SheetBrain vs HARDER

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

SheetBrain compared with HARDER
Detail	SheetBrain	HARDER
What it does	Google Sheets add-on that detects spreadsheet bugs and generates formulas in seconds	Challenges with photo proof, pre-written steps and a built-in comeback
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	PL
Pricing model	Freemium	Freemium
Pricing	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.	Free plan includes 5 personal challenges per month, 5 private challenges per month, 1 public challenge per month, 1 public with approval challenge per month, and 1 extra space. Premium plan costs $7.99 per month (or annual pricing available) and includes unlimited personal, private, and public chall
Key features	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	Pre-written daily steps for every challenge Photo, text, or Apple Health proof verification Automatic comeback system after missed days 200+ ready-made challenges across multiple categories Personal, private, or public challenge visibility Offline functionality with sync Space profiles and social community
What makes it different	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	Pre-written daily steps eliminate decision fatigue and executive function burden Missing a day doesn't reset progress—you pick up where you stopped Proof-based accountability that creates genuine evidence, not just checkboxes Automatic health data verification eliminates manual proof entry Join anytime without waiting for a challenge start date
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)	1 no change since last check	4 no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	14	0
Referring domains (Majestic)	8	0

5 details filled in for both companies.

More alternatives to SheetBrain More alternatives to HARDER