Aso
An App Store and Google Play listing auditor for AI agents — it fetches your live listing, scores six weighted dimensions, and returns a prioritized fix list with exact character counts. Point your agent at it when downloads are lagging and you want to know precisely what to change in your title, screenshots, or description.
Installs the full library — Aso included
An ASO audit scores a listing across six weighted dimensions — Title & Subtitle (20%), Description (15%), Visual Assets (25%), Ratings & Reviews (20%), Metadata & Freshness (10%), and Conversion Signals (10%) — for a total out of 100. Scoring adjusts for brand maturity: a household-name app with a brand-only title isn't penalized the way a challenger would be. Platform rules differ sharply: Apple's long description isn't indexed for search (optimize it for conversion) while Google Play's full description is indexed (target 2–3% keyword density naturally). Visual assets carry the most weight — the first 3 screenshots show in search and 90% of users never scroll past them, and an iOS preview video lifts conversion 20–40%.
What's inside
The playbook covers
Reference library — 5 deep-dives
Key data
The recommendations are grounded in benchmarks, not opinion:
See it in action
“Here's our app on the App Store: https://apps.apple.com/us/app/example/id123456789. Can you audit our listing and tell me what to fix?”
Dimension Weight Score Title & Subtitle 20% 6/10 Description 15% 5/10 Visual Assets 25% 4/10 Ratings & Reviews 20% 3/10 Metadata & Freshness 10% 6/10 Conversion Signals 10% 7/10 Weighted total: 47/100 — Grade D
1. Rating is 2.8 (below 4.0) — add in-app review prompts, respond to negatives 2. Description not updated in 8 months — refresh to break the >3mo stale signal 3. Only 3 screenshots — add 5-8 with caption text (indexed on Apple since 2025)
FAQ
Do screenshots and a preview video really affect app downloads?
Yes — Visual Assets is the single heaviest dimension at 25% of the score. The first 3 screenshots appear in search results and 90% of users never scroll past the third, and Apple has indexed screenshot captions for search since June 2025. An iOS preview video autoplays muted and lifts conversion 20–40%. Aim for 5–8 caption-bearing screenshots plus a 15–30s video; fewer than 5 screenshots is always flagged.
How is App Store optimization different from Google Play?
The indexing rules diverge. Apple indexes your title, subtitle, and a hidden 100-byte keyword field, but not the long description — so write that for conversion. Google Play has no hidden keyword field and does index the full 4,000-character description, so target 2–3% keyword density naturally (stuffing is detected and penalized). Google Play also caps screenshots at 8 versus Apple's 10 and requires a 1024x500 feature graphic.
Should a big-brand app worry about missing keywords in its title?
Usually not. Audits classify apps into Dominant, Established, and Challenger tiers. For a Dominant app like Instagram, a brand-only title is valid because users search by brand name, not generic keywords — the brand is the keyword. The guiding question before docking points is "Is this a mistake, or a deliberate choice by a team with data I don't have?" Challenger apps, by contrast, are scored strictly against textbook best practices.
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