HARDER vs Linger

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

HARDER compared with Linger
Detail	HARDER	Linger
What it does	Challenges with photo proof, pre-written steps and a built-in comeback	A private, local-first image organizer for design references
Stage	Startup	Not given
Founded	2026	Not given
Based in	PL	Not given
Pricing model	Freemium	Paid
Pricing	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	Personal $39 USD one-time for 1 person on 2 Macs with Linger 0.x and 1.x updates included; Lifetime $79 USD one-time for 1 person on 4 Macs with all future major upgrades included. 14-day full trial available with no card required.
Key features	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	Add personal notes and tags to each reference Multiple view modes: grid, stack and focus views Text search across titles, notes and tags Canvas feature to arrange references side by side Collections and saved searches Local library with no cloud sync required Optional AI for text extraction and descriptions Chrome extension for easy capture No item count limits
What makes it different	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	Private local-first library that keeps your data on your device with zero cloud dependency One-time purchase with permanent access, no monthly subscriptions Canvas tool to explore visual and conceptual relationships between references
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)	4 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	13
Referring domains (Majestic)	0	1

5 details filled in for both companies.

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