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What is a Referral Program? How to Build, Track & Protect One That Actually Works
A very high percentage of app teams start a referral program with the assumption that it will run itself. Motivate users to share an invitation link and watch the installs roll in. In reality, this is not the way things go. Teams regularly get confused about which installs are referrals

Personally Identifiable Information Examples: Types, Digital PII and Global Privacy Rules
Personally identifiable information (PII) is information that can identify a person, either on its own or when combined with other information that can be linked to them. A name, phone number, email address, and government ID are obvious examples. But PII can also include information that looks purely technical, such

How To Benchmark And Boost App Opt-In Rate
App opt-in rates tell you how many users agreed to a permission request in a mobile application. That’s useful. But it doesn’t tell you why they agreed, whether they’ll ever engage with what they consented to, or whether that consent contributes anything meaningful to your growth metrics. Those questions matter
QR Code Tracking: How It Works, Why It Matters, and How to Get It Right
The QR code has been forced to move from the restaurant menu to the self-checkout stand. There are more than 102 million people in the US alone who will be scanning a QR code this year, and the global QR Code industry has reached a value of more than $13

Metaverse App: What It Is, How It Works, and How to Build One
Metaverse apps are any application that allows users to enter a persistent, shared 3D space rather than touch a flat screen. Instead of menus and buttons, this type of experience provides a world you can move through, build, and interact with—with others in real time. Product and growth teams are

What are WhatsApp Deep Links (And Why Should You Care)?
More than three billion people use WhatsApp every day. In most markets, it isn’t just another messaging app sitting alongside ten others. It’s the default. It is the messaging app people open without thinking, the app they use to ask questions, compare options, and make decisions before they ever call

Alternative App Stores: A Marketer’s Guide to Distribution Beyond Google Play and the App Store
In 2026, on July 22, Google initiated the process of permitting third-party US Android app stores access to the Play Store’s application catalog in response to the legal decision of the Epic v. Google case. Along with the implementation of the EU’s Digital Markets Act and the launch of the

Word of Mouth Marketing: How to Build It Into App Growth
Word of mouth advertising is an unpaid promotion that comes from a friend’s word, a user’s review, or a user’s shared link, not something that a business spends money to advertise. This is effective because people tend to have more trust in what they hear from fellow consumers than what