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Product updates, engineering notes, and growth experiments from the Rheo team.

What is a mobile app experimentation platform? (and why flags alone are not enough)
Definitive guide to mobile experimentation platforms. Feature flags vs journey platforms. Where Rheo fits in the stack.

Trial starts vs D30 revenue: which paywall metric should pick the winner?
Compare trial starts vs D30 revenue as experiment primary metrics. Guardrails, sample size, when each metric misleads.

7 paywall tests to run before you change price
Seven experiments to run on placement, framing, and packages before changing price. Paywall UI via integration; Rheo for journey to paywall.

Statsig vs Firebase Remote Config for mobile experiments
Compare Statsig and Firebase Remote Config for mobile A/B tests. Strengths, gaps for multi-step onboarding flows.

8 cancellation flow examples that reduce churn without dark patterns
Eight ethical cancellation flow patterns with survey, pause, win-back, and experiment ideas.

Feature flags vs remote UI for mobile apps: which speeds up experiments?
Boolean feature gates vs multi-step native remote UI flows. When to graduate from LaunchDarkly or PostHog flags to a flow platform.

How to use RevenueCat and AppsFlyer to track subscription revenue by campaign
Connect RevenueCat and AppsFlyer for campaign-level subscription revenue attribution. Pair with journey experiments.

10 mobile paywall examples subscription apps can learn from in 2026
Ten paywall patterns with offer stack, trial framing, dismissal UX, and what to A/B test next. Paywall UI owned by RC/Superwall in Rheo stack.

RevenueCat alternatives: when subscription apps need more than billing
When teams need more than billing infrastructure. Journey experimentation, onboarding OTA, lifecycle flows. Rheo complements RC, does not replace it.