Why App Store Rankings Matter
Being featured in the top charts or ranking #1 for a key search term can be transformative for an app's growth. The majority of app discoveries happen through store searches and top charts — which makes understanding ranking factors essential for developers and marketers alike.
Both the Apple App Store and Google Play use complex, undisclosed algorithms to rank apps. However, through industry research and observation, several key signals have been consistently identified.
The Two Types of App Store Rankings
There are two distinct ranking contexts you need to understand:
- Top Charts Rankings: The overall most popular apps by download volume, revenue, or both — broken down by category
- Search Rankings: How prominently an app appears when users search for specific keywords or terms
The factors that influence each can differ significantly, though there is considerable overlap.
Key Ranking Factors: Apple App Store
1. Download Velocity
The rate at which an app is downloaded — particularly over the past 24–72 hours — is arguably the strongest short-term ranking signal. A sudden spike in downloads from a press feature or viral moment can catapult an app up the charts quickly.
2. Ratings and Reviews
Both the average star rating and the volume of recent reviews factor into rankings. Apple places particular emphasis on recent ratings (post the last major update). An app with a 4.7 rating from recent reviews outperforms one with a historical 4.9 but recent 3.8.
3. Keyword Relevance (ASO)
App Store Optimization (ASO) is the practice of optimizing your app's title, subtitle, and keyword field for relevant search terms. Apple indexes the app name (30 chars), subtitle (30 chars), and a hidden keyword field (100 chars) for search.
4. Engagement and Retention
Apple's algorithm rewards apps that users return to. High session frequency, long session lengths, and low uninstall rates are all positive signals that indicate genuine user value.
5. In-App Purchases and Revenue
For the "Top Grossing" charts specifically, revenue generated through the app store directly determines placement. For general rankings, monetization success is a secondary positive signal.
Key Ranking Factors: Google Play
1. Installs and Uninstalls
Google weighs both raw install numbers and the install-to-uninstall ratio. An app that gets downloaded frequently but uninstalled quickly is penalized. This heavily incentivizes quality user experiences over aggressive acquisition tactics.
2. Ratings and Engagement Signals
Similar to Apple, Google considers star ratings, review volume, and recency. Google also processes the text content of reviews using natural language processing — meaning review content influences how Google categorizes and ranks your app.
3. Android Vitals
Google explicitly penalizes apps with poor technical performance. Metrics tracked under Android Vitals include:
- Crash rate (excessive crashes trigger ranking suppression)
- ANR (App Not Responding) rate
- Battery consumption
- Render performance
4. Store Listing Optimization
Google indexes your app title, short description, long description, and even in-app text via crawling. Unlike Apple, your full description is searchable — making keyword placement throughout the description page valuable.
Comparison: App Store vs. Google Play Ranking Priorities
| Factor | Apple App Store | Google Play |
|---|---|---|
| Download velocity | Very High | High |
| Ratings & reviews | High | High |
| Technical performance | Medium | Very High (Android Vitals) |
| Keyword optimization | High (title/subtitle/keywords) | High (full description) |
| Retention & engagement | High | High |
| Revenue/monetization | Medium | Medium |
Practical Takeaways
- Focus on earning genuine 5-star reviews by prompting satisfied users at the right moment (after a positive in-app event)
- Treat your app listing like an SEO page — research keywords before writing your title and description
- Monitor and fix crashes immediately; poor Android Vitals scores directly suppress Google Play rankings
- Launch with a coordinated push to maximize download velocity in the critical first week