igtrackr
Track any public Instagram account's followers, free
What is igtrackr?
igtrackr is a free Instagram analytics and follower-tracking tool that works on any public account, with no login and no app install. Paste a handle to see followers, recent follows, unfollows, engagement rate and top posts, then track changes over time with daily and weekly updates on a saved dashboard. It includes a Profile Analyzer, Follower Viewer, Engagement Rate Calculator, Hashtag Analyzer and CSV/JSON export. Free to start, with Pro and Agency plans for more tracked profiles and longer history.
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FounderPlaybooks.
What other founders did to grow.
2722 dispatches from hundreds of founders, pulled from the week's best podcasts.
I researched and initially copied the best of my competitor's videos from TikTok and just worked two times harder than they did
Clone Your Competitors' Best-Performing Formats Before Creating Anything Original
Before creating any original content, Maddox reverse-engineered 10-20 of his competitors' top-performing videos — analyzing hooks, CTAs, and what drove virality. He then replicated the proven format at twice the posting volume. This turns launching from a guessing game into an evidence-based sprint: your first viral hit borrows from formats that already work.
Our big focus right now is data and experimentation — really creating a lot more rigor in how do we test and learn, whether it's the change in a color of a button or the length of our trial. Those are things that are really essential in kind of growth hacking the conversion rate and acquisition of new subscribers.
Data and Experimentation Rigor Is the Core Growth Lever for Subscription Conversion
Rachel Chukura names data infrastructure and structured experimentation — not paywall design or pricing instincts — as the primary lever for improving trial-to-paid conversion. By investing in their data position first, The Weather Company can now run disciplined tests across the full end-to-end funnel. For any subscription app serious about conversion optimization, getting the data infrastructure right is a prerequisite for meaningful growth hacking.
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