Free · No sign-up

Growth tools.

Check your app listing, SEO, speed and AI visibility, and do the growth maths — free.

AI assistants

App Review Insights

AI turns your app reviews into clear priorities.

Headline Analyzer

Score a headline and get 5 better versions.

App Store Copy Writer

AI writes your app title, subtitle, keywords and description.

Blog Outline Generator

An SEO-ready post plan in seconds.

App growth

App Store Listing Checker

Score any App Store or Play Store listing and get fixes.

Competitor App Compare

Two app listings side by side, check by check.

Website & SEO

SEO Score Checker

On-page SEO audit for any URL in seconds.

Page Speed Test

Core Web Vitals for phone and desktop, explained simply.

AI Search Readiness Checker

Can ChatGPT, Claude and Perplexity read your site?

Share Preview Checker

See how your link looks on LinkedIn, X and WhatsApp.

Meta Tag Generator

Ready-to-paste title, description and share tags.

Content

Content Analyzer

Readability, reading time and keyword density.

Growth maths

UTM Link Builder

Build tracked campaign links in seconds.

CAC / LTV Calculator

Unit economics with a plain-English verdict.

Retention Curve Calculator

Plot D1 / D7 / D30 retention against benchmarks.

DAU/MAU Stickiness Calculator

How habit-forming is your product?

Funnel Conversion Calculator

Find the biggest leak in your funnel.

A/B Test Significance Calculator

Is your winner real? Plus the sample size you need.

Viral K-Factor Calculator

Is your referral loop actually viral?

Churn & MRR Calculator

Net revenue retention, churn and MRR growth in one view.

India fintech

UPI Market Share Tracker

Who leads UPI payments in India — PhonePe, Google Pay, Paytm, Navi.

Gold Loan Calculator

How much loan your gold can get, and what it costs.

MCP · Free · No login

Use Growth Bug inside your AI assistant

Connect Growth Bug to ChatGPT, Claude, Cursor or any MCP-compatible assistant. It can then search and quote every Growth Bug article, run SEO, AI search readiness, share preview and App Store checks, and do CAC/LTV, A/B test and UTM maths for you.

https://growthbug.com/mcp

Claude: Settings → Connectors → Add custom connector → paste the address.
ChatGPT: Settings → Apps & Connectors → Create (developer mode) → paste the address.
Cursor / others: add a remote MCP server with the address above.