SPACEPORT BLOG

Latest articles.

Practical guides for shipping iOS apps faster. ASO, App Store Connect, SwiftUI patterns, and lessons from real launches.

RSS
iOS Billing Grace Period and Billing Retry, Explained
SubscriptionsStoreKitApp Store Connect

iOS Billing Grace Period and Billing Retry, Explained

When an iOS subscription renewal fails, billing retry and the billing grace period keep customers in access while Apple retries. How to handle both.

9 min
How iOS Subscription Groups, Upgrades, and Downgrades Work
SubscriptionsStoreKitApp Store Connect

How iOS Subscription Groups, Upgrades, and Downgrades Work

How iOS subscription groups control upgrades, downgrades, and crossgrades: what a level is, when each change takes effect, and how to read status in code.

9 min
How to Add a Free Trial to an iOS Subscription
SubscriptionsStoreKitRevenueCat

How to Add a Free Trial to an iOS Subscription

A free trial on an iOS subscription is an App Store introductory offer. Here is how to set one up, show it in your paywall, and test it before you ship.

10 min
MCP Servers for iOS Development: The Ones Worth Adding to Your Setup
MCPiOSXcode

MCP Servers for iOS Development: The Ones Worth Adding to Your Setup

The MCP servers worth adding for iOS: XcodeBuildMCP for builds and the simulator, UI-automation servers, and Apple's native mcpbridge. Plus how to add one.

9 min
MCP and iOS Boilerplates: Why the Starter Kit Belongs Inside Your Agent
MCPAIClaude Code

MCP and iOS Boilerplates: Why the Starter Kit Belongs Inside Your Agent

MCP turns an iOS boilerplate from a zip you download into a tool your AI agent can call. What changes, what it fixes, and how the Spaceport MCP server works.

10 min
How to Avoid App Store Rejection: The Common Reasons and How to Pass Review
App StoreiOSApp Store Connect

How to Avoid App Store Rejection: The Common Reasons and How to Pass Review

Common App Store rejection reasons and how to pass review the first time: crashes, privacy manifests, metadata, In-App Purchase, and Sign in with Apple.

9 min
Pre-Launch Tools: What to Set Up Before You Ship an App
IndieLaunchWaitlist

Pre-Launch Tools: What to Set Up Before You Ship an App

The pre-launch tools worth setting up before you ship: waitlist and survey, a landing page, analytics, feedback. Why a survey beats collecting emails only.

9 min
RevenueCat Alternatives for iOS: The Honest 2026 Guide
RevenueCatiOSSubscriptions

RevenueCat Alternatives for iOS: The Honest 2026 Guide

The best RevenueCat alternatives for iOS: Adapty, Qonversion, Apphud, Superwall, and StoreKit direct. What each does, pricing, and how to pick one.

9 min
How an iOS Subscription Actually Works, End to End
iOSSubscriptionsStoreKit

How an iOS Subscription Actually Works, End to End

How an iOS subscription works end to end, from App Store Connect to your app unlocking. The four layers, the purchase flow, entitlements, with diagrams.

8 min
RevenueCat vs Adapty: Picking a Subscription SDK for Your iOS App
RevenueCatAdaptyiOS

RevenueCat vs Adapty: Picking a Subscription SDK for Your iOS App

RevenueCat vs Adapty for iOS subscriptions. Free tiers, platform coverage, paywall A/B testing, and integrations, plus which one fits an indie app.

9 min
RevenueCat vs Superwall: Which One Does Your iOS App Actually Need?
RevenueCatSuperwalliOS

RevenueCat vs Superwall: Which One Does Your iOS App Actually Need?

RevenueCat vs Superwall for iOS. They solve different problems and are often used together. How the pricing models differ, and how to pick for your app.

9 min
The App Store Small Business Program: A Guide for Indie iOS Developers
App Store ConnectiOSMonetization

The App Store Small Business Program: A Guide for Indie iOS Developers

The App Store Small Business Program cuts Apple's commission to 15%. Who qualifies, how to enroll, the associated-accounts rule, and whether it's worth it.

9 min
Community appsJoin Discord