MARLVEL

Diary-Journal with lock vs its rivals

Side-by-side comparison against Diary-Journal with lock's closest competitors: identity, store metrics, ratings & sentiment, and strategic intel.

Diary-Journal with lock
This App
Digital Journal Diary
Nemesis
DailyRetro
Contender
YOUKAMI
Contender
Biograph App
Contender
My thoughts - Cute diary
Contender
Insight AI: Discover Yourself
Peer
Quote of the Day & Inspiration
Peer
Motivational Quotes +
Peer
Mood Board Maker: Visus
Peer
Core Identity
Developer婷婷 乔Protection & Security App LLCLiqiang WangNOTEGG Corp.Biograph LLCAleksey KonshinYauheni YarotskiappChocolateHoang NguyenHAPPUS LLC
CategoryLifestyleHealth & FitnessLifestyleLifestyleLifestyleLifestyleLifestyleReferenceLifestyleLifestyle
PlatformiOSiOSiOSiOSiOSiOSiOS, AndroidiOS, AndroidiOSiOS
Store Metrics
Rating4.6 / 54.6 / 55.0 / 54.8 / 55.0 / 54.7 / 54.7 / 54.8 / 54.7 / 54.7 / 5
Ratings Count1,5736,43427718133151,189150204
PriceFreeFreeFreeFreeFreeFreeFreeFreeFreeFree
Release DateOct 16, 2021Oct 15, 2020Apr 6, 2022Feb 20, 2017Dec 15, 2022Apr 5, 2021Jan 9, 2024Apr 15, 2013Jan 11, 2020Dec 26, 2023
Last UpdatedJul 17, 2025Apr 3, 2026Jul 1, 2026Apr 19, 2024Apr 12, 2026Jan 16, 2026Jan 9, 2024Apr 17, 2025Oct 30, 2023Jun 9, 2026
Sentiment & Reviews
Sentiment----excellentexcellentexcellentexcellent--
Score----90/10090/10085/10090/100--
Praises----
  • Voice-driven storytelling features allow users to preserve personal memories and family history effectively
  • Private and ad-free environment fosters authentic connection without the distractions of mainstream social media
  • Simple design and intuitive flow make documenting daily life accessible for busy individuals
  • Password protection features provide users with a secure space for private thoughts
  • Minimalist design approach allows for distraction-free journaling sessions on mobile devices
  • Absence of subscription fees or hidden costs makes the app accessible to all
  • AI-driven astrology insights provide compassionate and uplifting guidance for daily life
  • Intuitive layout and navigation allow users to easily access diverse life categories
  • Daily inspirational quotes provide a consistent and positive start to the morning routine
--
Complaints------
  • Geographic coordinate input fails to capture specific birth locations accurately for charts
  • Limited daily content frequency leaves users wanting more than one quote per day
--
Requests-----
  • Unlimited photo storage capacity would improve the utility of the journaling experience
  • Automatic save functionality would ensure that user entries are never lost during sessions
  • Manual coordinate entry for birth locations would improve birth chart accuracy
  • Social features allowing users to create and share their own original content
--
Strategic Intel
Strengths
  • Specialized hand ledger aesthetic drives unique visual appeal for creative journalers
  • App-level security lock provides essential privacy for sensitive personal reflections
-
  • iCloud support enables secure data synchronization
  • Passcode support provides essential privacy for diary entries
-
  • Collaborative storytelling enables multi-user family archives
  • Private-by-design architecture builds trust for sensitive data
  • Biometric security locks protect sensitive personal data
  • iCloud integration ensures data persistence across device upgrades
  • AI-driven conversational interface enables personalized daily guidance
  • Free-to-use model lowers barrier to entry for casual users
  • Neutral content selection ensures accessibility across diverse age groups
  • Aesthetic wallpaper customization drives session engagement
-
  • Free-form canvas enables complex creative projects that lock in power users
Weaknesses
  • Subscription-only monetization model creates a high barrier to entry against free rivals
  • Lack of biometric security features leaves it behind professional-grade privacy standards
-
  • Zero monetization model limits future development capacity
  • Lack of social or community features hinders retention
-
  • Manual entry friction limits daily habit formation
  • Small user base lacks network effects of rivals
  • No auto-save functionality causes session anxiety
  • Limited photo storage capacity restricts visual memory keeping
  • Manual coordinate entry missing for birth charts
  • No longitudinal mood tracking features
  • Single-quote-per-day limit restricts user depth
  • Lack of original content submission tools limits community growth
-
  • Manual creation workflow creates high friction for casual users compared to automated rivals
Pricingsubscriptionfreemiumfreefreemiumfreemiumfreefreefreemiumsubscriptionfreemium
MomentumZombieIntenseMaintenance-MaintenanceZombieZombieMaintenance-Maintenance
Update Cadence1 versions5 versions1 versions-1 versions1 versions, 1 majors/6mo2 versions, 1 majors/6mo, ~10d avg5 versions-1 versions, 1 majors/6mo

Compare Diary-Journal with lock head-to-head

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Diary-Journal with lock, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

See methodologyContact support

Data licensed under CC-BY-NC 4.0