About this app
The Most Reliable Penalty Timer for Roller Derby Officials Finally, a penalty timer built specifically for roller derby that actually works when you need it most. Whether you're a referee managing a chaotic jam or a coach running practice with limited staff, PenaltyTimer delivers precision timing with built-in WFTDA knowledge.
- WFTDA COMPLIANT & RULE-SMART All penalty codes built-in (BC, FE, HB, LB, MP, IC, II, IP) Automatic 30-second durations with double-penalty support Handles tricky jammer situations according to official rules 10-second warning alerts - never miss telling skaters to stand
- BUILT FOR REAL DERBY CONDITIONS Works 100% offline - no wifi crashes during crucial moments Lightning-fast tap-edit for quick time adjustments Stop ALL timers simultaneously between jams with one tap Customizable team colors to match any bout setup…
Preview
Real screenshots from the store listing.
Independent evidence report
Evidence and review signals
This is where the page changes from an app-store listing into an evidence report: findings, important reviews, pricing and a dated history.
What we measured
Each line is a measurement published as a measurement, never a verdict.
Each line is a measurement, published as a measurement. Where we have not looked, the line says so rather than reading as a zero.
In the package we scanned
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence about the app, not a finding about it.
Graded bands · predicate set 1.4 · how these are measured
What the analysis found
App-specific findings, grouped by what each one rests on. How they are graded lives on its own page.
No review themes cleared the reporting threshold.
Assessment & version history
App changes and Appworthy events in one timeline.
What this app sells
Useful store-disclosed pricing, kept below the app listing.
Prices and terms as disclosed by the store listing.