SysTools Outlook Duplicate Remover vs Ledge

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 Ledge
Detail	SysTools Outlook Duplicate Remover	Ledge
What it does	Certified tool to remove duplicate emails, contacts, calendars, and other Outlook items from PST, OST, and BAK files	A Mac utility that turns the notch into a shelf for catching and routing files to apps
Stage	Established	Not given
Founded	2007	Not given
Based in	IN	Not given
Pricing model	Paid	Paid
Pricing	$49 USD	$19 USD one-time purchase with 14-day free trial and 7-day refund policy
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	Catch any file dragged toward the notch Route files to apps as the right format automatically Open shelf with keyboard shortcut or click the notch Works on Macs with or without a notch No internet required for file handling Universal binary for Apple silicon and Intel Notarized by Apple and signed with Developer ID Real preview tiles with file type badges Minimal disk space requirement
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	Converts the same file to the right format for each destination automatically One-time $19 purchase with no subscription Works on both notched and notch-less Macs 7-day refund policy with no questions asked
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	29 +1 (up) since last check
Trust Flow (Majestic)	20	10
Citation Flow (Majestic)	46	23
Referring domains (Majestic)	1748	9

5 details filled in for both companies.

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