| Core Identity |
| Developer | Kiraku Tech Co., Ltd. | Relaxio s.r.o. | 志威 彭 | 杰 林 | Chaoyang Minimal Software Studio | Sheep Apps Inc | Kento Umeki | CHANHO LEE | AutoBiographer, LLC | Jake Biele |
| Category | Lifestyle | Lifestyle | Lifestyle | Lifestyle | Lifestyle | Lifestyle | Lifestyle | Lifestyle | Lifestyle | Sports |
| Platform | iOS | Android, iOS | iOS | iOS | iOS | iOS | iOS | iOS | iOS | Android |
| Store Metrics |
| Rating | 0.0 / 5 | 4.8 / 5 | 4.9 / 5 | 3.0 / 5 | 4.7 / 5 | 3.8 / 5 | 5.0 / 5 | 4.3 / 5 | 3.0 / 5 | 3.2 / 5 |
| Ratings Count | 0 | 59,277 | 14 | 2 | 28 | 6 | 1 | 6 | 2 | 10 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Oct 10, 2024 | Jan 25, 2017 | Nov 19, 2025 | May 30, 2024 | Jul 7, 2021 | Aug 12, 2021 | Apr 30, 2025 | Aug 16, 2023 | Aug 16, 2023 | Feb 23, 2026 |
| Last Updated | Apr 7, 2026 | May 4, 2026 | Jul 2, 2026 | Sep 22, 2024 | Apr 26, 2026 | Jul 16, 2025 | Jun 25, 2026 | Jun 7, 2026 | Nov 21, 2024 | Feb 24, 2026 |
| Sentiment & Reviews |
| Sentiment | - | positive | - | excellent | - | mixed | - | terrible | excellent | - |
| Score | - | 78/100 | - | 90/100 | - | 60/100 | - | 10/100 | 90/100 | - |
| Praises | - | - Highly flexible mood and habit tracking tools allow for personalized mental health monitoring over long periods
| - | - Personal CRM functionality provides a structured way to manage individual relationships effectively
| - | - Daily event logging provides a simple way to track significant life milestones over long periods
| - | - | - The core application experience provides immediate satisfaction for users upon their first interaction with the interface
| - |
| Complaints | - | - Aggressive subscription prompts and paywalling of core features frustrate long-term users and new adopters
| - | - | - | - Aggressive advertising for third-party services creates friction for users seeking a clean experience
- High monthly subscription costs for premium features discourage casual users from upgrading
| - | - Aggressive advertisement frequency prevents users from accessing the core daily journaling and illustration features
- Lack of creative drawing tools forces reliance on automated illustration features for daily entries
| - | - |
| Requests | - | - Expanded media support including video uploads and improved photo selection workflows for daily entries
| - | - Expansion of core feature set requested to provide deeper utility for long-term users
| - | - Clearer information regarding data export options and physical book creation is requested by users
| - | - | - | - |
| Strategic Intel |
| Strengths | - Memory exploration mode enables long-term value via nostalgia-driven retention
- Cross-platform cloud sync supports multi-device usage habits
| - 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.
| - Age-based timeline sorting enables unique longitudinal life comparisons
- Local-only storage provides a privacy moat for family documentation
| - Personal CRM fields enable structured relationship tracking
- iCloud sync ensures cross-device data persistence
- Manual location tagging adds context to memories
| - | - Client-side encryption functions as a privacy-focused distribution moat
- Linear timeline aesthetic provides a distinct, low-clutter diary experience
| - Conversational AI interface lowers the barrier to daily entry
| - Generative AI visual output provides a personalized creative record
| - AI-driven narrative generation justifies the transition to paid physical output
- Voice-to-text recording lowers the barrier to entry for content creation
| - |
| Weaknesses | - Subscription-only model (¥98.00/year) limits top-of-funnel conversion
- Lack of automated insight generation reduces daily habit formation
| - 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.
| - Manual-entry model creates high friction vs automated rivals
- Lack of mood correlation analytics limits self-quantification utility
| - Zero monetization strategy limits long-term development
- Manual entry friction reduces daily habit formation
- Lack of social-sharing features isolates the user experience
| - | - Five-dollar monthly subscription barrier discourages casual users
- Lack of data export options creates churn risk for power users
| - No data export functionality limits long-term user trust
| - Aggressive ad frequency blocks core utility
- Lack of manual drawing tools limits creative expression
| - 3.0-star rating indicates early-stage volatility
- Monetization relies on a high-friction physical goods transaction
| - |
| Pricing | subscription | freemium | free | free | free | subscription | free | free | freemium | free |
| Momentum | Maintenance | Active | Zombie | Zombie | - | Zombie | Maintenance | Maintenance | Zombie | - |
| Update Cadence | 1 versions, 1 majors/6mo | 5 versions, 5 majors/6mo, ~10d avg | 1 versions, 1 majors/6mo | 1 versions, 1 majors/6mo | - | 1 versions, 1 majors/6mo | 1 versions | 1 versions | 1 versions | - |
