Building cross-platform subscriptions is a nightmare. Users subscribe on iOS, expect access on web, and cancel on Android. Orca gives you a single API to manage entitlement states across all app stores, Stripe, and GoCardless, with zero percentage revenue tax.
// Unified Mobile Billing System (Normalized Event Stream)
{
"user_id": "user_892",
"entitlement": "pro_tier",
"platform": "app_store",
"is_active": true,
"mrr_contribution": 9.99,
"currency": "USD",
"expires_at": "2027-07-10T12:00:00Z"
}Complete in-app purchase backend and server-side receipt validation.
Stop maintaining fragile custom receipt parsers and store webhook syncers. Orca handles StoreKit 2, Google Play Billing SDK 7+, Stripe, and GoCardless with zero percentage tax.
Integrate Flutter, React Native, iOS Swift (StoreKit 2), Android Kotlin, and Web Stripe with a unified API. One line of code to grant, verify, and revoke user entitlements anywhere.
Direct cryptographic verification with App Store Server API V2 and Google Play Developer RTDN. Edge cached in under 14ms so your users experience instant unlock without checkout lag.
Why pay RevenueCat or Adapty a 1% tax on your gross MRR? Orca is the leading flat-rate RevenueCat alternative, giving you enterprise infrastructure without taxing your scale.
Designed for extreme developer clarity.
Test your entire cross-platform billing pipeline in real-time. Copy code snippets, simulate inbound webhook events, and view detailed debugging matrix logs below.
import 'package:orca/orca.dart';
// Cross-Platform IAP Wrapper for Flutter
// Unified StoreKit 2 & Google Play Billing SDK state check
final hasAccess = await Orca.checkEntitlement('pro_tier');
if (hasAccess) {
print("Pro features unlocked across iOS, Android, and Web.");
}Mobile subscription analytics & app MRR tracking dashboard.
Get real-time normalized subscription event data streaming into your database. Calculate subscriber churn analytics, cohort retention for mobile apps, and customer LTV across iOS, Android, and Web.
Build dynamic paywalls with no-code paywall A/B testing tools, launch in-app win-back campaigns, and customize subscription localized pricing per country without pushing app updates.
Unified metrics aggregate cross-platform payments from Stripe Web, Apple StoreKit, and Google Play, with real-time exchange rates.
Trusted by tech leaders and subscription operators.
"Multi-platform in-app purchase backends are a massive operational tax. Orca solves mobile subscription infrastructure cleanly at the entitlement layer instead of skimming a 1% revenue cut."
"Switching our Flutter and iOS Android billing integration to Orca saved us tens of thousands in gross revenue fees while giving us sub-15ms server-side receipt validation."
"Most entitlement leaks occur during store transitions. Normalizing StoreKit 2 and Google Play Billing events under a single real-time MRR tracking dashboard is game-changing."
"Orca's dynamic paywalls and localized pricing allowed us to run A/B conversion tests across 140+ countries without waiting on App Store review approval."
Brutally simple pricing. No revenue tax.
Stop paying a gross revenue tax on your scaling subscription infrastructure. Predictable, transparent flat tiers.
Get your cross-platform state up and running in minutes, completely free until you have a real user base.
At 10k active users, RevenueCat charges ~$700/mo. Orca provides dedicated routing and premium insights for a flat $299.
Bespoke solutions for the world's largest software companies needing dedicated infrastructure and SLAs.
Permanently visible high-contrast add-ons. Boost capabilities as your cross-platform operation matures, keeping initial purchase frictionless.
// PER 50GB DATABASE VOLUME
Store years of cross-platform transaction histories. Scale your immutable ledger infinitely without upgrading your core routing tier.
// REQUIRES PRO TIER
Expose your master catalog to your AI agents. Automate product creation, subscription mapping, and entitlement logic across all 6 platforms.
// ADVANCED AI PREDICTOR SUITE
Let the engine analyze your cross-platform elasticity, predict cohort churn before it happens, and recommend exact price adjustments to maximize LTV.
A heads-up comparison of subscription validation architectures, pricing models, and SDK ecosystems. Why mobile developers choose Orca over legacy wrappers.
| Architectural Feature | Orca | RevenueCat | Adapty / Apphud | Superwall |
|---|---|---|---|---|
| Revenue Tax (Platform Fee) | 0% (Flat Tiers Only) | Up to 1.0% Gross MRR | Up to 1.0% Gross MRR | Add-on paywall pricing |
| Cross-Platform IAP Wrapper | iOS, Android, Desktop, Web | iOS & Android (Limited Desktop) | iOS & Android | Paywall UI Only |
| Server-Side Receipt Validation | Edge Cached (<14ms) | Central API (150-400ms) | Central API (200-500ms) | Requires 3rd-Party Backend |
| Dynamic Paywalls & A/B Testing | Included at 0% Tax | Tier-Gated ($1,000s/mo) | Included (Revenue-Taxed) | Specialized Paywall Engine |
| Real-Time MRR & Churn Analytics | Edge Stream + Raw SQL | Dashboard Metrics | Dashboard Metrics | Paywall Analytics Only |
| Transaction Data Ownership | 100% (Direct DB Streams) | Proprietary Lock-in | Proprietary Lock-in | Proprietary Lock-in |
Frequently Asked Questions on In-App Purchases & Billing
Everything you need to know about server-side receipt validation, cross-platform IAP wrappers, and migrating from RevenueCat or Adapty.
Integrate with iOS, Android, and Web backends in less than an hour.