sentin is the closest software-only DICONDE HITL we counted. Porosity demos, SiDA boxes, inspector UI. CAD/isometric seam map: no. Named ASME V / API 1104 signable form: no. Price: request a quote. US presence is a partner. Independent 2–30 shop as a named SKU buyer: not found.
Use sentin if you want a hardware-independent viewer with ADR assist. Use 1weld if the isometric has to be the registry and the bill is per seam.