Do it yourself
$109 per platform, one-time
The WebViewGold license: a finished Xcode or Android Studio project. Paste your URL, set name and icon, switch on features, build and submit. Free updates forever.
See plans on the main pageWhich payment method is allowed where
| What you sell | In the iOS app | In the Android app | On the web |
|---|---|---|---|
| Subscriptions, credits, premium features, digital content | In-App Purchase (RevenueCat) | Google Play Billing (RevenueCat) | Stripe |
| Physical goods, deliveries, tickets, bookings, services performed outside the app | Your web checkout is fine | Your web checkout is fine | Stripe |
| Reader-type content purchased elsewhere | May be consumed without IAP, with no purchase links in the app | Allowed with restrictions | Stripe |
Prompt for ChatGPT & Codex
Paste this into ChatGPT & Codex to implement the web-app side. Review the result, publish, then test inside the WebViewGold app.
Prompt for ChatGPT or Codex
Prompt for Codex: Add in-app purchases for the WebViewGold app wrapper and open a pull request. When navigator.userAgent contains my custom WebViewGold token, hide the web checkout and show Buy credits, navigating to revenuecat://purchase?external_id=USER_ID&product=credits_100, and Restore purchases, navigating to restoreinapppurchases://. Add a webhook endpoint that verifies the Authorization header against REVENUECAT_WEBHOOK_SECRET and, on INITIAL_PURCHASE or NON_RENEWING_PURCHASE events, adds credits to a credit_ledger table for event.app_user_id. Deduct credits in the server-side OpenAI call. Show the balance in the UI. Add to AGENTS.md: inside the app, digital goods use revenuecat:// only, no external payment links.
WebViewGold has allowed us the shortest and most efficient time-to-market ever possible from among all the other app platforms we have ever tried during the past 5 years. I don’t know why I hadn’t discovered you sooner, but I am really, really glad I did. Currently nearing 6000 app downloads on both iOS App Store & Google Play Store without any problem!
Set up in-app purchases for a ChatGPT & Codex app
RevenueCat is free up to a monthly revenue threshold and syncs both stores.
Create the products in App Store Connect and the Play Console
Define your subscription or one-time product with identical identifiers on both stores (for example
pro_monthly). Apple requires the Paid Apps agreement signed by the account holder.Connect both stores to RevenueCat
Create a RevenueCat project, add the iOS and Android apps, paste the store credentials and define an Offering with your products. Optionally design a native paywall in the RevenueCat dashboard.
Enable RevenueCat in WebViewGold
Paste the RevenueCat API key into Config.swift and Config.java (or the Cloud Builder). Done on the native side.
Trigger purchases from your ChatGPT & Codex app
Navigate to
revenuecat://purchase?external_id=USER_ID&product=pro_monthlyfrom your upgrade button, or show the native paywall withrevenuecat://launchPaywall?external_id=USER_ID&offering=default. Use the user ID from Your own API or serverless functions as external_id.Unlock features in your backend
Point a RevenueCat webhook at Your own API or serverless functions and set the user's plan when a purchase or renewal event arrives. Your web app then shows the premium features exactly as it does for Stripe customers.
Hide the web checkout inside the app
Detect the app via the custom user agent WebViewGold sends and show the IAP button instead of the web checkout. Apple rejects apps that link out to external payment pages for digital goods.
Rules to respect
- Apple Guideline 3.1.1: digital goods and services unlocked in the app must be sold via In-App Purchase. Do not show "cheaper on our website" hints or external checkout links inside the iOS app.
- Google Play Billing policy: the same applies to Android with a few exceptions and regional user-choice programs.
- Subscriptions must be restorable: WebViewGold handles the native restore flow (
restoreinapppurchases://); show a "Restore purchases" link in your settings. - In-app purchase support in WebViewGold requires the Extended License (see license upgrade).
- Apple's Small Business Program and Google's 15% tier reduce the store fee for the first $1 million in annual revenue; RevenueCat supports both.
Frequently asked questions
Can I keep Stripe for my ChatGPT & Codex web app?
Yes. The web stays as it is. Only purchases made inside the iOS and Android apps go through the stores. Many apps run both: Stripe on the web, IAP in the apps, with one plan field in the database.
Does Apple take 30 percent?
Apple and Google take 15 percent for most small developers (under $1 million per year through the Small Business Program / 15 percent tier) and 30 percent above that. The price difference is usually worth the reach of the stores.
Can I sell credits for AI features through IAP?
Yes. Consumable in-app purchases are made for credits. Define the consumable in both stores, map it in RevenueCat and add the credits in Your own API or serverless functions on the webhook event.
Do I need the native paywall?
No. You can keep your own pricing page inside the web app and just call revenuecat://purchase from the buy button. The native RevenueCat paywall is optional and can be A/B tested from the dashboard.
Three ways to get your app into the stores
Same result, different amount of work on your side. All three come with the approval guarantee and 24/7 human support.
Cloud Builder
$349 per license, one-time add-on
No Mac, no Xcode, no Android Studio: configure in the browser, we build both apps in the cloud and hand them to App Store Connect and the Play Console.
How the Cloud Builder works Try the free demoFull Service
$698 per platform $798
Send us your URL and icon. Our team configures, builds and delivers your app within 72 hours, white-label, with source projects. Both platforms for $1,158.
Full Service details Powered by
Winter Sale prices valid until December 31, 2026.