STP One vs CADVault

STP One is a drawing viewer built for the shop floor: open STEP and IGES 3D files and 2D drawings (DXF) right on your phone. The overall size (W×D×H) appears as soon as a file opens, and measurement, section, parts and weight are all in one app. ■ 3D viewing · Open STEP (.stp/.step) and IGES (.igs/.iges) · One finger to rotate, two fingers to pan and zoom, [Fit] to recenter · Overall dimensions shown automatically, plus approximate volume and surface area · Edge highlight: normal → bold → hidden ■ Measurement (Pro) · Point-to-point distance with ΔX · ΔY · ΔZ · Point→edge perpendicular distance · Face↔face distance between two parallel faces, with the angle between them ■ Section & parts (Pro) · Section along X/Y/Z — move the slider to cut the model and see inside, flip direction · Assembly parts list — each part cycles visible → transparent → hidden ■ Weight (Pro) · 245 built-in materials (steel sheet, stainless steel, non-ferrous metals, spring wire, injection resins, rubber and more) · Pick a material and get the weight from the model volume instantly ■ 2D drawings (Pro) · Open 2D drawings (DXF) — one finger to pan, two to zoom · Export a print-ready A4 PDF and share it by message or e-mail ■ Handy extras · Reopen your 5 most recent files · Open drawings sent from other apps · 7 languages: 한국어 · English · 中文 · Español · Tiếng Việt · हिन्दी · नेपाली ■ Private, on-device processing · Drawing viewing and calculations run on your device; drawings are not uploaded automatically · Your original files are never modified · No sign-up, no ads, no internet connection needed to view drawings ■ Free and Pro · Free: 1 file per day — 3D view, rotate, overall size, edge highlight · Pro subscription (monthly/yearly): unlimited files + measurement, section, parts, weight, 2D drawings and PDF sharing · Every Pro feature can be tried 3 times for free before you subscribe · Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period; manage or cancel anytime in your store account settings Whenever you need to check a drawing in manufacturing, design, sales or quality, it is ready the moment you install it. Developed by LIHAON Co., Ltd., an automotive parts manufacturer. Optional ERP feedback lets existing LIHAON employees verify their employee ID/name and submit request text, comments and app/device details to the company ERP. Drawings are not attached automatically. Reading drawings requires no employee account. Subscription validation/restoration uses the internet. Privacy: https://erp.lihaon.co.kr/privacy-stpone EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

CADVault opens STEP files and other 3D models right on iPhone, iPad and Mac. Fast, offline and without your designs ever leaving the device. OWN STEP KERNEL • Reads STEP AP203, AP214 and AP242 with assembly structure, part names, colors, units and tessellated meshes • Built for large assemblies with thousands of parts, smooth on iPhone and iPad • Also opens STL, OBJ, glTF/GLB, PLY and USD/USDZ VIEW AND UNDERSTAND • Assembly tree: show or hide parts and subassemblies, search, zoom to a part • Shaded, shaded with edges or edges only; perspective or orthographic • Standard views, free rotation, pan and zoom • Colors from the file, per part or per part type, plus custom colors • Selectable up axis, saved per file MEASURE • Distance between two points • With Pro: radii, surface areas and edge lengths from the exact STEP geometry CADVAULT PRO • Open large models over 20 MB • Convert to STL, OBJ, PLY and GLB, optionally only visible parts, with colors • Section view along X, Y or Z and exploded view Pro is available as a monthly or yearly subscription. Models up to 20 MB can be opened, viewed and measured for free. PRIVACY FIRST • No upload, no account, no ads, no analytics • The app makes no internet connections of its own • Encrypted library: copies, thumbnails and settings with AES-256-GCM, key only in this device's keychain, excluded from backups • Optional app lock with Face ID, Touch ID or device passcode The subscription renews automatically unless cancelled at least 24 hours before the end of the current period in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms: https://joshua-tree-labs.com/legal/cadvault-nutzungsbedingungen.html Privacy: https://joshua-tree-labs.com/legal/cadvault-datenschutz.html