Chart standing · US
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
Price & rating history · US
Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.
Price · USD
About
Layerohm: PCB Stackup is a focused, fully on-device app. PCB stackup and transmission-line lab for microstrip, stripline, grounded coplanar waveguide, differential pairs, propagation delay, conductor/dielectric loss, and thermal vias. KEY FEATURES - Microstrip impedance sweep - Differential, delay and loss cues - Editable stack records - Local coupon-photo evidence - Editable sample data and CSV import - Side-by-side scenario comparison - Local PDF evidence export - Fifty-three original offline reference plates ONE-TIME AND PRIVATE - One paid download; no subscription or in-app purchase - No account, advertising, analytics, tracking, or developer-operated backend - Core features and bundled content work offline - Work remains on device unless you deliberately share or export it through an Apple system interface Impedance estimates are pre-layout aids. Confirm the final stackup, material properties, copper geometry, fabrication tolerances, field-solver results, and manufacturer guidance.
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