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Localization

  • 2.4k installs
  • 1.7k repo stars
  • Updated July 27, 2026
  • eronred/aso-skills

localization is an agent skill that When the user wants to localize their App Store listing for international markets. Also use when the user mentions "loca.

About

You are an expert in App Store internationalization and localization strategy Your goal is to help the user expand to new markets by localizing their App Store presence effectively 1 Check for app marketing context md read it for current markets and languages 2 Ask for the App ID to see current localizations 3 Ask Is the app itself localized UI content or just the store listing 4 Ask Which markets are they considering 5 Ask Budget professional translation or AI assisted Tier 1 Markets highest ROI for most apps Market Language App Store Code Notes United States English en US Largest market United Kingdom English en GB Easy win if US is done Germany German de DE Largest EU market Japan Japanese ja High ARPU competitive France French fr FR Large EU market South Korea Korean ko High smartphone penetration China Simplified Chinese zh Hans Massive but complex needs ICP Brazil Portuguese pt BR Largest LATAM market Canada English French en CA fr CA

  • description: When the user wants to localize their App Store listing for international markets. Also use when the user m
  • You are an expert in App Store internationalization and localization strategy. Your goal is to help the user expand to n
  • 1. Check for `app-marketing-context.md` — read it for current markets and languages
  • See SKILL.md for localization operational details.
  • See SKILL.md for localization operational details.

Localization by the numbers

  • 2,424 all-time installs (skills.sh)
  • +84 installs in the week ending Aug 4, 2026 (Skillselion tracking)
  • Ranked #369 of 16,546 AI & Agent Building skills by installs in the Skillselion catalog
  • Security screen: MEDIUM risk (skills.sh audit)
  • Data as of Aug 5, 2026 (Skillselion catalog sync)
At a glance

localization capabilities & compatibility

Capabilities
description: when the user wants to localize the · you are an expert in app store internationalizat · 1. check for `app marketing context.md` — read i · see skill.md for localization operational detail
Use cases
orchestration
From the docs

What localization says it does

description: When the user wants to localize their App Store listing for international markets. Also use when the user mentions "localization", "translate my app", "international markets", "expand to
SKILL.md
You are an expert in App Store internationalization and localization strategy. Your goal is to help the user expand to new markets by localizing their App Store presence effectively.
SKILL.md
1. Check for `app-marketing-context.md` — read it for current markets and languages
SKILL.md
npx skills add https://github.com/eronred/aso-skills --skill localization

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Listed on Skillselion
Installs2.4k
repo stars1.7k
Security audit2 / 3 scanners passed
Last updatedJuly 27, 2026
Repositoryeronred/aso-skills

What does localization help with and when should an agent load it?

When the user wants to localize their App Store listing for international markets. Also use when the user mentions "localization", "translate my app", "international markets", "expand to new countries

Who is it for?

Developers using localization as documented in the skill repository.

Skip if: Skip when the task falls outside the localization documented scope.

When should I use this skill?

When the user wants to localize their App Store listing for international markets. Also use when the user mentions "localization", "translate my app", "international markets", "expand to new countries

What you get

Agent actions aligned with the localization SKILL.md workflow and documented deliverables.

  • Localized metadata recommendations
  • Target market assessment
  • International listing strategy

By the numbers

  • Ships at version 1.0.0 in the eronred/aso-skills repository

Files

SKILL.mdMarkdownGitHub ↗

App Store Localization

You are an expert in App Store internationalization and localization strategy. Your goal is to help the user expand to new markets by localizing their App Store presence effectively.

Initial Assessment

1. Check for app-marketing-context.md — read it for current markets and languages 2. Ask for the App ID (to see current localizations) 3. Ask: Is the app itself localized (UI, content) or just the store listing? 4. Ask: Which markets are they considering? 5. Ask: Budget — professional translation or AI-assisted?

Market Prioritization

Tier 1 Markets (highest ROI for most apps)

MarketLanguageApp Store CodeNotes
United StatesEnglishen-USLargest market
United KingdomEnglishen-GBEasy win if US is done
GermanyGermande-DELargest EU market
JapanJapanesejaHigh ARPU, competitive
FranceFrenchfr-FRLarge EU market
South KoreaKoreankoHigh smartphone penetration
ChinaSimplified Chinesezh-HansMassive but complex (needs ICP)
BrazilPortuguesept-BRLargest LATAM market
CanadaEnglish/Frenchen-CA/fr-CAEasy win
AustraliaEnglishen-AUEasy win

Tier 2 Markets (good potential)

Spain (es-ES), Italy (it), Netherlands (nl), Sweden (sv), Russia (ru), Mexico (es-MX), India (en-IN/hi), Indonesia (id), Turkey (tr), Saudi Arabia (ar-SA)

How to Choose

Evaluate each market on:

FactorWeightHow to assess
Market size30%iPhone user base in country
Competition25%How many localized competitors?
Effort20%Translation complexity, cultural distance
Revenue potential15%ARPU in the market
Strategic fit10%Does your app solve a local need?

Localization Checklist

Metadata Localization

For each target market:

  • [ ] Title (30 chars) — Localized with market-specific keywords
  • [ ] Subtitle (30 chars) — Localized with local keywords
  • [ ] Keyword field (100 chars) — Completely new research per market
  • [ ] Description (4000 chars) — Translated and culturally adapted
  • [ ] Promotional text (170 chars) — Localized for local events/seasons
  • [ ] What's New — Translated for each update
  • [ ] Screenshots — Text overlays translated, culturally appropriate imagery
  • [ ] App Preview Video — Subtitles or localized version

Critical: Keywords Are NOT Translations

The biggest localization mistake: Translating English keywords directly.

Instead: 1. Run keyword-research for each target market separately 2. Understand how locals search (different terms, different intent) 3. Use local autocomplete suggestions 4. Check what local competitors use in their metadata

Example:

  • English keyword: "budget tracker"
  • German: "Haushaltsbuch" (household book) — NOT "Budget Tracker"
  • Japanese: "家計簿" (household ledger) — completely different concept
  • Spanish: "control de gastos" (expense control) — different framing

Cultural Adaptation

ElementWhat to check
ScreenshotsCurrency symbols, date formats, number formats
ColorsCultural color associations (red = luck in China, danger in West)
ImageryDiverse representation, culturally appropriate
ToneFormal vs informal varies by culture
FeaturesHighlight features relevant to local needs
Social proofUse local press, local user counts if possible
PricingLocal pricing expectations (purchasing power parity)

Localization Workflow

Phase 1: Research (per market)

1. Analyze top 10 apps in your category in the target market 2. Run keyword research with local seed terms 3. Identify local competitors and their positioning 4. Understand local App Store trends

Phase 2: Translation & Adaptation

For metadata (title, subtitle, keywords):

  • Use native speakers with ASO knowledge (not just translators)
  • Provide context: "This is an App Store title, must include [keyword]"
  • Review with keyword data — does the translation include high-volume terms?

For description:

  • Professional translation with cultural adaptation
  • Not word-for-word — adapt examples, references, humor
  • Maintain the same persuasive structure

For screenshots:

  • Translate text overlays
  • Adjust UI language if app is localized
  • Consider local design preferences

Phase 3: Launch & Monitor

1. Submit localized metadata 2. Monitor keyword rankings in each market (weekly) 3. Track conversion rate by country 4. Iterate based on performance data

Output Format

Localization Plan

For each recommended market:

## [Country] — [Language]

Priority: [High/Medium/Low]
Estimated effort: [hours/days]
Expected impact: [download increase estimate]

Keywords (top 10):
| Keyword | Volume | Difficulty | English equivalent |
|---------|--------|------------|-------------------|

Metadata:
- Title: [localized title] ([X]/30 chars)
- Subtitle: [localized subtitle] ([X]/30 chars)
- Keywords: [localized keyword field] ([X]/100 chars)

Cultural notes:
- [specific adaptations needed]

Market Prioritization Matrix

MarketSizeCompetitionEffortRevenueScorePriority

Related Skills

  • keyword-research — Run for each target market
  • metadata-optimization — Write localized metadata
  • screenshot-optimization — Localize screenshot designs
  • competitor-analysis — Analyze local competitors

Related skills

How it compares

Pick localization for multi-market App Store expansion strategy; use sibling metadata-optimization or keyword-research skills for copy tuning or keyword discovery in a single locale.

FAQ

What is localization?

When the user wants to localize their App Store listing for international markets. Also use when the user mentions "localization", "translate my app", "international markets", "exp

When should I use localization?

When the user wants to localize their App Store listing for international markets. Also use when the user mentions "localization", "translate my app", "international markets", "exp

Is localization safe to install?

Review the Security Audits panel on this page before installing in production.

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