ASO Glossary
App Ratings & Reviews
App ratings and reviews are user-generated scores and feedback that influence App Store search rankings, conversion rates, and overall app credibility.
How Do Ratings and Reviews Affect ASO?
App ratings and reviews influence App Store Optimization in two distinct ways: they affect search ranking through the algorithm, and they affect conversion rate through user trust. Together, these make ratings one of the most impactful factors in app growth — and one of the hardest to optimize directly.
Ratings as a Ranking Signal
The App Store algorithm uses ratings as one of several performance signals when determining search result order. Specifically, the algorithm considers:
| Factor | How It's Used |
|---|---|
| Average rating | Higher-rated apps tend to rank above lower-rated apps for the same keyword, all else being equal |
| Rating volume | More ratings signal broader usage and provide a stronger signal to the algorithm |
| Rating recency | Recent ratings carry more weight than old ones — a burst of new 5-star ratings is a stronger signal than legacy ratings |
| Rating velocity | An increase in the rate of new ratings can signal growing popularity |
This means an app with a 4.5-star average from 10,000 recent ratings will generally outrank a 4.8-star app with only 50 ratings — the volume and recency provide a stronger ranking signal.
Ratings as a Conversion Factor
Beyond algorithmic effects, ratings heavily influence whether users install your app. The star rating is visible directly in search results, before users even tap on your listing. This creates a pre-filter:
- 4.5+ stars: Strong positive signal. Users proceed to the product page with confidence.
- 4.0–4.4 stars: Acceptable. Most users will still consider the app, especially with high review volume.
- 3.5–3.9 stars: Caution zone. Users compare more carefully against alternatives. Conversion drops noticeably.
- Below 3.5 stars: Significant barrier. Most users will skip the app unless it has no alternatives or a very strong brand.
The conversion impact is substantial — research suggests that moving from 3 stars to 4 stars can increase conversion rates by 50% or more.
The Rating–Keyword Interaction
Ratings interact with keyword strategy in an important way. Even if your metadata is perfectly optimized and you rank well for Sweet Spot keywords, a low rating undermines your position through two mechanisms:
- Lower conversion rate → fewer downloads per impression → weaker download velocity signal → algorithm reduces your ranking
- Users skip your listing in search results → lower tap-through rate → another negative signal
This creates a negative spiral where poor ratings erode keyword position over time, regardless of metadata quality.
Reviews vs. Ratings
Ratings (1–5 stars) and reviews (written text) are related but distinct:
| Aspect | Ratings | Reviews |
|---|---|---|
| User effort | Low (tap a star count) | High (write text) |
| Volume | Much higher | Lower (subset of raters) |
| Algorithm impact | Direct — star rating is a ranking signal | Indirect — review keywords may influence relevance |
| Conversion impact | Star average shown in search results | Read on product page — builds trust or raises concerns |
| Developer can respond? | No | Yes — public response to reviews |
Both matter, but ratings have a more direct impact on both ranking and conversion because they're displayed prominently and require minimal user effort to provide.
Strategies for Improving Ratings
Ask at the Right Moment
Apple allows you to use SKStoreReviewController.requestReview() to prompt users to rate your app. The key is timing — ask when the user has just experienced a positive outcome:
- After completing a core task successfully
- After achieving a milestone (10th session, 100th entry)
- After a positive interaction (completing a workout, exporting data)
Never ask immediately after a crash, error, or frustrating experience. Never ask on first launch. Apple limits the prompt to 3 times per 365-day period per user, so each prompt must count.
Fix Issues Before Asking
If your app has known bugs, fix them before increasing your rating prompt frequency. Prompting dissatisfied users generates 1-star ratings that are extremely hard to dilute.
Respond to Reviews
Responding to negative reviews serves two purposes: it can persuade the reviewer to update their rating, and it shows potential users that the developer is responsive and engaged. Focus responses on acknowledging the issue, explaining fixes, and inviting the user to reach out for support.
Monitor Rating Trends
Track your average rating over time, especially after app updates. A sudden drop in ratings after a release indicates a regression that needs immediate attention. Catching and fixing these problems quickly limits the damage to your average.
Ratings Across Markets
Users in different countries have different rating behaviors. Some markets tend to rate more generously, while others are more critical. Your average rating may differ significantly by market, and App Store Connect shows per-territory rating breakdowns. Consider this when evaluating your competitive position in different countries — a 4.2-star app might be above average in one market and below average in another.
When using the Country Opportunity Finder, the top competitor's rating is shown for each market. This helps you assess whether your app's rating is competitive enough to gain traction in that market.
The Bottom Line
Ratings and reviews are the bridge between keyword-driven search visibility and actual downloads. You can have the best keyword strategy in the world — targeting Sweet Spots and Hidden Gems across multiple markets — but if your rating is below 4.0, conversion will undermine your rankings over time. Maintain quality, prompt ratings strategically, respond to feedback, and treat your rating as a core ASO metric alongside keyword performance.
Put This Knowledge Into Practice
Use RespectASO to research keywords and optimize your App Store metadata.