ASO StudioASO tools
ASO stands for App Store Optimization. An ASO tool tells you which search terms are worth taking, and which are already gone.
The short answer
Every keyword sits on two axes: how many people search it, and how hard the apps already holding it are to displace. An ASO tool measures both, tracks where you place for each term, and shows who you are up against. Three corners of that plot are traps. The whole job is finding the fourth.
Check your app freeTerms nobody searches are safe and worthless. Terms everyone searches are held by apps a hundred times your size. The work is in the corner between them.
What one measures
Four things, and they only work together.
Any one of these on its own will send you at a keyword you cannot win.
- 01
Search demand
How many people type a term. Apple publishes none of this, so every tool estimates it from live search behaviour. Treat the number as a way to rank terms against each other, not as a count.
Ask what the estimate is built from before you trust it.
- 02
Ranking difficulty
How hard the apps already holding a term are to displace. Built from their rating volume, how many of them target the term, and how saturated the results are.
High demand with high difficulty is a trap, not an opportunity.
- 03
Live rank tracking
Where you actually place for each term today, and which way it moved. Without this you are guessing at whether anything you changed worked.
Look for position history, not just a position.
- 04
Competitor and category reads
Which apps do what yours does, what they rank for, and how big the category is before you commit to competing in it.
A term list with no competitor context cannot tell you what is winnable.
Read this before you buy one
Apple publishes no search volume.
None. Every popularity or demand figure in every ASO tool on the market is modeled from public signals: how readily the store surfaces a term in live search, how many apps compete for it, and how large those apps are. That does not make the numbers useless. It makes them useful for ranking terms against each other and wrong to read as counts.
- Demand and difficulty scored together, never one without the other.
- Live rank tracking with history, so you can tell whether a change worked.
- Competitor and category context around every term.
- A plain statement of which figures are modeled estimates.
Related questions
What people ask next.
What is an ASO tool?
An ASO tool measures how apps get found in App Store search. It scores keywords for how many people search them and how hard they are to rank for, tracks where your app places for each one, and shows which competitors already hold them, so you can choose terms you can realistically win.
What does ASO stand for?
App Store Optimization. It is the practice of getting an app found in store search and browse, which is where most app discovery still happens. It is the app equivalent of SEO.
Does Apple publish App Store search volume?
No. Apple publishes no search-volume numbers for the App Store, so every popularity or demand figure in every ASO tool is a modeled estimate. The honest ones say so and explain what the estimate is derived from.
Are ASO tools worth it for indie developers?
They are worth it once you are choosing between terms rather than guessing at one. A tool pays for itself the first time it stops you spending your app name on a keyword that has no search traffic, or on one held by an app a hundred times your size.
What should I look for in an ASO tool?
Demand and difficulty scored together, live rank tracking with history, competitor and category context, and a clear statement of which figures are estimates. Anything presenting modeled numbers as Apple's own is worth being careful with.