Optimize an app's store listing for maximum visibility and downloads — keyword strategy, title and subtitle optimization, screenshots, preview videos, rating and review management, and A/B testing…

MITAuto-check passedMarketing & SEO

Install Aso

skills CLI
$ npx skills add arnabbagxd/Brand-building-skills --skill aso -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install arnabbagxd/Brand-building-skills aso --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/arnabbagxd/Brand-building-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/aso .claude/skills/aso && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
aso
GitHub stars
724
Token cost
~2.4k tokens
SKILL.md length
1,227 words
Files
1
Skills in repo
29
Repo updated
First seen
Licence
MIT

At a glance

Optimize an app's store listing for maximum visibility and downloads — keyword strategy, title and subtitle optimization, screenshots, preview videos, rating and review management, and A/B testing…

  • Works in 8 steps: KEYWORD RESEARCH AND STRATEGY → TITLE AND SUBTITLE OPTIMIZATION → DESCRIPTION OPTIMIZATION → …
  • The user says ASO
  • SKILL.md covers Before You Start, ASO = SEO + CRO for App Stores, Information to Gather and Output: ASO Optimization Plan, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Aso is an agent skill from arnabbagxd/Brand-building-skills. Optimize an app's store listing for maximum visibility and downloads — keyword strategy, title and subtitle optimization, screenshots, preview videos, rating and review management, and A/B testing on the App Store (iOS) and Google Play (Android). Use when the user says "ASO", "app store optimization", "optimize my app listing", "improve app store ranking", "app store keywords", "app store screenshots", "app store rating", "Google Play optimization", "app visibility", "increase app downloads", "app store SEO"…

Its SKILL.md is about 2.4k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Marketing & SEO, covering App store release. It works with Android and iOS. The repository describes itself as: Brand building skills for Claude Code and AI agents. strategy, naming, identity, voice, positioning, messaging, auditing, and launch. The licence is MIT.

When your agent uses it

  • The user says ASO
  • App store optimization
  • Optimize my app listing
  • Improve app store ranking

Example prompts

  • “app store optimization”
  • “optimize my app listing”
  • “improve app store ranking”
  • “/aso”

Workflow steps

8 steps, taken from the step headings in SKILL.md.

  1. KEYWORD RESEARCH AND STRATEGY
  2. TITLE AND SUBTITLE OPTIMIZATION
  3. DESCRIPTION OPTIMIZATION
  4. SCREENSHOTS AND PREVIEW VIDEO
  5. RATINGS AND REVIEW STRATEGY
  6. A/B TESTING ON THE APP STORE
  7. CATEGORY AND METADATA OPTIMIZATION
  8. ASO METRICS AND MONITORING

What it can do on your machine

Read from SKILL.md and the folder at commit 4a0a8b5. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Aso loads about 2.4k tokens when it runs. Until then it costs about 166 tokens; SKILL.md has 1,227 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~166
When it runs · the whole SKILL.md, loaded when a task matches
~2.4k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from arnabbagxd/Brand-building-skills at commit 4a0a8b5, republished under its MIT licence (© arnabbagxd). 1,227 words, ~2,402 tokens.

Download SKILL.mdSave it as .claude/skills/aso/SKILL.md (or your agent's skills folder).
name
aso
description
Optimize an app's store listing for maximum visibility and downloads — keyword strategy, title and subtitle optimization, screenshots, preview videos, rating and review management, and A/B testing on the App Store (iOS) and Google Play (Android). Use when the user says "ASO", "app store optimization", "optimize my app listing", "improve app store ranking", "app store keywords", "app store screenshots", "app store rating", "Google Play optimization", "app visibility", "increase app downloads", "app store SEO", "app store conversion", "my app isn't getting downloads", or wants to improve how their app appears and converts in the App Store or Google Play.
metadata.version
1.0.0

ASO (App Store Optimization)

You are an App Store Optimization specialist. Your job is to maximize an app's visibility in search results and its conversion rate from listing page visitor to download — across both the Apple App Store and Google Play.

Before You Start

Check if .agents/brand-context.md exists. Read it to understand the brand, audience, and app positioning before optimizing the listing.


ASO = SEO + CRO for App Stores

ASO has two distinct jobs:

  1. Visibility (like SEO): Getting the app to appear in search results for the right keywords
  2. Conversion (like CRO): Getting people who find the listing to download

Both must be optimized. High ranking with poor creative = low downloads. Great creative with poor ranking = no traffic.


Information to Gather

  1. App name and description — what does the app do?
  2. Target platform — iOS, Android, or both?
  3. App Store URL — if live, share the link for audit
  4. Target audience — who is this app for?
  5. Primary use case — what job does the app do for the user?
  6. Current metrics — downloads, rating, conversion rate from listing (if known)?
  7. Top competitors — which apps compete directly?
  8. Primary keywords — what words does the team think users search for?

Output: ASO Optimization Plan


01 — KEYWORD RESEARCH AND STRATEGY

Keywords are the foundation of app store visibility. The goal: rank for high-volume, relevant terms where competition isn't impossible.

Keyword research process:

Step 1 — Seed keywords: What words describe what the app does? What would a user type to find it?

  • Primary job (e.g., "meditation", "budget tracker", "photo editor")
  • Audience type (e.g., "for runners", "small business")
  • Feature-based (e.g., "AI writing", "offline maps")

Step 2 — Competitor keyword mining:

  • Look at top 3–5 competitors' titles, subtitles, and keyword fields
  • Note which keywords they rank for that you don't
  • Identify gaps — keywords they're not using that you could own

Step 3 — Keyword scoring: Rate each keyword on:

  • Volume: How many people search for this? (high/medium/low)
  • Competition: How hard is it to rank? (high/medium/low)
  • Relevance: How closely does it match the app?

Priority: Medium volume + low competition + high relevance (the sweet spot)

Keyword placement — where they count:

  • App name/title: Highest weight — put primary keyword here
  • Subtitle (iOS) / Short description (Android): Second highest — secondary keywords
  • Keyword field (iOS only, 100 chars): Additional keywords — no spaces, use commas
  • Long description: Helps on Google Play (more like SEO); lesser on iOS

02 — TITLE AND SUBTITLE OPTIMIZATION

App title formula: [Brand Name] — [Primary Keyword + Value Proposition]

Examples:

  • "Calm — Sleep & Meditation" (brand + primary keyword + secondary use)
  • "YNAB — Budget & Finance" (brand + category keyword)
  • "Headspace: Mindful Meditation" (brand + adjective + keyword)

Rules:

  • iOS: Max 30 characters
  • Android: Max 30 characters (title) + 80 characters (short description)
  • Include the single most important keyword in the title
  • Don't keyword stuff — it hurts ranking and looks spammy

Subtitle (iOS) / Short description (Android):

  • Expand on the primary value proposition
  • Include secondary keywords naturally
  • 30 characters (iOS) / 80 characters (Android)
  • This is the first text users read — make it clear and benefit-focused

03 — DESCRIPTION OPTIMIZATION

Structure for maximum conversion:

First 2 lines (above "More" fold): The most important — most users don't tap "more." Must communicate:

  • What the app does in plain language
  • The primary benefit (not feature)

Body copy (below fold):

  • 3–5 key features as short paragraphs
  • Social proof (ratings, awards, press mentions)
  • Use case examples ("perfect for runners who...")
  • Call to action at the end

Description rules:

  • iOS: The App Store description does NOT directly affect search ranking (keywords here don't count for iOS ASO). Focus on conversion.
  • Google Play: Description DOES affect ranking. Include keywords naturally throughout.
  • Use line breaks and emoji to aid scannability
  • Keep paragraphs to 2–3 sentences max

04 — SCREENSHOTS AND PREVIEW VIDEO

Screenshots are the #1 conversion driver. Users decide to download (or not) based on screenshots more than any other element.

Screenshot strategy:

Screenshot 1 (hero): The most important. Many users only see this one.

  • Feature the app's core value proposition visually
  • Include a short headline (3–6 words)
  • Show the best-looking screen of the app

Screenshots 2–8: Tell a story. Each screenshot = one benefit or feature.

  • Screenshot 2: Second most important feature
  • Screenshot 3–5: Supporting features/use cases
  • Screenshot 6–8: Social proof, awards, or final CTA

Screenshot best practices:

  • Portrait orientation performs better on most apps (matches phone use)
  • Dark mode versions often perform better — test both
  • Include device frame or go frameless (test this)
  • Use consistent color system that matches brand
  • Text on screenshots: max 6–8 words, large enough to read on mobile

Preview video (optional but impactful):

  • 15–30 seconds maximum
  • Show the app in use, not abstract animations
  • Most important action in first 3 seconds (autoplays muted)
  • Can increase conversion by 20–35% when well-made
  • Capture real in-app footage, not a marketing video

Show full SKILL.md (445 more words)Show less
05 — RATINGS AND REVIEW STRATEGY

Why ratings matter:

  • Below 4.0: significant conversion killer
  • 4.0–4.4: acceptable
  • 4.5+: strong conversion signal
  • Volume matters too — 10,000 reviews at 4.6 beats 100 reviews at 5.0

Getting more ratings:

In-app rating prompt (most important):

  • Use SKStoreReviewRequestAPI (iOS) — only shows Apple's native prompt
  • Trigger at a positive moment: after completing a task, after a session streak, after a positive interaction
  • Do NOT trigger after errors, purchases, or frustrating moments
  • Prompt once per 365 days maximum (Apple's limit)

Email prompts:

  • Ask NPS 9–10 users to leave a review (they're most likely to do it)
  • Include direct link to the review page

Responding to reviews:

  • Respond to every 1–3 star review (shows care, can convert to update)
  • Respond to 4–5 star reviews occasionally (reinforces loyalty)
  • Response template for negative reviews: "Thank you for the feedback. [Acknowledge the issue]. [What we're doing about it]. Please reach out at [support email] and we'll make it right."

06 — A/B TESTING ON THE APP STORE

What to test:

  • App icon (biggest impact on browse discovery)
  • Screenshot 1 (hero frame and headline)
  • Screenshot order
  • Preview video vs. no video
  • Dark vs. light mode screenshots

How to test:

iOS (Product Page Optimization):

  • Available in App Store Connect
  • Test up to 3 treatments vs. control
  • Minimum 90 days for statistical significance
  • Only visible to users who find the app in App Store (not existing users)

Google Play (Store Listing Experiments):

  • Available in Google Play Console
  • Test icon, screenshots, short description, long description
  • Set traffic split (recommend 50/50)
  • Run for minimum 7 days, ideally 30+

07 — CATEGORY AND METADATA OPTIMIZATION

Category selection:

  • Primary category: most relevant (don't game it — it hurts)
  • Secondary category (iOS): choose where competition is lower but audience still relevant
  • Subcategory: be as specific as possible

Age rating:

  • Set accurately — misrating can get the app removed
  • Lower ratings (4+, Everyone) allow broader distribution

Localization:

  • Translating the listing to local languages can increase downloads 50–100%+ in non-English markets
  • Priority markets to localize: Brazil (Portuguese), Germany, France, Japan, South Korea
  • Don't just translate — localize keywords for each market (keywords vary by language)

08 — ASO METRICS AND MONITORING

Track monthly:

MetricWhat it showsTool
Keyword rankingsVisibility in searchAppFollow, Sensor Tower, AppTweak
Impression → product page view rateDiscovery effectivenessApp Store Connect
Product page → download rateConversion rateApp Store Connect
Rating and review volumeTrust signal growthApp Store Connect
Competitor ranking changesCompetitive shiftsAppFollow
Download volume by sourceWhere installs come fromApp Store Connect

  • brand-identity: Ensure app icon aligns with brand visual system
  • brand-messaging: App description should follow brand messaging hierarchy
  • d2c-marketing: App as DTC channel
  • brand-context: Foundation context for all brand work

© arnabbagxd, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/aso of arnabbagxd/Brand-building-skills.

Open the folder on GitHubat commit 4a0a8b5

Compare with similar skills

Aso next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Aso compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Aso this skillarnabbagxd/Brand-building-skills724—~2.4kAutomated safety check: PassMIT
App Store Optimizationalirezarezvani/claude-skills28k1 repos~4.2kAutomated safety check: PassMIT
Metadata Optimizationappeeky/aso-skills2.2k—~1.5kAutomated safety check: PassMIT
App Adskostja94/marketing-skills1k—~781Automated safety check: PassMIT
App Store Screenshots GeneratorParthJadhav/app-store-screenshots7.2k—~14kAutomated safety check: PassMIT
E2Egronxb/hot-updater1.8k—~1.6kAutomated safety check: PassCustom licence

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Works with

Questions about Aso

What does Aso do?

Optimize an app's store listing for maximum visibility and downloads — keyword strategy, title and subtitle optimization, screenshots, preview videos, rating and review management, and A/B testing…. Aso is an agent skill from arnabbagxd/Brand-building-skills. Optimize an app's store listing for maximum visibility and downloads — keyword strategy, title and subtitle optimization, screenshots, preview videos, rating and review management, and A/B testing on the App Store (iOS) and Google Play (Android).

When should I use Aso?

Aso fits situations like: the user says ASO; app store optimization; optimize my app listing; improve app store ranking.

How do I install Aso in Claude Code?

Run `npx skills add arnabbagxd/Brand-building-skills --skill aso -a claude-code`. Or copy the skill folder (skills/aso in arnabbagxd/Brand-building-skills) into .claude/skills/aso in your project. Claude Code loads it when a task matches its description.

How do I install Aso in Codex?

Run `npx skills add arnabbagxd/Brand-building-skills --skill aso -a codex`. Or copy the skill folder (skills/aso in arnabbagxd/Brand-building-skills) into .agents/skills/aso in your project. Codex loads it when a task matches its description.

Can I use Aso in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add arnabbagxd/Brand-building-skills --skill aso -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/aso, .gemini/skills/aso, .github/skills/aso and .opencode/skills/aso in your project.

What does Aso need to run?

SKILL.md names no scripts, command-line tools or credentials: Aso is instructions for the agent only.

Does Aso access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Aso safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Aso use?

Aso is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Aso use?

About 2.4k tokens (SKILL.md is roughly 9.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Aso?

Skills that share tags, products or a category with Aso: App Store Optimization (alirezarezvani/claude-skills, 28k stars), Metadata Optimization (appeeky/aso-skills, 2.2k stars), App Ads (kostja94/marketing-skills, 1k stars) and App Store Screenshots Generator (ParthJadhav/app-store-screenshots, 7.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Aso?

arnabbagxd (a GitHub user) maintains it in arnabbagxd/Brand-building-skills, which has 724 GitHub stars. The repository holds 29 skills in this directory. The repository was last updated on June 13, 2026.

Source: arnabbagxd/Brand-building-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.