10 Best App Keyword Research Tools for Founders [2026 Updated]

1. Sensor Tower

• Type: Paid
• URL: https://sensortower.com
• Overview: Sensor Tower provides market intelligence and ASO tools focused on app store keyword research, download estimates, and competitor keyword strategies. It lets you discover high-value keywords, monitor rank changes, and analyze competitors’ keyword footprints across countries and stores.

2. data.ai (formerly App Annie)

• Type: Paid
• URL: https://www.data.ai
• Overview: data.ai offers app market data and ASO insights including keyword intelligence, search trends, and competitive keyword analysis to inform app store optimization decisions. The platform aggregates store signals and market-level metrics to help prioritize keywords and track visibility over time.

3. AppTweak

• Type: Paid
• URL: https://www.apptweak.com
• Overview: AppTweak is an ASO platform with a dedicated keyword research suite that provides search volume, difficulty, relevancy, and AI-driven keyword suggestions for App Store and Google Play. It includes live search simulation and localization tools to uncover opportunities and track keyword performance by country.

4. App Radar

• Type: Paid
• URL: https://appradar.com
• Overview: App Radar combines a large keyword database with AI-powered suggestions and keyword monitoring to help you discover, prioritize, and track ASO keywords across stores and locales. It also provides visibility scoring and competitor keyword insights to refine metadata and localization.

5. MobileAction

• Type: Paid
• URL: https://www.mobileaction.co
• Overview: MobileAction offers ASO and market intelligence tools including keyword research, search volume estimates, difficulty scores, and competitor keyword spy features tailored for app growth teams. The platform helps prioritize keywords, monitor rankings, and discover seasonal or emerging keyword opportunities.

6. TheTool

• Type: Paid
• URL: https://thetool.io
• Overview: TheTool is an ASO-focused platform that provides keyword research, rank tracking, and install-attribution insights to improve app store discoverability. It offers keyword difficulty, search popularity, and tracking across multiple countries to measure ASO impact.

7. AppFollow

• Type: Paid
• URL: https://appfollow.io
• Overview: AppFollow provides keyword research and tracking tools including keyword spy, live ranking simulation, and download-by-keyword analytics to identify which keywords drive installs. Its ASO toolkit helps build semantic keyword cores and monitor competitors’ keyword strategies.

8. ASOdesk

• Type: Paid
• URL: https://asodesk.com
• Overview: ASOdesk is an ASO platform offering keyword discovery, volume and difficulty metrics, and keyword tracking for App Store and Google Play optimization. It helps you generate keyword ideas, analyze competitors, and measure the impact of metadata changes on rankings.

9. Gummicube (DATACUBE)

• Type: Paid
• URL: https://www.gummicube.com
• Overview: Gummicube’s DATACUBE provides ASO-centered keyword intelligence and search optimization tools built from store-level data to recommend high-opportunity keywords and predict ranking outcomes. The product focuses on accurate store-derived search volume and semantic relevance to optimize app metadata.

10. KeywordTool (App Store & Play Store mode)

• Type: Free
• URL: https://keywordtool.io
• Overview: KeywordTool lets you generate App Store and Google Play keyword suggestions by scraping store autocomplete and provides search volume estimates and long-tail keyword ideas. The free tier returns suggestions while paid plans unlock volume metrics and deeper ASO-focused data.