Guides and tutorials for shipping iOS apps.

Practical, source-backed help for submissions, rejections, and the details that can slow down a launch.

Latest guide

Sep 2, 2026

Subscriptions and IAP

Sandbox vs Production Purchases: Why Your Paywall Works for You but Not Review

Separate StoreKit sandbox, TestFlight, App Review, and production purchase behaviour when an iOS paywall fails.

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All guides

31 guides

First submission

10

First submission App Store age rating Aug 13, 2026

App Store Age Ratings: Answer the Questionnaire Accurately

First submission App Store screenshots Aug 12, 2026

App Store Screenshots: Sizes, Devices, and Safe Claims

First submission App Store review time Aug 11, 2026

How Long App Store Review Takes and When to Contact Apple

First submission App Store review status Aug 10, 2026

App Store Review Statuses: What Each One Means

First submission TestFlight Aug 9, 2026

TestFlight vs App Store Review: What Each Test Proves

First submission App Review Aug 8, 2026

Demo Accounts for App Review: A Reliable Setup

First submission App Review Notes Aug 7, 2026

How to Write App Review Notes a Reviewer Can Follow

First submission App Store Connect Aug 6, 2026

App Store Connect Required Fields to Prepare Before Upload Day

First submission App Store submission Aug 5, 2026

The App Store Submission Checklist First-Time Founders Need

First submission App Store submission Aug 4, 2026

How to Submit Your First iOS App to the App Store

Rejection response

11

App Store rejections App Store rejection Aug 23, 2026

How to Break an App Store Rejection Loop

App Store rejections App Store rejection Aug 22, 2026

Should You Appeal or Resubmit an App Store Rejection?

App Store rejections App Store rejection Aug 21, 2026

How to Write a Useful Reply to App Review

App Store rejections App Store rejection Aug 20, 2026

Fix an App Store Screenshot Mismatch Rejection

App Store rejections App Store rejection Aug 19, 2026

How to Fix Rejected App Store Metadata Without Rebuilding

App Store rejections App Store rejection Aug 18, 2026

What to Do When Your Backend Is Unavailable in App Review

App Store rejections App Store rejection Aug 17, 2026

What Apple Counts as Placeholder or Incomplete Content

App Store rejections App Store rejection Aug 16, 2026

Fix an App That Crashes During App Store Review

App Store rejections App Store rejection Aug 15, 2026

How to Find the Real Failure Behind Guideline 2.1

App Store rejections App Store rejection Aug 14, 2026

A Practical Map of App Store Rejection Reasons

App Store rejections App Store rejection Aug 3, 2026

App Store Rejection: What to Do Next (2026 Guide)

Subscriptions and IAP

10

Subscriptions and IAP App Review Sep 2, 2026

Sandbox vs Production Purchases: Why Your Paywall Works for You but Not Review

Subscriptions and IAP App Review Sep 1, 2026

Subscription Stuck in Waiting for Review: The Item and Group Checklist

Subscriptions and IAP App Review Aug 31, 2026

External Payment Links on iOS: What Changes by Storefront and App Type

Subscriptions and IAP App Review Aug 30, 2026

Paywall Requirements for iOS Apps: Price, Billing Period, Terms, and Restore

Subscriptions and IAP App Review Aug 29, 2026

Apple Says Your Subscription Lacks Ongoing Value: How to Respond

Subscriptions and IAP App Review Aug 28, 2026

Restore Purchases on iOS: Where It Belongs and Why Reviewers Test It

Subscriptions and IAP App Review Aug 27, 2026

How to Make Your Paywall Reviewable Before Your App Is Live

Subscriptions and IAP App Review Aug 26, 2026

RevenueCat Products Not Loading During App Review: What to Check First

Subscriptions and IAP App Review Aug 25, 2026

In-App Purchase Not Submitted for Review: The App Store Connect Fix

Subscriptions and IAP App Review Aug 24, 2026

iOS Subscriptions and In-App Purchases: The Review-Ready Setup Guide