Section 5 of five
The place where all of this is finally settled
WhatsApp, WeChat, TikTok's US divestiture law, Telegram, Duolingo's streak mechanic, BeReal's sale, and the retention numbers on AI assistant apps since 2023.
Everything in The Apps
5 pieces-
The Apps · piece 1
One App That Contains the Others
WeChat's superapp architecture — mini-programs, payments, identity — and why it represents a model that neither Apple nor Google's store rules were written to accommodate.
Covers Tencent's published platform figures and the regulatory questions the model raises in markets outside China. -
The Apps · piece 2
TikTok and the Law That Named It
The Protecting Americans from Foreign Adversary Controlled Applications Act (2024), its timeline, the court challenges ByteDance brought, and where the divestiture process stood as of the most recent published filing.
Every date from the Congressional Record and published court dockets. -
The Apps · piece 3
The Streak Mechanic as a Revenue Strategy
How Duolingo's streak counter became the central mechanic of its subscription conversion funnel — what Duolingo's published earnings reports say about daily-active-user to subscriber ratios, and what it demonstrates about the subscription model the app-economy numbers now rest on.
WhatsApp, WeChat, TikTok's US divestiture law, Telegram, Duolingo's streak mechanic, BeReal's sale, and the retention numbers on AI assistant apps since 2023. -
The Apps · piece 4
BeReal's Rise and Its Sale
BeReal's growth from 2022 peak downloads to its acquisition by Voodoo — the published retention figures, the advertising model it never fully launched, and what the arc illustrates about virality without a monetisation structure.
Sources: Sensor Tower download estimates and Voodoo's acquisition announcement. -
The Apps · piece 5
The Retention Problem
AI assistant apps — ChatGPT, Gemini, Perplexity, Claude — since 2023, with published download and monthly-active-user figures showing a consistent gap between install spikes and sustained engagement.
Covers what the top-grossing chart position says about whether subscriptions are converting. Sources: Sensor Tower and Appfigures estimates, attributed and dated.




