| Core Identity |
| Developer | REVOLAB Inc. | Bloom Built Inc | 晓松 高 | 晓峰 王 | Biograph LLC | Liqiang Wang | Haruki Saburi | Dev2A | 立纲 吴 | Onda Labs, Inc. |
| Category | Lifestyle | Health & Fitness | Lifestyle | Lifestyle | Lifestyle | Lifestyle | Lifestyle | Lifestyle | Lifestyle | Lifestyle |
| Platform | iOS | iOS | iOS | iOS | iOS | iOS | iOS | iOS | iOS | iOS |
| Store Metrics |
| Rating | 5.0 / 5 | 4.8 / 5 | 4.0 / 5 | 5.0 / 5 | 5.0 / 5 | 5.0 / 5 | 5.0 / 5 | 4.6 / 5 | 4.0 / 5 | 5.0 / 5 |
| Ratings Count | 5 | 116,168 | 4 | 2 | 18 | 2 | 6 | 16 | 8 | 6 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | May 4, 2015 | Feb 4, 2016 | Mar 1, 2023 | Jan 29, 2026 | Dec 15, 2022 | Apr 6, 2022 | Mar 10, 2018 | Sep 26, 2025 | Jan 17, 2025 | Mar 5, 2026 |
| Last Updated | Dec 29, 2025 | Apr 27, 2026 | Jun 3, 2025 | Feb 8, 2026 | Apr 12, 2026 | Jul 1, 2026 | Nov 1, 2023 | Mar 27, 2026 | Apr 27, 2026 | May 2, 2026 |
| Sentiment & Reviews |
| Sentiment | - | mixed | excellent | excellent | excellent | - | excellent | mixed | mixed | excellent |
| Score | - | 45/100 | 90/100 | 90/100 | 90/100 | - | 90/100 | 50/100 | 50/100 | 90/100 |
| Praises | - | - Long-term journaling habits supported by consistent daily check-in rituals and photo attachments
| - The diary application provides a satisfying experience through its story and random memory features
| - Visualizing personal memories through diverse theme styles creates a highly engaging and personalized user experience
| - 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
| - | - Daily event logging functionality provides necessary structure for users navigating complex legal custody battles
| - Friendly aesthetic and creative journal customization tools appeal to beginners in the writing space
| - High quality image generation capabilities provide satisfying visual results for casual users
| - Simple and classy user interface design makes the application feel approachable for new users
- AI co-author conversational style provides genuine emotional support during challenging personal periods
- Varied AI interaction modes prevent the assistant from simply agreeing with user perspectives
|
| Complaints | - | - Aggressive AI feature integration and subscription price hikes erode long-term user trust
| - Minor performance stuttering occurs during navigation likely due to the cross-platform development architecture
| - | - | - | - | - Aggressive paywalling of core features limits the experience for non-paying users post-update
- Difficult object placement controls hinder the precision of journal layout design
| - Aggressive monetization and perceived lack of fairness trigger user frustration with the experience
| - |
| Requests | - | - Voice-to-text and microphone integration to reduce friction during quick daily entry creation
| - | - | - | - | - | - Image editing tools like cropping or erasing are needed for better journal composition
| - Automated daily wallpaper generation and system lock screen replacement functionality requested by users
| - |
| Strategic Intel |
| Strengths | - Biometric security builds user trust for private reflection
- Hybrid diary-planner functionality increases utility beyond simple logging
| - End-to-end encryption establishes high switching costs for privacy-conscious users
- Physical book printing creates a tangible archival moat for long-term records
- Multi-platform sync ensures persistent data accessibility across the Apple ecosystem
| - Story-themed timeline structure enables narrative-first reflection
- WebDAV sync provides data portability for power users
- 36 emotional emojis allow for granular mood expression
| - Generative art engine creates a unique scrapbook aesthetic that differentiates from utilitarian text-only diaries
| - Collaborative storytelling enables multi-user family archives
- Private-by-design architecture builds trust for sensitive data
| - iCloud support enables secure data synchronization
- Passcode support provides essential privacy for diary entries
| - Calendar-centric photo grid creates a visual retention loop
| - Creative canvas tools enable artistic expression
- Massive sticker and image library drives engagement
| - Accelerometer-triggered UI theme rotation increases session duration through interactive customization
- User-defined text fields increase switching costs by embedding personal content into the app state
| - Long-term memory of user goals functions as a retention moat
- AI-generated postcards create shareable keepsakes that drive organic discovery
|
| Weaknesses | - No cloud-sync capability limits data portability
- Zero monetization model restricts feature-parity development
| - Annual subscription price hikes drive churn among decade-long legacy users
- Post-update stability issues cause data access anxiety and negative sentiment
- AI-focused UI changes clutter the core writing experience for power users
| - Performance stutters during navigation erode the daily habit
- Lack of biometric security protocols for private data
- Non-native architecture limits UI fluidity
| - Manual entry requirement creates a high friction barrier compared to automated system-level journaling
| - Manual entry friction limits daily habit formation
- Small user base lacks network effects of rivals
| - Zero monetization model limits future development capacity
- Lack of social or community features hinders retention
| - Missing biometric security for private entries
- No feature updates since late 2023
| - Aggressive paywalling limits free-tier utility
- Difficult object placement controls hinder layout precision
| - Biometric security absent despite being a core requirement for personal calendar data
- Manual input style lacks the efficiency of stamp-based scheduling tools
| - Zero monetization strategy creates a long-term sustainability risk
- Lack of cloud-save or cross-device sync limits power-user retention
|
| Pricing | free | freemium | subscription | free | freemium | free | free | freemium | free | free |
| Momentum | Zombie | Active | Zombie | Maintenance | Maintenance | Maintenance | Zombie | Maintenance | Maintenance | Maintenance |
| Update Cadence | 1 versions | 3 versions, 1 majors/6mo, ~16d avg | 1 versions | 1 versions, 1 majors/6mo | 1 versions | 1 versions | 1 versions | 1 versions, 1 majors/6mo | 1 versions, 1 majors/6mo | 1 versions |
