Reactive Playground vs AppSales：RevenueCat&Analytics

Reactive Playground is a visual learning app for reactive programming. Instead of reading operator definitions only, you can play with marble timelines directly. Pick a category, open an operator, move events around, edit their values, clone items, remove them, or turn them into errors and completed events. The output updates live so you can understand what each operator really does. Explore operator categories such as: Transforming Filtering Combining Error Handling Utility Each playground shows a source timeline, an output timeline, a short explanation, and a code-style example. It is useful for learning ReactiveX concepts, reviewing operators, or quickly refreshing how a stream behaves before using it in code. Reactive Playground is made for developers, students, and anyone learning Rx-style reactive programming.

Keep your app business in view. AppSales brings your App Store Connect sales, proceeds, downloads, and product performance together on iPhone and iPad. Connect multiple developer accounts, switch between them, or see a combined overview. Home Screen widgets keep your latest available data close at hand. Stay updated on order status in real time and receive timely notifications for in-app purchases, renewals, and refunds. Quickly track business trends based on sales performance and app metrics from the last 24 hours; received order notifications are automatically saved locally for easy reference at any time. FEATURES • Sales at a glance See sales, developer proceeds, new users, downloads, and payment counts in one dashboard. • Finance & Reports Explore estimated daily proceeds in a calendar and review proceeds from Apple's financial reports. View amounts in their original currencies and an estimated USD total. Filter by month and account. A published financial report does not mean Apple has sent payment. • Trends and history Spot changes with line charts, bar charts, and calendar views. Explore monthly, yearly, and historical data, or choose a custom date range. • Multiple accounts Manage multiple App Store Connect accounts in one place. Switch accounts or bring their data together. • Flexible filters Break down performance by app, product, region, and date range. • App and product insights Explore sales, downloads, proceeds, and regional performance across your apps and products. • Rankings and ratings Follow public App Store ratings and chart positions with widgets. • Home Screen widgets Choose from sales, trends, calendars, latest figures, rankings, and ratings. Check your numbers without opening the app. • Background updates AppSales checks for new reports and updates local data and widgets when iOS allows it to run in the background. Refresh timing is managed by the system. PRIVATE BY DESIGN No AppSales account is required. Your App Store Connect API credentials are stored in the iOS Keychain, and full business reports stay on your device. We do not operate servers that store your business data. AppSales contains no advertising SDKs or third-party behavior analytics SDKs. Your connection credentials and business reports are not uploaded to AppSales servers. TRY IT FIRST Explore the built-in demo before connecting an account. Try the dashboard, charts, product details, and other key features with sample data. GOOD TO KNOW Apple determines report availability, historical coverage, and reporting methods. iOS schedules background refreshes, so updates cannot be guaranteed at a specific time. Some amounts may be estimated using public historical exchange rates when Apple's official reports are not yet available. AppSales is an independently developed third-party tool. It is not affiliated with, authorized by, or partnered with Apple Inc. App Store, App Store Connect, iPhone, and iPad are trademarks of Apple Inc. Monthly and annual subscriptions are billed to your Apple ID account and renew automatically. You can cancel anytime in your system subscription settings; access continues until the end of the current paid period. Eligible free trials automatically renew on the selected plan when the trial ends. Lifetime access is a one-time purchase. Privacy Policy: https://zhuanlan.zhihu.com/p/2089394088604873357 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/