*MRR is a modeled point estimate, never a measured figure: computed from observed chart ranks, ratings momentum, paid-chart position and verified anchors, recalibrated weekly. The full modeled range is in the estimator breakdown below, and our measured error is published on the methodology page.

Books grossing rank

Cumulative ratings

See how this number was made

The full estimator breakdown: which signals produced the number, how much they disagree, and the full modeled range
The copyability scorecard with every signal receipt
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See how this number was made

The full estimator breakdown: which signals produced the number, how much they disagree, and the full modeled range
The copyability scorecard with every signal receipt
Related niche apps in the same category, ranked by copyability

Create free account Sign in