I just open-sourced kmp-ads, a Kotlin Multiplatfor...

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[Shiva Thapa]

I just open-sourced kmp-ads, a Kotlin Multiplatform ads layer for Android and iOS, and it’s now available on Maven Central.

The motivation was pretty simple: every time I added AdMob to a KMP app, I ended up rewriting the same platform glue and ad-state logic.

kmp-ads moves that into shared code:
• Placements and ad policies are data-driven, including frequency caps, warm-up, cooldowns, and premium suppression.
• Every ad decision has a reason, e.g. DailyCapReached(12) or consent not obtained.
• Compose Multiplatform ad slots for banners, native, interstitial, rewarded, rewarded interstitial, and app open ads.
• Built-in consent handling with Google's User Messaging Platform on Android and the equivalent flow on iOS.
• Debug builds automatically use test ads, and production ad unit IDs are validated at startup.
• iOS integration doesn't require exposing native interop throughout the shared code. Add Google Mobile Ads through Swift Package Manager and implement a small Swift protocol.
• Testable with a fake provider, controllable clock, and event recorder.
It's already the ads layer I use in my own apps.

GitHub: github.com/shivathapaa/kmp-ads

I'd especially love feedback from people building KMP/CMP apps. I'm interested in whether this abstraction fits how you're handling monetization today, and what you'd want to see added.