app-icon-optimization

What the source does

• FilesystemNone observedNo reads or writes in the source
• NetworkNone observedNo outbound calls in the source
• ShellNone observedNo commands run in the source
• DependenciesPinnedNothing floats
• SecretsNone foundNo keys in source

Five audit layers

Gates applied: no behavioural pass.

Audit 0.4.1 · source sha d508dfb48734 · 24 Oct 2026Report an issue or request a re-scan

• Publishereronred GitHub organizationOwner of the repository this skill is read from
• Source foldereronred/aso-skills/skills/app-icon-optimizationThe exact folder we audited
• LicenceMITAs the repository states it
• Commit pinned for this verdictd508dfb48734A new audit runs when the source changes
• Repository statusNot archivedLast push 17 days ago
• Sandboxed runNot runSkills are read, not executed; layer L4 is skipped

Its description: When the user wants to design, test, or improve their app icon to increase tap-through rate and conversions in App Store search and browse. Use when the user mentions "app icon", "icon design", "icon A/B test", "icon…

---
name: app-icon-optimization
description: When the user wants to design, test, or improve their app icon to increase tap-through rate and conversions in App Store search and browse. Use when the user mentions "app icon", "icon design", "icon A/B test", "icon variants", "tap-through rate", "icon conversion", "icon refresh", or wants to know what makes a good app icon. For screenshot optimization, see screenshot-optimization. For full listing A/B tests, see ab-test-store-listing.
metadata:
  version: 1.0.0
---

# App Icon Optimization

You help design, audit, and A/B test app icons to maximize tap-through rate (TTR) — the percentage of users who tap your app after seeing it in search results or browse.

## Why the Icon Is Your Most Impactful Asset

The icon is the **first thing users see** in search results — before the title, rating, or screenshots. A compelling icon can lift TTR by 20–40% with no other changes. In browse/charts, it's often the only visual element competing for attention.

## Icon Design Principles

### 1. Simplicity at Small Size

Icons render at 60×60pt (iPhone search results). At that size, detail disappears.

- Maximum 2 elements
- No text (illegible at small sizes; Apple discourages it)
- Strong silhouette recognizable at a glance
- Test at 60×60px before finalizing

### 2. Color Contrast Against the App Store Background

The App Store has a white/light background (light mode) and dark background (dark mode).

- High contrast on both modes
- Avoid white icons — they disappear in light mode
- Avoid very dark icons — they disappear in dark mode
- Consider adding a subtle shadow or border on your icon background

### 3. Category Visual Language

Match and differentiate from your category norms:

| Category | Common patterns | How to stand out |
|----------|----------------|-----------------|
| Productivity | Blue, clean, minimal | Warmer colors, bolder marks |
| Health/Fitness | Green, orange, energetic | Premium dark, sophisticated |
| Finance | Blue, green, conservative | Bold, distinctive mark |
| Games | Bright, characters, action | Premium/dark if competitors are loud |
| Social | Round shapes, soft colors | Sharp, distinctive if feed is soft |
| Meditation | Purple, blue, calm | Unexpected contrast color |
| Photo/Video | Gradient, camera | Single strong mark |

**Rule:** Look at your top 20 competitors' icons. Then design to be immediately distinguishable.

### 4. Recognizable Mark

The icon needs a single, memorable mark — not a scene or a composition. Ask:

> "Can someone describe this icon in 3 words?"

- ✅ "Red speech bubble" | ❌ "Someone using a phone with a gradient"
- ✅ "Bold orange flame" | ❌ "Abstract colorful shapes"

### 5. Brand Consistency

The icon is your brand mark in the App Store. It should:
- Match your app's primary color palette
- Be consistent with your splash screen, push notifications, and marketing
- Work as a favicon, social media avatar, and press kit asset

## Icon Sizes Required

| Platform | Size |
|----------|------|
| iPhone (App Store) | 1024×1024px (master) |
| iPhone (home screen) | 60×60pt @1x, @2x, @3x |
| iPad | 76×76pt @1x, @2x |
| Watch | 40×40pt – 44×44pt |
| Android adaptive icon | 108×108dp (safe zone 66×66dp) |

Submit a single 1024×1024px PNG (no transparency, no rounded corners — Apple applies the mask).

## A/B Testing Icons

### iOS — Product Page Optimization

1. App Store Connect → Your App → Product Page Optimization → Create Test
2. Create up to 3 icon variants
3. Set traffic allocation (20–33% per variant)
4. Run for minimum 7 days or until statistical significance

**Access:** App Store Connect → App Store → Product Page Optimization

### Android — Play Store Experiments

1. Play Console → Store listing experiments → New experiment
2. Upload up to 3 icon variants
3. Set traffic split
4. Google reports install conversion rate per variant

### What to Test

Test one variable at a time:

| Test | Variants |
|------|---------|
| Color scheme | Same mark, 3 different background colors |
| Mark style | Flat vs illustrated vs 3D |
| Dark vs light | Dark background vs light background |
| Character vs abstract | Character-based vs geometric/abstract |
| With vs without text | Mark only vs mark + short text |

### Reading Results

- **Primary metric:** Install conversion rate (impressions → installs)
- **Minimum sample:** 1,000+ impressions per variant for reliable signal
- **Significance threshold:** p < 0.05 or Appeeky/Play Console confidence indicator

## Icon Audit

Evaluate your current icon against:

```
Clarity at 60×60px:        [1–10]
  - Recognizable mark at small size?
  - No illegible text?

Color contrast:            [1–10]
  - Works on white (light mode)?
  - Works on dark backgrounds (dark mode)?

Category differentiation:  [1–10]
  - Stands out from top 10 competitor icons?

Simplicity:                [1–10]
  - Max 2 elements?
  - Describable in 3 words?

Brand alignment:           [1–10]
  - Consistent with app's visual identity?

Overall: [N]/50
```

## Brief for Icon Designer

When briefing a designer:

```
App: [name and one-line description]
Category: [category]
Primary audience: [who uses it]
Brand colors: [hex values]
Mood/feeling: [premium / playful / trustworthy / energetic / calm]

What the icon should convey: [core value or identity]
What to avoid: [don't replicate competitor X, avoid Y]

Competitors to differentiate from: [list 3–5 with icons]
Reference icons I like: [list 3–5 from other apps]

Deliverables:
- 3 distinct concepts at 1024×1024px
- Each concept tested at 60×60px mockup in App Store search context
- Final: PNG, no alpha, no rounded corners
```

## Related Skills

- `ab-test-store-listing` — Full A/B testing methodology
- `screenshot-optimization` — Complement the icon with strong screenshots
- `android-aso` — Android adaptive icon requirements
- `aso-audit` — Icon is one factor in the full ASO score

Excerpt, first 5,924 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

git clone https://github.com/eronred/aso-skills
git -C aso-skills checkout d508dfb48734

Works in

1. 2026-10-24
   ✓SAFE B 89 / 100

   first audit · source d508dfb48734

Questions about app-icon-optimization

• github.com/eronred/aso-skills/tree/main/skills/app-icon-optimiza — the audited source at commit d508dfb48734 and every finding aboveObserved · 24 Oct 2026

Spotted something wrong? Report a correction · Methodology