App Description Writer

App Description Writer

Generate compelling App Store descriptions that convert browsers into users.

When This Skill Activates

• User needs to write initial App Store description
• User wants to improve existing description
• User is preparing for a major update
• User asks about promotional text or What's New

Information Gathering

Before writing, ask about:

1. App Basics

• What does the app do? (one sentence)
• Who is it for? (target audience)
• What problem does it solve?

1. Key Features

• Top 3-5 features
• What makes it unique vs competitors?
• Any awards or recognition?

1. Social Proof

• Number of users/downloads (if impressive)
• Notable reviews or press mentions
• Any partnerships or integrations?

1. Tone

• Professional / Casual / Fun / Technical?
• Brand voice keywords?

Output Format

Generate all three text types:

1. Promotional Text (170 characters)

• First thing users see
• Should create curiosity or urgency
• Can be updated without app review
• Good for seasonal/sale messaging

2. Full Description (4000 characters max)

Structure:

[Opening Hook - 1-2 sentences, problem/benefit focused]

[Key Features with emoji bullets]
• Feature 1 - benefit
• Feature 2 - benefit
• Feature 3 - benefit

[Social Proof paragraph - optional]

[How it works - brief explanation]

[Call to action]

[Support/contact info]

3. What's New (4000 characters)

For updates:

[Version X.X highlights]

NEW
• Feature addition

IMPROVED
• Enhancement

FIXED
• Bug fix

Thank you for your feedback!

Best Practices

Do's

• Lead with the biggest benefit
• Use short paragraphs (2-3 lines max)
• Include relevant keywords naturally
• Use emojis sparingly for scannability
• End with clear call-to-action
• Mention if there's a free trial/tier

Don'ts

• Don't start with "Welcome to..."
• Don't use ALL CAPS excessively
• Don't mention prices (they change)
• Don't claim "#1" or "best" without proof
• Don't mention competitors by name
• Don't include URLs (they're not clickable)

Examples

Promotional Text Examples

Productivity App:

Transform chaos into clarity. The task manager that adapts to how YOU work.

Weather App:

Know before you go. Hyperlocal forecasts down to your street corner. ⛅️

Finance App:

Your money, finally making sense. Budgeting that doesn't feel like homework.

Description Opening Examples

Problem-First:

Tired of losing track of important tasks? [App] turns your scattered thoughts
into organized action plans in seconds.

Benefit-First:

Capture ideas the moment they strike. [App] is the fastest way to go from
thought to organized note, anywhere.

Curiosity-First:

What if your to-do list actually helped you get things done? Introducing
a smarter way to manage your day.

Localization Tips

When localizing descriptions:

• Don't just translate—adapt to cultural context
• Research local competitors' descriptions
• Adjust feature emphasis by market
• Use native speakers for review
• Consider character limits in other languages (German expands ~30%)

Character Limits Reference

| Field | Limit | |-------|-------| | App Name | 30 characters | | Subtitle | 30 characters | | Promotional Text | 170 characters | | Description | 4000 characters | | What's New | 4000 characters | | Keywords | 100 characters |

Templates

Template: Utility App

[One-line value proposition]

Stop [pain point]. Start [desired outcome].

✨ KEY FEATURES

• [Feature 1] — [Benefit in user terms]
• [Feature 2] — [Benefit in user terms]
• [Feature 3] — [Benefit in user terms]
• [Feature 4] — [Benefit in user terms]

💡 HOW IT WORKS

[2-3 sentences explaining the core flow]

🎯 PERFECT FOR

• [User type 1]
• [User type 2]
• [User type 3]

[Social proof if available]

Download now and [call to action with benefit].

Questions? We're here to help: [support email]

Template: Creative App

[Evocative opening that sparks imagination]

[App Name] puts [creative power] in your pocket.

🎨 CREATE

• [Creative feature 1]
• [Creative feature 2]
• [Creative feature 3]

📤 SHARE

• [Sharing/export feature]
• [Community feature if applicable]

🔓 UNLOCK YOUR CREATIVITY

[Inspirational paragraph about what users can achieve]

Join [X] creators already using [App Name].

[Call to action]

Template: What's New

Thanks for using [App Name]! Here's what's new in version X.X:

🆕 NEW
• [Major new feature with brief explanation]

⚡️ IMPROVED
• [Performance improvement]
• [UX enhancement]

🔧 FIXED
• [Bug fix users complained about]

Love [App Name]? Leave us a review — it helps more than you know! 💙

Feedback? [support email]

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: rshankras
• Source: rshankras/claude-code-apple-skills
• License: MIT

Install and usage instructions live in the source repository linked above.