OTPfill vs Fog Mode

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

OTPfill compared with Fog Mode
Detail	OTPfill	Fog Mode
What it does	Autofill OTP codes from your email	Free Chrome extension with reading tools, focus aids, and wellness breaks for managing brain fog while reading
Stage	Not given	Startup
Founded	Not given	2025
Based in	US	Not given
Pricing model	Paid	Free
Pricing	Free for 7 days, then $29 one-time payment. Includes two inboxes and updates. Unlimited inboxes available for $5 per month.	Not given
Key features	Autofills one-time passcodes from email Auto-fills codes from the current site Reads only recent emails from last three minutes Does not store or log email contents	Larger, roomier text formatting Focus line guide for reading Clean reader interface Auto-scroll functionality Ambient sounds Breathing break reminders Integrated notes feature
What makes it different	One-time purchase model with no subscription required	Designed specifically for people with brain fog Combines reading assistance with wellness features like breathing breaks Completely free with no paywalls or premium tiers
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)	9 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	6	0
Citation Flow (Majestic)	11	15
Referring domains (Majestic)	10	4

4 details filled in for both companies.