Complete App Store Optimization (ASO) toolkit for researching, optimizing, and tracking mobile app performance on Apple App Store and Google Play Store
54
Quality
31%
Does it follow best practices?
Impact
94%
1.22xAverage score across 3 eval scenarios
Advisory
Suggest reviewing before use
Optimize this skill with Tessl
npx tessl skill review --optimize ./skills/antigravity-app-store-optimization/SKILL.mdApple App Store metadata optimization
Title character limit
100%
100%
Subtitle character limit
100%
100%
Promotional text character limit
100%
100%
Keywords field character limit
100%
100%
Keywords field no spaces after commas
100%
100%
Keywords field no plurals
100%
100%
Keywords no title overlap
100%
100%
Keywords field near-maximal usage
100%
100%
Description structure: Hook
100%
100%
Description structure: Features and CTA
100%
100%
Front-loaded keywords in title
100%
100%
Description length
100%
100%
Without context: $0.2986 · 1m 24s · 11 turns · 60 in / 5,108 out tokens
With context: $0.9781 · 4m 53s · 16 turns · 15 in / 21,651 out tokens
A/B test design for store visual assets
Icon tested first
100%
100%
One element at a time
100%
100%
50/50 traffic split
0%
100%
Icon minimum effect size
0%
100%
Screenshot minimum effect size
0%
100%
Standard confidence level
100%
100%
Icon recognizability consideration
100%
100%
Screenshot ordering rationale
0%
0%
Screenshot captions mentioned
0%
20%
Primary metric specified
100%
100%
Without context: $0.3443 · 1m 57s · 12 turns · 12 in / 5,979 out tokens
With context: $1.0363 · 3m 13s · 31 turns · 73 in / 11,794 out tokens
ASO health score and keyword strategy
Four ASO score dimensions
50%
100%
Equal dimension weights
0%
100%
Overall score 0-100
100%
100%
Score interpretation label
25%
100%
Google keyword field clarification
100%
100%
Long-tail keyword recommendations
100%
100%
Volume vs competition balance
100%
100%
Relevance-first principle
100%
100%
Quarterly review cadence
100%
100%
Priority actions ordered
100%
100%
Strengths and weaknesses
100%
100%
Apple keyword field addressed
100%
100%
Without context: $0.4608 · 3m 21s · 12 turns · 13 in / 9,355 out tokens
With context: $1.0076 · 4m 26s · 25 turns · 274 in / 14,438 out tokens
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Table of Contents
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