Check the acquisition promise
Read the store headline, screenshots and description. What problem is the app promising to solve?
Study the storefront ↗Purgatory Design · 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 used HP rpn calculators back in the day, and this app does a nice job or recreating it. One hint: decreasing the display size increases the space between buttons.
1. Keys are too small. Need to make them bigger by reducing dead space between them. 2. Don't like how the keys invert when you push the 2nd function button.
It's a lot like the free classic rpn, but looks like an iPhone app. Don't like how the buttons switch when you hit the orange second button. Kinda near at first, but annoying. The stack can be four lines, but the LCD stays the same size so the numbers are really tiny. Overall a nice effort, but not too impressive.
A scientific RPN calculator inspired by traditional HP calculators but created specifically for the iPhone and iPod touch. It features a standard fou...