Definition
Organic Installs are app downloads that occur without direct paid advertising attribution. They originate from users who discover an app through app store search, browsing (top charts, featured sections, similar apps), word-of-mouth, or direct brand searches. Organic installs are the primary goal of App Store Optimization (ASO) because they represent sustainable, cost-free user acquisition.
In practice, the line between "organic" and "paid" is blurry — paid campaigns influence organic rankings (the Organic Uplift effect), so many installs attributed as "organic" were indirectly driven by marketing spend.
How It Works
Organic installs come from several discovery channels:
Search-driven organic (typically 60-70% of organic traffic for non-game apps):
- User types a query in the store search bar
- Algorithm returns ranked results based on Ranking Factors
- User evaluates results based on App Icon, App Title, Star Rating, Screenshots
- User taps → views Product Page → decides to install
Browse-driven organic (typically 30-40% for non-games, higher for games):
- User browses Top Charts, Category Ranking, editorial features, "Similar Apps" suggestions
- Discovery is driven by velocity, ratings, and editorial curation
- User sees app in browse surface → taps → potentially installs
Direct/Brand organic:
- User searches for app by name (navigational query)
- Word-of-mouth referrals
- Press coverage leading to store search
Apple App Store
- Search accounts for ~65% of all app discoveries (Apple's published stat)
- Browse surfaces: Today tab, Games/Apps tabs, editorial collections
- In-App Events create additional browse discovery surfaces
- Custom Product Pages (CPP) can capture organic search traffic (2025+)
Google Play Store
- Search is primary but browse is growing faster
- Google Play Collections create intent-based browse channels
- "Similar Apps" and "You Might Also Like" are major browse surfaces
- Ask Play (2026) may create a new organic discovery channel via conversational AI
Amazon Appstore
- Fire TV home screen recommendations are a primary organic channel
- Voice search ("Alexa, find a meditation app") drives organic discovery
- Smaller app ecosystem means less competition for organic visibility
Formulas & Metrics
Organic install share:
Organic Share = Organic Installs / Total Installs × 100%
Healthy benchmark: 70-85% organic share for a mature, well-optimized app.
Cost of organic install (indirect):
Effective Organic CPI = Total ASO Investment / Organic Installs Gained
Typically $0.05-0.50, compared to $1-5+ for paid CPI.
Organic uplift multiplier:
Organic Uplift = Total Organic Installs_during_campaign / Baseline Organic Installs
A multiplier of 1.5-3.0x is common when paid campaigns boost rankings.
Best Practices
- Track organic vs. paid separately — use Install Attribution tools (AppsFlyer, Adjust, SKAdNetwork) to distinguish channels accurately.
- Invest in ASO before scaling paid — organic installs are the compound interest of mobile growth. Paid campaigns are most effective when the store listing is already optimized to convert.
- Monitor organic share trends — declining organic share may indicate ranking drops, increased competition, or market saturation.
- Optimize for each discovery channel — search-driven organic needs keyword optimization; browse-driven organic needs velocity and ratings.
Examples
Organic install sources breakdown (typical utility app):
- Store search (generic keywords): 45%
- Store search (brand): 15%
- Browse (top charts): 12%
- Browse (similar apps): 10%
- Browse (featured/editorial): 5%
- Web referral to store: 8%
- Other: 5%
Dependencies
Influences (this term affects)
- Download Velocity — organic installs are a major component of velocity
- Revenue — organic users often have higher LTV than paid users
- Category Ranking — organic install volume drives chart position
Depends On (affected by)
- App Store Optimization (ASO) — primary driver of organic installs
- Search Visibility — determines exposure in search results
- Conversion Rate — determines what % of impressions become installs
- Star Rating — affects both visibility and conversion
- Featured Apps — being featured spikes organic installs
- Organic Uplift — paid campaigns indirectly boost organic installs
- Brand Awareness — drives direct/brand organic installs
Platform Comparison
| Aspect | Apple App Store | Google Play | Amazon Appstore |
|---|---|---|---|
| Search share of discovery | ~65% (Apple stat) | ~50-60% (estimated) | Varies by device |
| Primary browse source | Today tab, editorial | Collections, Similar Apps | Fire TV home screen |
| Voice discovery | Siri (limited for apps) | Google Assistant | Alexa (significant) |
| Attribution tools | SKAdNetwork, ATT framework | Google Play Referrer | Amazon Ad System |
Related Terms
- Paid Installs
- Organic Uplift
- Search Visibility
- Conversion Rate
- Download Velocity
- Install Attribution
- Brand ASO
- User Acquisition (UA)
Sources & Further Reading
- Apple: App Store discovery statistics
- AppTweak: Organic vs. Paid Install Analysis
- MobileAction: Organic Install Benchmarks