Preserve Chat vs RozVibe

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

Preserve Chat compared with RozVibe
Detail	Preserve Chat	RozVibe
What it does	Share a WhatsApp Chat Export as a Link	Private encrypted journal and mood tracking app for Android
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Search messages by keyword, phrase, participant, or date Select specific message range with first and last message markers Create shareable links from selected messages Support for TXT and ZIP chat exports	AES-256-GCM client-side encryption Mood tracking with 5 emotional states Rich-text journaling editor Secure cloud sync Calendar view with mood markers Local mood analytics and insights 4-digit PIN sanctuary lock No data mining or profiling PBKDF2 key derivation with 100,000 rounds
What makes it different	Works entirely in browser - no upload until you share Share selected portion without uploading entire chat Private, unguessable, unindexed links with no expiration	Technically private through client-side encryption, not just a privacy promise Encryption key never leaves your device or reaches servers All analytics computed locally on your device Never used to train AI models Built by a solo developer for honest personal reflection
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 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	8	0
Referring domains (Majestic)	31	2

4 details filled in for both companies.

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