Hyo Dev
- 10 followers
- Korea, South
- https://www.hyo.dev
- hyo@hyo.dev
An open source studio in Seoul, building standards, libraries, and products for developers.
In-app purchases are critical infrastructure, but every store ships its own API, types, and events. OpenIAP is one type-safe purchase contract that spans all of them, so product logic is written once.
Stores covered
| Store | Platform |
|---|---|
| App Store | iOS · macOS · visionOS |
| Google Play | Android |
| Amazon Appstore | Fire OS |
| Meta Horizon | Horizon OS |
| Vega OS | Fire TV |
Native core — openiap-apple (StoreKit 2) · openiap-google (Play Billing)
Framework SDKs — expo-iap · react-native-iap · flutter_inapp_purchase · kmp-iap · maui-iap · godot-iap
Purchase validation and entitlement infrastructure for the OpenIAP ecosystem — open source, with a hosted dashboard.
- Purchase verification — server-side receipt validation for every store
- Entitlements — subscription state tracked from store lifecycle events
- MCP operations — your coding agent creates and syncs store products
- Revenue visibility — MRR, churn, and refunds from connected notifications
OpenIAP is sponsored by Meta and Amazon Developer, funding the maintenance, testing, and shared infrastructure behind one purchase contract for every store.
If your company relies on OpenIAP in production, consider supporting its long-term development:
→ github.com/sponsors/hyodotdev · sponsorship options
www.hyo.dev · hyo@hyo.dev · Seoul, South Korea
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Repositories
- openiap Public
Standardized protocol for in-app purchases across all platforms — backed by Meta & Amazon
- .github Public
- locanara Public
On-device AI framework inspired by LangChain, purpose-built for mobile. Build, compose, and extend AI features using platform-native models — all processing happens locally on the device.
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