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You built your app in Base44. Despia gets it into the App Store and Google Play, with native billing, push notifications, install attribution, and offline support all included, no plugins required.

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In-app purchases, built in

Base44’s own documentation is direct on this:
“Digital goods: Do not use Stripe for payments inside your mobile app. Apple and Google require their own billing systems for digital content. If your app uses Stripe for digital content, your app is rejected.”
Base44 is actively working on a native billing integration. Until it ships, Base44 apps that sell digital content cannot be submitted to the stores. Despia includes RevenueCat today, working on both iOS and Android. 
import despia from 'despia-native'

const isDespia = navigator.userAgent.toLowerCase().includes('despia')

if (isDespia) {
    // Launch native paywall configured in your RevenueCat dashboard
    despia(`revenuecat://launchPaywall?external_id=${userId}&offering=default`)
} else {
    // Web fallback, link the purchase to their account
    window.location.href = `https://pay.rev.cat/<your_token>/${encodeURIComponent(userId)}`
}
Check entitlements on every app load, instant and offline-capable: 
const data    = await despia('getpurchasehistory://', ['restoredData'])
const active  = (data.restoredData ?? []).filter(p => p.isActive)
const premium = active.some(p => p.entitlementId === 'premium')

window.onRevenueCatPurchase = () => checkEntitlements()
The web fallback links the purchase to the user’s account via their ID. When they open the mobile app, the entitlement is already there.

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Push notifications, built in

OneSignal is included. Register the device and link it to your user on every app load: 
despia(`setonesignalplayerid://?user_id=${userId}`)

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Install attribution and ad analytics, built in

AppsFlyer ships with every Despia app: 
despia.appsFlyerReferrer     // 'tiktok_ad', 'meta_organic', 'organic'
despia.appsFlyerAttribution  // full attribution object
despia.appsFlyerUID          // unique AppsFlyer user ID

// Log conversion events to TikTok, Meta, Google
despia('appsflyer://log_event?event_name=purchase&event_values={"revenue":9.99}')

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App Store Guideline 4.2

Apple requires apps to have native functionality beyond what a website provides. Base44’s current wrapper is a lightweight WebView shell that does not include push notifications, offline capability, biometrics, or haptics. These are the features reviewers look for, and without them submissions run a high risk of rejection. Despia adds all of them via despia() calls from your existing Base44 web code. 
// Biometrics via Storage Vault
await despia('setvault://?key=confirmAction&value=yes&locked=true')
const result = await despia('readvault://?key=confirmAction', ['confirmAction'])

// Haptics
despia('successhaptic://')

// GPS
despia('location://?server=https://api.yourapp.com/track&buffer=10')

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Using Base44 with Despia

Your Base44 app is a web app with a URL. Point Despia at it, add native features using the AI prompts on each feature page, and publish from the Despia dashboard.
DespiaBase44 mobile
In-app purchasesBuilt in via RevenueCatNot supported (Stripe rejected)
Push notificationsBuilt in via OneSignalNot supported
Install attributionBuilt in via AppsFlyerNot supported
Offline supportFull, via localhost serverNot supported
Biometrics / Face IDBuilt inNot supported
HapticsBuilt inNot supported
OTA updatesFree, no MAU limitsWeb layer only
DeploymentOne clickGenerates IPA/AAB, manual upload

In-App Purchases

RevenueCat built in

Push Notifications

OneSignal built in

AppsFlyer

Attribution built in

Native Features

All despia() capabilities