tool →03 / Free toolApp store screenshot checker
Check local screenshot files for dimensions, format and transparency against selected store requirements.
Open tool →04 / Free toolInteractive ASO audit checklist
Record evidence, distinguish problems from unknowns, and export an audit worksheet for your app.
Open tool →05 / Free toolASO experiment planner
Turn a listing hypothesis into a practical experiment brief with a metric, decision rule and owner.
Open tool →06 / Free toolApp store conversion calculator
Explore how a hypothetical conversion-rate change could affect downloads for a fixed number of listing visitors.
Open tool →Start with a question, not a score
Field lengths and image dimensions have concrete checks. Relevance and conversion need evidence and judgment. These tools help you prepare the work; they do not invent search volume, predict rankings or fetch private console data.
New to ASO? Work through the free ASO course. If you already have a listing and want a prioritized professional review, explore the ASO audit service.