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DayGram - One Line a Day Diary vs its rivals

Side-by-side comparison against DayGram - One Line a Day Diary's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

DayGram - One Line a Day Diary
This App
My Diary - Daily Diary Journal
Nemesis
Journal
Contender
Unicorn Diary (lock - PIN)
Contender
Prompted Journal - Shadow Work
Contender
MiiBook Journal: Private Diary
Contender
Holoholo: Daily Memories
Peer
Planner & Journal - Zinnia
Peer
Question Diary
Peer
My Journal: Gratitude Diary
Peer
Core Identity
DeveloperEUIHYUNG JUNGDairy App & Notes & Audio Editor & Voice RecorderAppleZipoAppsOatmeal AppsnosukeFor Pedestrians LLC.Pixite Inc.PIONEBlueLeaf Tech
CategoryLifestyleLifestyleHealth & FitnessUtilitiesLifestyleLifestyleHealth & FitnessLifestyleLifestyleLifestyle
PlatformiOS, AndroidAndroidiOSAndroid, iOSiOS, AndroidAndroid, iOSAndroid, iOSAndroid, iOSiOSAndroid
Store Metrics
Rating4.5 / 54.8 / 54.8 / 54.4 / 54.8 / 54.7 / 54.4 / 54.6 / 54.4 / 54.3 / 5
Ratings Count2301,239,009273,0311396,9073241253,389184196
PriceFreeFreeFreeFreeFreeFreeFreeFreeFreeFree
Release DateJun 12, 2015Sep 5, 2020Oct 26, 2023Nov 16, 2020Oct 21, 2018Jul 18, 2023Jun 13, 2024Feb 26, 2020Jul 22, 2017Oct 29, 2025
Last UpdatedMay 5, 2026Apr 30, 2026Dec 12, 2025Dec 29, 2024May 19, 2025Mar 28, 2026Feb 5, 2025May 18, 2026Jan 19, 2026May 11, 2026
Sentiment & Reviews
Sentimentpositive-positive-mixed-----
Score82/100-90/100-45/100-----
Praises
  • Minimalist design and clean interface foster a calming experience for daily journaling habits
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  • Thought-provoking daily prompts encourage deep self-reflection and personal growth for users
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Complaints
  • Inconsistent PDF export quality makes archived entries difficult to read or print
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  • Frequent application crashes immediately upon launch prevent access to journal entries
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Requests
  • Expanded media support including color photos and multiple image attachments per entry
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  • Cloud synchronization and backup options are needed to prevent permanent loss of journal entries
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Strategic Intel
Strengths
  • E-Ink aesthetic reduces cognitive load for daily writing
  • One-time purchase model builds long-term user trust
  • Privacy-first design via biometric and passcode locks
-
  • System-level integration with iOS photos and health data drives automated entry suggestions
  • Privacy-first brand reputation ensures user trust
  • Unicorn-themed comic collection functions as a unique engagement hook
  • Biometric security provides a baseline trust mechanism
  • High-frequency push notifications sustain daily habit formation
  • Curated prompt library drives high-intent daily habit formation
  • Minimalist interface reduces cognitive load for users
-
  • Automated background route capture sustains daily timeline generation without manual input
  • On-device storage architecture functions as a privacy-focused distribution barrier
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  • Annual reflection mechanism creates a unique emotional hook for long-term retention
  • Cloud-sync architecture enables multi-device access
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Weaknesses
  • PDF export legibility issues reported by users
  • Limited font scaling hinders accessibility for power users
  • Application instability during export tasks
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  • iCloud-only sync restricts access for users on non-Apple hardware
  • Limited text-formatting and font customization options
  • Premium tier at $4.99/week sits above the category median
  • Lack of PDF export limits long-term memory preservation
  • 0.16 rating gap between iOS and Android platforms
  • Frequent launch-time crashes on latest version
  • Lack of cloud sync causes permanent data loss
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  • No cloud-backup option creates a permanent data-loss risk
  • Lack of voice-to-text transcription limits input accessibility compared to rivals
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  • Manual daily input requirement creates high friction
  • Lack of monetization limits development resources
  • No AI-driven synthesis of historical entries
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Pricingfreemiumfreefreefreemiumfreemiumfreefreesubscriptionfreefree
MomentumMaintenance-ZombieZombieMaintenanceActive-IntenseZombie-
Update Cadence2 versions, 1 majors/6mo, ~3d avg-1 versions2 versions, ~305d avg2 versions, ~90d avg5 versions-5 versions5 versions, ~383d avg-

Compare DayGram - One Line a Day Diary 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 DayGram - One Line a Day Diary, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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