Rack Builder Pro

Name: Rack Builder Pro
Price: 0.99 USD
Rating: 4.3 (27 reviews)
Author: Thomas Lang

Thomas Lang$0.99 upfront★ 4.3 · 27 ratingsshipped Nov 18, 2025

#56 Paid · Productivity

App Store

Pro · Build a sharper alternative to this app: a working v1 on its own URL in about 35 minutes.

See Pro — $150/month

MRR*

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Not enough grossing-chart signal for an honest number yet.

Chart position

#56

paid · Productivity

Ratings base

momentum charts unlock as daily captures accrue

*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.

Cumulative ratings

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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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Modeled revenue estimate

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