ios app store guardrails
Pre-submission guardrails to catch App Store rejections and StoreKit bugs in AI-generated iOS code.
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Grok+17 agentsios app store guardrails
Example session with this skill installed
I'm using StoreKit 2 for my subscription app. Here is my PurchaseManager.swift. Can you check if I'm ready for App Store submission?
- Read your context and instructions
- Compiled the ios app store
- Generated the document
I have reviewed your PurchaseManager.swift against the App Store Review Guidelines and StoreKit 2 best practices. While your purchase logic is functional, there are two critical issues that will lead to a rejection and one bug that could lose you revenue.
App Store Review & StoreKit Audit
| Issue | Severity | Guideline / Pitfall | Recommendation |
|---|---|---|---|
| Missing Transaction Listener | High (Revenue Risk) | StoreKit Pitfall #4 | You are missing a background task to listen for Transaction.updates. If a user completes a purchase but the app crashes before your purchase() function returns, they will be charged but never receive their content. |
| No Restore Purchases | Critical (Rejection) | Guideline 3.1.1 | Apple requires a visible 'Restore Purchases' mechanism. Your current implementation only checks for active entitlements on init, which is insufficient for users switching devices. |
| Missing Privacy Description | Critical (Rejection) | Guideline 5.1.1 | Your code imports AdSupport but I don't see the NSUserTrackingUsageDescription key in your project context. This is an immediate rejection. |
Recommended Fix: Transaction Listener
Add this task to your PurchaseManager initializer to ensure you catch transactions that occur outside the direct purchase flow:
var updateTask: Task<Void, Never>? = nil
init() {
updateTask = listenForTransactions()
}
func listenForTransactions() -> Task<Void, Never> {
return Task.detached {
for await result in Transaction.updates {
do {
let transaction = try self.checkVerified(result)
await self.updateCustomerProductStatus()
await transaction.finish()
} catch {
print("Transaction failed verification")
}
}
}
}
Next steps
- Implement the
Transaction.updateslistener shown above. - Add a "Restore Purchases" button to your UI that manually triggers
try await AppStore.sync(). - Verify your Info.plist contains the necessary usage descriptions for any data collection.
Note: This review catches common failure modes but does not guarantee App Store approval as Apple's review process is subjective.
ios-app-store-guardrails.pdf
PDF · document
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What you get
About this skill
The problem
AI assistants often generate iOS code that builds and runs perfectly in the simulator but fails Apple's manual review process. These "vibe-coded" apps frequently ship broken paywalls that let users access premium features for free or trigger immediate rejections for missing privacy requirements.
What it does
- Audits Swift and SwiftUI code for App Store Review Guideline violations, specifically targeting hidden requirements like account deletion and tracking consent.
- Performs a deep-dive check of StoreKit implementations to find race conditions, missing transaction listeners, and failed entitlement checks.
- Reviews Xcode project configurations, including Info.plist keys, capabilities, and entitlements that cause metadata rejections.
- Provides direct Swift code fixes for identified bugs, categorized by severity from "Will get rejected" to "Best practice."
Frameworks & tools
Swift, SwiftUI, StoreKit 2, Xcode project configuration, and App Store Connect metadata.
Why this beats prompting it yourself
Generic LLMs don't know the specific patterns that trigger Guideline 3.1.1 or 5.1.1 rejections. This skill uses a specialized reference library of common AI-generated coding errors and Apple's historical rejection patterns to catch what a standard "review my code" prompt misses.
Use cases
- Reviewing a new app submission to prevent the 48-hour rejection cycle.
- Debugging a "Restore Purchases" button that doesn't seem to do anything in production.
- Fixing specific Guideline violations after receiving a rejection message from Apple.
- Ensuring a paywall implementation correctly handles transaction updates and app relaunches.
Known limitations
Does not provide legal or tax advice. Apple's manual review process can be inconsistent, so this tool cannot guarantee 100% approval, only catch documented failure modes.
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