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Compare Legal Documents
With the Precision
They Deserve.

Sentry is a purpose-built legal document comparison tool for NDAs, access letters, and sensitive agreements. Structured methodology. Secure processing. Complete audit trail.

Sentry · NDA Comparison — v1 vs v3
SecureLogged
Section 4 — Confidentiality Term
  The Receiving Party agrees to maintain...
-  ...in strict confidence for a period of two (2) years.
+  ...in strict confidence for a period of five (5) years.
  The obligations set forth herein shall...
Section 7 — Governing Law
  This Agreement shall be governed by...
-  ...the laws of the Province of Ontario.
+  ...the laws of the State of Delaware.
Risk flag: Governing jurisdiction changed — review required
Run by: J. Smith · 14 Jun 2025, 10:42 AMID: SEN-20250614-0041
Core Capabilities

What Sentry Does

Structured Comparison

Consistent, predefined methodology applied to every document pair. Not a different prompt each time — the same rigour, every run.

Risk-Flag Engine

Material clause changes surfaced first. Jurisdiction, term length, liability caps — flagged by significance, not buried in tracked changes.

Secure Processing

Documents processed in an isolated, controlled environment. Not used for model training. Appropriate handling for NDA-level confidentiality.

Audit Trail

Every comparison logged with unique reference ID, timestamp, and user attribution. Searchable, exportable, and permanently available.

Faster Review Cycles

What used to take an hour of side-by-side reading takes minutes in Sentry. Faster cycles mean faster deal closings and client responses.

Multi-Party Tracking

Track change history across versions and counterparties through multiple rounds of markup and return.

Why Not Generic AI?

Four Reasons Generic AI Tools
Fall Short for Legal Document Review

🔒

Security

Pasting an NDA into a consumer chatbot is a data governance problem. Sentry processes sensitive documents in a controlled environment with appropriate security architecture.

Consistency

A chatbot response depends on how the prompt was written that day. Sentry applies the same methodology every time — regardless of who runs it or when.

📋

Traceability

A chatbot conversation is not a legal record. Sentry maintains a permanent, immutable log of every comparison event — user, document, timestamp, output.

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Cost Control

Individual AI subscriptions across a legal team add up with no visibility into total spend. Sentry provides a managed environment at predictable per-comparison pricing.

Full Product Experience

See the Complete Sentry Website

The Sentry product website includes the full feature breakdown, security statement, pricing tiers, and free trial — compare 2 documents at no cost.