Sonar//Blog

App Store Optimization Insights

Data-driven research, practical guides, and strategies for ranking higher on the App Store and Google Play.

Latest

What Is ASO? App Store Optimization Explained

65-70% of app discoveries happen through search. ASO is how you show up. The 4 ranking inputs, 5 optimization pillars, and first steps for iOS and Google Play.

·12 min read
asoapp-store-optimizationbeginner
[ 31 articles ]·All posts//
·14 min

Apple Search Ads: The Complete Guide for Indie Developers

Set up Apple Search Ads on $5-50/day: Basic vs Advanced campaigns, the 5 metrics that matter (CPT, CPI, TTR, CR, SP), and why good ASO cuts your ad costs.

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·12 min

The Complete ASO Checklist for Launching Your App in 2026

23-step ASO checklist from pre-launch keyword research to your first month of rank tracking. Copy-paste ready for iOS and Android.

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·10 min

The Best Free ASO Tools for Indie Developers in 2026

12 free ASO tools compared for keyword research, rank tracking, and competitor analysis — with honest notes on what each one can't do.

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·14 min

Best ASO Tools for App Store Optimization (2026)

Sensor Tower ($25K/yr), AppTweak ($83/mo), App Radar ($39/mo), and 6 more ASO tools rated on keyword quality, rank tracking, competitor analysis, and value for money.

aso-toolscomparison
·11 min

How to Audit Your App Store Listing (With a Free ASO Score Tool)

6-area ASO audit you can finish in 30 minutes: metadata, visuals, ratings, keyword coverage, and competitive positioning. Includes a free scoring tool.

asoaudit
·16 min

Mobile App Marketing: The Complete Playbook

3-phase app marketing playbook (pre-launch, launch week, post-launch) for $0-500/month. Organic search drives 50-70% of lifetime installs — start there.

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·11 min

How to Find Low-Competition App Store Keywords That Actually Rank

Step-by-step method to find app store keywords with under 40 difficulty, real search volume, and weak competition — using only free tools.

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·11 min

App Store Ranking Tracker: How to Track Keyword Rankings

Daily rank tracking catches algorithm changes and competitor moves early. Learn the 4 trend states (climbing, stable, declining, new) and what action each requires.

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·11 min

ASO vs SEO: What's the Difference (and Why You Need Both)

ASO vs SEO compared across 16 dimensions — from 160-char iOS constraints to visual ranking factors. If you know SEO, here's exactly what transfers and what doesn't.

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·15 min

ASO Keyword Research: The Complete Guide for 2026

3 metrics that matter (search popularity, difficulty, opportunity), 6 keyword sources, and the SP 35-55 sweet spot that yields 2,300-7,600 daily impressions for indie apps.

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·8 min

The Indie Developer's Guide to App Store Optimization

65-70% of app installs come from search. Target keywords with SP 35-55 and difficulty under 35 — the sweet spot where indie apps can rank without a marketing budget.

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·12 min

App Store Keywords: How to Find and Choose the Right Ones

4-step keyword process: brainstorm, expand via autocomplete, check competition, and prioritize. Includes real examples — 'meditation timer' (diff 12) vs 'meditation' (diff 80+).

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·7 min

iOS App Store vs Google Play: How ASO Differs Between Platforms

iOS gives you 160 indexed characters. Google Play gives you 4,110. iOS weights download velocity, Android weights install count. Here's what to optimize differently.

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·11 min

Spy on Competitors' App Store Keywords (and Find Gaps)

3-step competitor keyword analysis: choose competitors, extract their keyword footprint, and sort gaps into quick wins, stretch goals, and monitor-only buckets.

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·8 min

A Practical Guide to App Store Metadata Optimization

iOS: 30-char title + 30-char subtitle + 100-char keyword field. Android: 30-char title + 80-char short + 4,000-char long description. Field-by-field optimization for both.

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·12 min

App Store Rank Tracker: How to Track Your App's Rankings

How app store rank trackers work, the 4 trend categories that drive action, and companion metrics (velocity, competitor movement) that tell the full story.

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·11 min

App Store Keyword Difficulty: What It Measures and How to Use It

Keyword difficulty 0-100 explained: what the score measures, why geometric mean beats simple averages, and the indie sweet spot (SP 35-55, difficulty 15-35).

asokeyword-research
·11 min

The Real Search Volume Behind App Store Keywords

SP 35 = ~2,300 impressions/day. SP 60 = ~10,000. SP 100 = ~200K+. The formula (254.4 × e^0.0615×SP) and full reference table for every score.

asokeyword-research
·10 min

Sensor Tower Pricing: Is It Worth It? (+ Cheaper Alternatives)

Sensor Tower starts at ~$500/month with no self-serve signup. Here's what each tier includes, why it's overkill for indie devs, and alternatives from $9/month.

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·9 min

Agentic ASO: Why AI Agents Are the Future of App Store Optimization

4 real AI agent workflows that automate keyword research, rank monitoring, and competitor intel — and why dashboard-only ASO tools are already obsolete.

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·7 min

ASO API: CLI Workflows for Developers Who Ship

3 copy-paste CLI workflows for weekly keyword research, competitor monitoring, and launch optimization — using 7 stateless API endpoints. No dashboard needed.

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·10 min

How Apple Search Ads Popularity Score Actually Works

What Apple's Search Popularity score (5-100) actually measures, the formula to estimate daily impressions from it, and how to use it for keyword research.

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·8 min

How to Write the Perfect Google Play Short Description

You have exactly 80 characters — Google Play's 2nd most important ranking field. 7 before/after examples showing how to fit 2-3 keywords into a readable sentence.

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·13 min

App Store Optimization for Android: Google Play ASO Guide

Google Play indexes all 4,000 characters of your description — iOS indexes none. Learn the 5 metadata fields, backlink ranking factor, and strategies unique to Android ASO.

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·10 min

App Store Optimization Checklist (2026)

7-section ASO checklist covering keyword research, title, subtitle, keyword field, promo text, description, and visuals — with platform-specific steps for iOS and Android.

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·10 min

ASO KPIs: What to Track and Why

7 ASO KPIs to track: keyword rankings, search impressions, conversion rate, ratings, uninstall rate, referrals, and install attribution — with benchmarks for each app stage.

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·9 min

What Does ASO Cost? Tools, Agencies, and DIY

ASO costs across 5 tiers: free DIY ($0), budget tools ($9-50/mo), mid-range ($100-500/mo), enterprise ($500-5K/mo), and agencies ($2-10K+/mo). What you actually get at each level.

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·10 min

Game ASO: How to Optimize Your Game's App Store Listing

Games are 75% of App Store revenue but need different ASO. Genre+mechanic keyword combos, game-specific modifiers, screenshot A/B testing, and seasonal optimization.

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·10 min

App Store Conversion Rate: How to Improve It (With Benchmarks)

Average conversion rates by category (Utilities 30-40%, Games 25-35%, Social 10-20%), the 5 levers that move them, and how to A/B test on both stores.

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·10 min

How to Get More App Reviews (Without Being Annoying)

iOS allows only 3 review prompts per year. Android's quota is undocumented. Here's how to time them right using SKStoreReviewController and In-App Review API.

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·10 min

App Store Connect Analytics: What the Numbers Mean

What impressions, product page views, and conversion rates actually mean in App Store Connect — and the critical gaps (like keyword-level attribution) Apple doesn't show you.

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