SysTools Outlook Duplicate Remover vs Crest

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

SysTools Outlook Duplicate Remover compared with Crest
Detail	SysTools Outlook Duplicate Remover	Crest
What it does	Certified tool to remove duplicate emails, contacts, calendars, and other Outlook items from PST, OST, and BAK files	Answer Claude Code approvals from your MacBook's notch
Stage	Established	Not given
Founded	2007	Not given
Based in	IN	Not given
Pricing model	Paid	Paid
Pricing	$49 USD	Crest Pro: $14.99 once (use on 2 Macs, updates through Crest 7). Crest Cloud + Drop add-on: 50 GB for $4.99/month or $39.99/year; 200 GB for $7.99/month or $79.99/year. 7-day free trial of everything with no card required.
Key features	Removes duplicate emails, contacts, calendars, tasks, journals and notes Works with PST, OST, and BAK file formats Operates without requiring Microsoft Outlook installation Batch processing of multiple files simultaneously Multiple removal actions including permanent delete, move to folder, flag, and mark as expired Process duplicates within single folder or across multiple folders Advanced duplicate detection based on 14 email properties Date range filtering for old and current duplicate data Split oversized files from 10 MB to 200 GB Preserves folder hierarchy and data integrity during process	Display Claude Code permission prompts on the MacBook notch Answer with Allow or Deny with a single tap View full command details before approving Answer Claude's multiple-choice questions from the notch Support for Codex CLI Support for GitHub Copilot CLI Visible on any display, even over fullscreen apps Works with Claude Code's native hook system
What makes it different	Standalone tool that works without installing Microsoft Outlook Handles password-protected Outlook files Provides multiple removal actions beyond permanent deletion Supports all Outlook versions including Outlook 2024 Can run without administrator privileges	Shows prompts on the notch, visible over any fullscreen app or external display One-time purchase with no subscription required Uses native hooks instead of patching or injecting No API key or extra signup required
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	69 +1 (up) since last check	8 no change since last check
Trust Flow (Majestic)	20	9
Citation Flow (Majestic)	46	31
Referring domains (Majestic)	1748	107

5 details filled in for both companies.

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