Skylar

CastarSDK β€” Passive, privacy-first monetization for modern apps

byβ€’

Hi Product Hunt! πŸ‘‹

As developers, we know how tough it can be to monetize an app without compromising user experience. Ads interrupt, subscriptions can create friction, and not every app suits a paywall.

That's why we built CastarSDK β€” a lightweight SDK that enables passive revenue by utilizing idle public network bandwidth. Here's what makes it different:

  • πŸš€ Completely invisible to users (no ads, no pop-ups)

  • πŸ”’ Privacy-respecting: collects only public network data

  • ⚑️ Minimal impact on app performance and battery

  • πŸ›  Easy integration: set up in minutes

Whether you're building a utility app, a game, or any app where a clean experience matters, CastarSDK can help you generate steady income β€” without changing how users interact with your app.

We're excited to hear your feedback!
Feel free to ask us anything below πŸ‘‡

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