Check the acquisition promise
Read the store headline, screenshots and description. What problem is the app promising to solve?
Study the storefront ↗Alventir Ltd · 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 want to support this developer because a canvas-based calculator is exactly what iOS needs. The app is clean and the linking feature is promising. However, the input logic is currently too rigid for dynamic work. The automatic parentheses (e.g., 1/2+3 becoming ((1/2)+3)) cannot be moved or deleted, making mid-calculation edits very difficult. Without an undo feature, mistakes require too much manual correction. This could be a 5-star app with more flexible editing and standard math input rules.
Can’t find a way to contact support. Calculator not working on iOS 18.2 (22C5131e), just get a black screen past the documents view.
When you need more than a basic calculator, but do not want a spreadsheet. Caldy is a visual calculator: linked values are clearly shown with connect...