Json Viewer Simple vs BoardTrace

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BoardTrace is a local-first bench record for hardware bring-up. Capture test-point readings on a board, compare them against a known-good baseline, and freeze an observation session into an immutable, checksummed record — then hand it off as a board-revision passport. WHAT YOU CAN DO • Create boards with your own test-point map: reference designator, signal name, unit, nominal value and tolerance. • Start a capture session and record measured values against every test point. • See pass/fail at a glance on a spatial Test-Point Map, color-coded per point. • Adopt a completed session as your known-good baseline — adoption freezes the readings with a SHA-256 checksum, so the record can never silently change. • Clone an adopted session into a new draft to compare a later board revision, without ever touching the original record. • Archive superseded or old sessions; delete drafts freely (adopted records that are still referenced by a later revision are protected from deletion). HANDOFF AND BACKUP • Export a session as JSON (free), or as a formatted PDF report and CSV table (Pro). • Back up all your boards to a single JSON file and restore it on this or another device. Restore validates the file's schema and checksum first, so a corrupted or incompatible backup is rejected before anything is touched. PRIVACY BY DESIGN • No account, no sign-in, no server. All boards, test points, sessions and readings stay on your device unless you choose to export or share them. • No analytics, no advertising identifier, no tracking. PRO BoardTrace Pro removes the one-board limit and unlocks PDF/CSV handoff exports and the clone-to-compare workflow. Monthly and yearly auto-renewing subscriptions and a one-time Lifetime purchase are available. Backup, restore and deletion stay free forever. BoardTrace is a record-keeping tool for your own observations. It does not control test instruments, interpret electrical safety, certify a board, or provide engineering advice. TERMS OF USE Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/