How Fast Does Apple Index a Keyword Change? 2,744 Releases
We compared 2,744 App Store releases: 35.3% of apps gained a new top-10 keyword in the next 21 days, against 29.2% in the 21 days before.
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Blog
Guides on App Store Optimization, keyword tracking, and growing installs.
One Developer, Five Apps, One Search Page: Portfolio ASO
TOYA TAP held 4 of the top 10 results on a toddler search at our October 6 check, and 799 top-10 slots overall. We compared its 29 apps with rivals.
Read more →Does App Store Featuring Work? 5,516 Features Tested
We matched 5,516 App Store features to the US top-free chart: 3.0% of chart entries followed a feature, against 0.8-1.1% by chance. Ranked apps saw no lift.
Read more →A New Word in Your App Title: Rankings After 2,910 Edits
We tracked 2,910 app title edits across 10,669 keywords: new title words reached the top 250 for 16.2% of keywords in 28 days, against 10.2% for a control.
Read more →Duolingo's App Store Listing: 13 Months of Changes
We tracked Duolingo's App Store page for 13 months: 4 app names, 5 stunt icons, 9 A/B tests and a top annual price that rose to $119.99.
Read more →Toddler Games: The Most Crowded Niche on the App Store
Nine toddler searches on the US App Store hold 1,130 apps, and 36 developers own 339 of them. Only 1.5 of 10 top spots change hands per week.
Read more →What Casino Apps A/B Test: 554 Tests From 73 Top Earners
46 of the 50 top-grossing US casino apps have run App Store A/B tests. We read 554 tests and what became the default afterwards.
Read more →We Read 1.1 Million App Store Reviews With Jev. The #1 Complaint Isn't Bugs.
We ran 1,163,767 App Store reviews from 5,486 apps through Jev for $65.60. Paywalls beat bugs, four-star reviews are rarely praise, and eleven apps have most of their reviews describing surprise charges.
Read more →Apple Now Publishes App Store Search Data: Inside the New Ads API, With 65 Weeks of It Analyzed
The new Apple Ads Platform API reveals the top 500 App Store search terms per category, weekly. We ingested all 65 weeks Apple retains: brand dominance, misspellings that outrank brands, and launch spikes dated to the week.
Read more →The Vertical Drama Takeover: 15 of the Top 50 Grossing Entertainment Apps in Under Four Years
15 of the top 50 grossing US Entertainment apps are vertical drama apps. A data study of the micro-drama boom: two years of chart dominance, $39.99/week subscriptions, and what 5,000 one-star reviews reveal.
Read more →The Invisible ASO Update: How the Hidden App Store Keyword Field Took a Kids App From Rank 200 to Top 5
A data-driven ASO case study: a kids app jumped from rank 200 to top 5 on dozens of App Store searches in two weeks with no visible metadata change. The hidden keyword field explains it.
Read more →Apple Search Ads by the Numbers: What 26,670 Advertisers Are Actually Bidding On
A data study of the US Apple Search Ads market: the median advertiser bids on 5 keywords, the top 1% hold 40% of placements, and 78% of bought terms are ones the advertiser doesn't rank for.
Read more →App Store A/B Testing in the Wild: What 53,000 Product Page Experiments Reveal
We detected 53,354 live Product Page Optimization experiments across 23,893 iOS apps in 11 months. What apps test, how long tests run, and why the top of the store tests hardest.
Read more →How Long Does a Top-10 App Store Ranking Last? We Tracked 2,760 Results for Five Months
Only 44.5% of today's top-10 App Store search results held their spot over five months, while 39% of #1 results never moved at all. A data study of ranking churn across 276 popular searches.
Read more →App Store MCP Server for Claude, Cursor & AI Agents
Connect Claude, Cursor or any AI agent to AppSigma's App Store MCP server (api.appsigma.io/mcp) and search apps, read reviews, track charts live.
Read more →How App Store Keyword Tracking Works (and Why Rankings Move)
Your keyword rankings shift every day. Here is what App Store search position actually measures, why it moves, and how to track the keywords that bring you installs.
Read more →The App Store API: Pull iOS App Data, Reviews, Charts and Search
A hands-on, examples-first guide to the AppSigma App Store API. Real curl requests and JSON responses for app lookups, reviews, search, and charts — all runnable with the free demo key.
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