DropDrop vs Linger

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

DropDrop compared with Linger
Detail	DropDrop	Linger
What it does	Habit tracker and daily routine planner that adapts to your body's state using Apple Health data	A private, local-first image organizer for design references
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Paid
Pricing	Free version allows tracking up to 3 habits. Pro membership enables unlimited habits, CSV/PDF export, and additional features. Specific pricing available in App Store.	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	One-tap habit check-ins with flexible rest days Apple Health sync for sleep, HRV, active energy and steps 15 expressive 3D mood emotions with intensity sliders AI coach that recommends actions based on body state Offline-first with private iCloud sync, no trackers Subtasks, priorities and recurring schedules Apple Watch support with offline tracking Export habit data in CSV or PDF format Streak Protection & Repair to prevent guilt from missed days	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	Physiological state-aware planning using HRV and sleep data Fully offline-first with zero third-party tracking or ads Guilt-free rest days instead of broken streaks Two-way sync with Apple Health State of Mind Native cross-platform support on iPhone, Watch, iPad and Mac	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)	6 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	21	13
Referring domains (Majestic)	9	1

5 details filled in for both companies.

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