Competitor keyword research
Read every phrase a competitor ranks for in the App Store, including phrases identified in its hidden keyword field, with position, popularity and difficulty information.
aso.best
aso.best is an app store optimization and keyword research service for the Apple App Store and Google Play. It helps app owners, marketers and agencies research competitor rankings, monitor keywords, localize listings and automate workflows through AI clients or an API.
App Store keyword research and monitoring
aso.best is an app store optimization and keyword research service for the Apple App Store and Google Play. It reads store data for competitor apps, including ranking phrases, positions, Apple's popularity and difficulty signals, and phrases identified in a competitor's hidden keyword field.
The service also supports ongoing keyword and app tracking, listing localization, review-reply drafts, alerts and automated access through MCP or a REST API. It is designed for people managing app visibility, researching competitors or running multiple client apps from a shared workspace.
Features
Store monitoring and alerts
Track positions, ratings and reviews for apps on the App Store and Google Play. Keyword drops and one-star reviews can be sent to email, Slack, Discord, Microsoft Teams, Telegram, Google Chat or a webhook, depending on the plan and configured channels.
Keyword scoring and niche analysis
Inspect Apple's popularity score, first-page difficulty, related queries and opportunity information for individual phrases, and analyze the demand and competition around a niche.
Listing localization
View listing fields by locale, translate App Store and Google Play listing content within store limits, and save supported App Store Connect changes without submitting a version for review.
Review response drafts
Generate AI drafts for replies to App Store and Google Play reviews, including drafts in the reviewer's language, then edit and send them from the workflow.
MCP and REST API access
Use the same research tools through an MCP server in supported AI clients or through a REST API. The MCP documentation lists competitor reads, keyword scores, app profiles, visibility, tracking and reporting tools.
Use cases
Competitor gap research
Read a rival app, separate visible listing terms from phrases in its hidden keyword field, and compare those opportunities with the phrases your app currently tracks.
Daily visibility monitoring
Follow an app and monitor positions, ratings and reviews across a recurring schedule so a keyword decline or one-star review can be acted on promptly.
Multilingual listing updates
Use the chat to translate titles and subtitles across supported locales, review character counts and save eligible listing fields to App Store Connect or Google Play workflows.
Agency reporting
Group followed apps by client, produce branded PDFs or share links, and schedule weekly client reports from the agency-oriented workspace features available on eligible plans.
Pros and Cons
Pros
- Uses store-sourced signals, including Apple's popularity score, rather than presenting only modeled search-volume estimates.
- Covers both the App Store and Google Play across competitor research, tracking and listing workflows.
- Combines keyword research, monitoring, localization and review-response work in one interface.
- Provides MCP access for several AI clients and a REST API for custom automation on paid plans.
- Supports agency-oriented workflows such as client tags, branded reports, share links and scheduled client emails on eligible plans.
Cons
- Some research and automation capabilities are plan-dependent, with different limits for reads, keywords, apps, chat credits and reports.
- The product's keyword data is tied to store reads and refresh schedules rather than an unlimited real-time feed; refresh frequency varies by plan.
FAQ
Do I need to connect my own app to read competitors?
No. Public App Store apps can be read without connecting your own app. You can follow an app as yours or as a rival when you want ongoing tracking; Google Play support is also available for relevant research and tracking workflows.
How can I use aso.best with AI assistants or scripts?
The MCP server connects to ChatGPT and Claude by signing in, while Claude Code, Cursor, Codex, VS Code and Windsurf use a bearer token. A REST API is also available on paid plans for scripts and other workflows.
How often are tracked keywords checked?
Tracked phrases are read in the store itself. Track reads them once a day, Pro twice a day, and Studio four times a day. A phrase that has not reached the top 50 for a week is checked every third day until it does.
Is there a free plan, and what do the paid plans cost?
The free plan allows three competitor reads per month, seven tracked keywords and 40 chat credits, with no card required. Paid monthly plans are Track at €6, Pro at €9 and Studio at €29 at the stated launch prices; annual billing is priced at ten months.
What happens if I exceed a keyword limit?
Going over a keyword cap does not delete existing keywords or stop the morning read. It prevents adding more until keywords are removed or the plan is changed.
Quick Facts
- Category
- App Store optimization and keyword research
- Storefronts
- Apple App Store and Google Play
- Primary users
- App marketers, app owners and agencies
- Automation
- MCP server and REST API
- Free access
- Free plan with competitor reads, tracked keywords and chat credits
- Launch-price plans
- Track €6/mo, Pro €9/mo, Studio €29/mo; annual billing is priced at ten months
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