Cool Developer
Your App Store numbers, read back to you in plain language.
App Store Connect hands you tables and leaves the reading to you. Cool Developer opens on the sentence instead: what happened over the window you picked, which step of the funnel is leaking, and the three things worth doing next — each carrying the arithmetic that produced it, so you can disagree with it. Underneath sit the numbers themselves: downloads, revenue, MRR, subscriptions, refunds, reviews, proceeds and payout history, in every storefront’s own currency. Your key lives in the iPhone’s Keychain, the reports stay on the phone, and the analysis runs on-device unless you hand it a provider of your own.

Everything you need, nothing you don't
The details that make Cool Developer feel effortless.
The numbers in a sentence
The dashboard opens on plain English about the window you picked, with the figures picked out inline and the weakest step named.
The path to a paying user
Impressions to page views to downloads to subscriptions, drawn as one narrowing shape — with the step furthest below its benchmark flagged as a leak.
Three things to do next
Rules over your own figures produce ranked recommendations, each with the steps, what it is worth, the effort and the confidence.
Where the money went
The latest settled fiscal period, your share against Apple’s commission and tax, this month’s pace against a goal, and the payout history.
Country, device, product, source
See the mix behind every total, switchable between units and money, converted from all your storefront currencies.
Your key stays on the phone
The private key sits in the Keychain and the reports are cached locally. Analysis runs on-device unless you choose a provider and supply your own key.
See it in action
Tap any screen to open it full-size.
Built with a modern stack
- SwiftUI
- App Store Connect API
- Swift Charts
- Keychain
- StoreKit 2
- RevenueCat
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