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WhyItChanged vs RevenueCat Charts
Updated 2026-11-02. Competitor details are from their public site on that date; check their pricing page for changes.
Short answer: They're complementary. RevenueCat runs your in-app purchases, and its Charts cover revenue, MRR, churn, cohorts and LTV (free up to $2,500 monthly tracked revenue, then 1%). WhyItChanged reads RevenueCat and adds what Charts don't show: ad spend and ROI, App Store downloads by source, release and deploy markers, and alerts when attribution goes silent.
| WhyItChanged | RevenueCat Charts | |
|---|---|---|
| What it is | Analytics and diagnosis layer | In-app purchase SDK + backend, with Charts |
| Price | Free for 1 app; paid from $19/mo | Free up to $2.5K MTR, then 1% of MTR |
| Subscription metrics (MRR, churn, LTV) | Revenue and purchases | Yes, in depth |
| Ad spend and ROI | Apple Ads, Google Ads | Attribution segments; no spend import documented |
| App Store downloads / impressions | Yes | No |
| Release / deploy markers | Yes | No |
| Web revenue | Stripe, Polar, Paddle, Lemon Squeezy | Stripe via web billing / import |
| Alerts | Discord: drops, silent sources, kill rules | Webhooks/integrations |
Use them together
Keep RevenueCat for purchases and subscription charts. Connect it to WhyItChanged (a V2 read key, plus the webhook for real-time attribution) to get the rest of the picture on one timeline.
Questions
Do I need RevenueCat to use WhyItChanged?
No. App Store Connect alone powers the timeline. RevenueCat adds per-purchase attribution and faster revenue.
Sources
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Try it next to what you use now.
Start freeFree for 1 app · No card