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Engineering
6 MIN READ
3 reasons NOT to use StoreKit
Limitations of StoreKit and its alternative to build, learn and grow in-app subscriptions.
10 MIN READ
Adding In-App Subscriptions to your iOS app using Glassfy, SwiftUI, and Swift Concurrency
At some time in your journey as an iOS developer, whether you work for a company, or you are an independent developer creating your own…
4 MIN READ
Countdown to mandatory move to Google Billing 5
The inevitable move to Google Billing 5 is coming in hot, here is a rundown and a reminder you do not have to handle that migration alone.
3 MIN READ
How to integrate subscriptions in your iOS app using Glassfy and Swift.
Subscriptions are one of the most successful business models to monetize apps. While we covered the benefits of in-app subscriptions in…
5 MIN READ
Integrating a Paddle License Key
As a developer in the Apple eco system, you are probably familiar with Apple’s in-app purchase system that allows you to configure your application to enable one-time purchase or subscriptions that will unlock additional features…
4 MIN READ
iOS: What App Owners Need to Know about Receipt Validation
Receipt validation, server-side verification, on-device validation and now transaction-side: We know it can be somewhat confusing at the best of times to truly grasp what your iOS stack should look like for your in-app purchases & subscriptions, not to mention the endless jargon adding to further complexity for app leaders.
5 MIN READ
Restore Purchases: Quick guide for App Developers
This is your quick guide to understanding the what, why, and how of restoring purchases in-app and why it is critical for the user experience of your end users.
2 MIN READ
Solving for "SKU not returned" in App and Play Stores
We have all been there (luck if you haven’t) when the dreaded error of SKU not returned pops up, here is a quick guide.
4 MIN READ
Stripe vs. Paddle: Making the Right Choice for Your Subscription App Business
A critical part of your monetization strategy should include selling your service via the web, here we dive into the best way to evaluate what is right for you when deciding a provider.
8 MIN READ
Top iOS App Tech Stack in 2023: A Comprehensive Guide
A carefully chosen tech stack can significantly impact the development process, app performance, and user experience. In this article, we will explore the top iOS app tech stack for 2023.
2 MIN READ
Unleash the power of Glassfy webhooks
Glassfy can send you a notification each time a purchase or a subscription event happens in your app. Find out how!
2 MIN READ
Upgrade & Downgrade Subscriptions on App Store and Play Store
Allowing users to upgrade and downgrade subscriptions will improve the retention and the UX: in this article we will explain how to handle it on iOS and Android
3 MIN READ
When to build vs buy in your App Tech Stack
There are hundreds of tools we can use to scale our App Organisation, here is your quick guide to understand when to consider building vs buying those tools.
3 MIN READ
Why you're not getting what you need from your own Storekit implementation
First and foremost lets start with the two different ways to setup app subscriptions. On device vs with a backend - in this deep dive we will focus on if you decided to build and manage a backend. If you went with the on-device route, skip ahead to the Glassfy benefits.

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