SysTools Outlook Duplicate Remover vs SheetBrain

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 SheetBrain
Detail	SysTools Outlook Duplicate Remover	SheetBrain
What it does	Certified tool to remove duplicate emails, contacts, calendars, and other Outlook items from PST, OST, and BAK files	Google Sheets add-on that detects spreadsheet bugs and generates formulas in seconds
Stage	Established	Not given
Founded	2007	Not given
Based in	IN	Not given
Pricing model	Paid	Freemium
Pricing	$49 USD	Free plan: $0/month with unlimited Sheet Check scans and 15 AI calls per month. Pro plan: $9/month for 1,000 AI calls per month. Both plans include all tools (Check, Repair, Audit, Generate, Explain, Debug), shareable audit reports, and six custom functions.
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	Broken reference detection and repair Mixed data type detection in columns Duplicate lookup key detection Visible formula error flagging (#N/A, #VALUE!, #DIV/0!, #REF!) AI-powered formula generation from plain English Formula explanation and debugging Schema repair for renamed and moved columns Six custom functions (HEALTH, ISSUES, GENERATE, EXPLAIN, EXTRACT, CLASSIFY) Multi-sheet context awareness for formula generation
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	Deterministic error detection without AI calls for basic spreadsheet health checks Reads full spreadsheet context (headers, data types, column positions) before generating formulas Flat $9/month pricing with AI included, no API keys required Schema Repair automatically fixes formulas after column changes without manual rewriting
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	1 no change since last check
Trust Flow (Majestic)	20	3
Citation Flow (Majestic)	46	14
Referring domains (Majestic)	1748	8

5 details filled in for both companies.

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