Check the acquisition promise
Read the store headline, screenshots and description. What problem is the app promising to solve?
Study the storefront ↗John P. Hoover · iOS
Explore the ad evidence, study the storefront, and build your next acquisition hypothesis.
01 / Creative research
Read the store headline, screenshots and description. What problem is the app promising to solve?
Study the storefront ↗Explore apps with direct store-link matches. Compare their hooks and formats without assuming the same approach works here.
Browse observed advertisers ↗Store rankings and revenue estimates describe market context. They do not establish ad spend, conversions or ROAS.
Review the market context ↗02 / Storefront & product
Study the product story and store experience behind the acquisition funnel.
03 / Market context
Keep revenue, downloads and store rankings separate from advertising performance.
I forget my fish ID Boot on this, my fourth, trip to Maui. I now prefer the app. It’s easier to find fish, and to be confident of your identification. I especially like the ability to filter out rarer fish. Well done!
Love the app! It would be extra fun to be able to use the app to save/organize my own photos.
I have John Hoover’s books and I use the app most because of the convenience for travel and multiple photos/videos. A few things that would make it a 5-star app: ability to sync sightings between devices and ability to make multiple sightings (you can add notes, but it’d be better if you could enter date and place in a form as well).
Updated January 2026. Covers all shallow-water reef fish commonly seen by snorkelers (and some rare ones too). Flip through screens like pages of a bo...