Secret Diary with Locks vs its rivals

Side-by-side comparison against Secret Diary with Locks's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

	Secret Diary with Locks This App	Daylio Journal - Mood Tracker Nemesis	stoic. journal & mental health Contender	Grid Diary - Journal, Planner Peer	Penzu Peer	Reflectly - Journal & AI Diary Peer	LockMyPix Secret Photo Vault New Kid
Core Identity
Developer	Harshad Jadav	Relaxio s.r.o.	Stoic app inc.	Sumi Interactive	Penzu Inc.	Kodeon, Inc.	LockMyPix Inc.
Category	Utilities	Lifestyle	Health & Fitness	Lifestyle	Productivity	Health & Fitness	Photo & Video
Platform	Android, iOS	Android, iOS	iOS, Android	Android, iOS	iOS, Android	iOS	iOS
Store Metrics
Rating	0.0 / 5	4.8 / 5	4.8 / 5	4.6 / 5	4.2 / 5	4.6 / 5	4.7 / 5
Ratings Count	0	59,277	34,150	962	2,472	81,746	2,508
Price	Free	Free	Free	Free	Free	Free	Free
Release Date	Jun 5, 2023	Jan 25, 2017	Nov 15, 2017	Jan 7, 2019	Sep 14, 2011	Jul 30, 2017	Apr 10, 2020
Last Updated	Apr 13, 2026	May 4, 2026	Mar 10, 2026	Jun 18, 2025	Apr 14, 2026	May 5, 2026	Apr 9, 2026
Sentiment & Reviews
Sentiment	excellent	positive	-	-	-	mixed	-
Score	85/100	78/100	-	-	-	45/100	-
Praises	Secure password protection provides peace of mind for storing sensitive personal thoughts and private diary entries	Highly flexible mood and habit tracking tools allow for personalized mental health monitoring over long periods	-	-	-	Daily mood tracking and journaling prompts provide consistent mental health support for long-term users	-
Complaints	Frequent and intrusive advertisements disrupt the user experience during the note-taking and login process	Aggressive subscription prompts and paywalling of core features frustrate long-term users and new adopters	-	-	-	Subscription and premium feature access failures post-purchase create significant distrust and financial frustration	-
Requests	Biometric authentication support would improve the speed and convenience of accessing private journal entries	Expanded media support including video uploads and improved photo selection workflows for daily entries	-	-	-	Voice-activated interaction capabilities would allow for more natural and hands-free journaling experiences	-
Strategic Intel
Strengths	Offline-only architecture builds high user trust AES 256-bit encryption creates high switching costs	One-tap entry mechanism reduces user friction, sustaining high DAU/MAU ratios. Local-first data storage functions as a trust-based moat for sensitive mental health data. Highly customizable tracking categories allow for personalized long-term progress documentation.	-	-	-	Conversational AI persona creates a therapeutic best-friend experience Aesthetic focus on emotional expression differentiates from clinical trackers	True AES CTR bank-grade encryption Robust decoy/fake vault functionality App masking (calculator disguise)
Weaknesses	Intrusive ad-inventory drives negative sentiment Lack of biometric authentication limits convenience	Automatic backups locked behind subscription tier, causing 1★ churn. Recent UI regressions in calendar view disrupt established user workflows. Limited free-tier icon customization restricts personalization for non-paying users.	-	-	-	Premium feature access failures post-purchase Unresponsive customer support channels Login regressions in the latest update	Low update velocity compared to market leader Lack of WiFi transfer for large libraries No 'Panic Switch' gesture for immediate hiding
Pricing	subscription	freemium	freemium	freemium	freemium	subscription	subscription
Momentum	Maintenance	Active	Active	Active	Intense	Maintenance	Maintenance
Update Cadence	5 versions, 1 majors/6mo, ~125d avg	5 versions, 5 majors/6mo, ~10d avg	5 versions	5 versions	5 versions	2 versions, ~91d avg	1 versions

Compare Secret Diary with Locks head-to-head