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Private Investigator Log

ClearStack Apps Productivity In-app purchases Contains ads

Offline case file and surveillance log for private investigators.

Downloads
74+
on Google Play
Price
Free
In-app purchases
Updated
Sep 18
2026 · v1.1.0
Get it onGoogle Play See alternatives

Screenshots

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About Private Investigator Log

WHAT IT DOES
ProofPI is a private, offline-first log and case file for solo private investigators who keep their own records.

• Keep a separate, timestamped case file for each client
• Log surveillance sessions with start/stop times and GPS location
• Add a chronological, time-stamped observations log to each session
• Record subject and vehicle details you lawfully observed
• Attach photos and reference video evidence with capture times
• Track mileage per case with your own rate, for billing and expenses
• Export a case-file PDF with your signature, session timeline, and evidence index
• Keep your own records on your own device

WHO IT'S FOR
• Licensed solo private investigators and small shops
• Investigators who keep and file their own per-client case files
• PIs in states with recordkeeping, retention, and audit rules

YOUR RECORDS STAY YOURS
Cases, sessions, and photos are stored on your device. ProofPI is a record-keeping and document-preparation tool. It is not legal or investigative advice and does not guarantee that any record meets your licensing board's or court's requirements. Recordkeeping and retention rules are set by your state and board — review and adapt your records to your jurisdiction's requirements.

Contact: [email protected]

What’s new

Version 1.1.0 · Updated September 18, 2026

Version 1.1 is a big update: • Photos kept at full size, numbered, with a SHA-256 fingerprint and a check • Subjects and vehicles with reference photos • Case notes for interviews, records and calls • Expenses with receipts, hourly rate and a billing summary • Evidence package zip and spreadsheet exports • One-file backup and restore • One-tap observations, a live session timer, a new look and tablet layouts

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