| Core Identity |
| Developer | pixiv Inc. | Perpustakaan Nasional Republik Indonesia | Nguyen Minh Hang | iClassics Productions, S.L. | FBReader.ORG Limited | Gumroad | Pubmark Inc. | Redwood Ventures LLC | Kimico, Ltd. | JAMES ANTHONY BOOKER |
| Category | Book | Book | Book | Book | Books & Reference | Utilities | Book | Entertainment | Entertainment | Books |
| Platform | Android, iOS | iOS, Android | iOS | iOS, Android | Android, iOS | iOS, Android | Android, iOS | iOS | iOS, Android | iOS, Android |
| Store Metrics |
| Rating | 4.7 / 5 | 3.8 / 5 | 4.2 / 5 | 4.5 / 5 | 4.6 / 5 | 4.7 / 5 | 4.8 / 5 | 3.9 / 5 | 4.8 / 5 | 4.6 / 5 |
| Ratings Count | 266 | 9 | 1,125 | 86 | 50 | 36,833 | 920 | 506 | 960 | 49 |
| Price | Free | Free | Free | $3.99 | Free | Free | Free | Free | $9.99 | $3.99 |
| Release Date | May 19, 2015 | Sep 9, 2016 | May 24, 2023 | Jun 22, 2016 | Jun 9, 2012 | Sep 30, 2014 | Dec 4, 2015 | Dec 10, 2020 | Jun 25, 2015 | May 9, 2025 |
| Last Updated | Apr 16, 2026 | Mar 10, 2025 | Apr 3, 2025 | Feb 11, 2020 | Mar 17, 2026 | Apr 29, 2026 | Jan 29, 2026 | Mar 18, 2026 | May 11, 2026 | Feb 14, 2026 |
| Sentiment & Reviews |
| Sentiment | - | - | - | positive | - | - | - | - | positive | positive |
| Score | - | - | - | 75/100 | - | - | - | - | 75/100 | 75/100 |
| Praises | - | - | - | - Immersive interactive storytelling blends animation and music to create a highly engaging reading experience
| - | - | - | - | - Barcode scanning functionality allows for rapid cataloging of large physical media collections
| - Comprehensive tracking of Star Wars book collections across canon and legends timelines
|
| Complaints | - | - | - | - Technical friction during page navigation makes the reading experience feel unresponsive or broken
| - | - | - | - | - Alphabetical sorting logic incorrectly includes the word The when organizing movie titles
| - Incomplete book databases and missing titles frustrate users attempting to log full collections
|
| Requests | - | - | - | - Expansion of the library to include more classic literature titles in the same format
| - | - | - | - | - Wishlist feature allows collectors to track desired titles separate from their owned inventory
| - Expanded support for comics and junior novels to improve catalogue coverage
|
| Strategic Intel |
| Strengths | - Exclusive access to viral web-manga via the pixiv community pipeline
- High-volume ad inventory supported by 10,600+ free serialized titles
- Community-driven discovery loop via author follows and fan letters
| - | - | - Device-native hardware triggers create a non-replicable reading experience
- High-fidelity 2D animation quality exceeds standard digital book adaptations
| - | - | - | - Proprietary physical-to-digital bridge creates a premium, screen-free family bonding experience
- Curated storybook content offers a safer environment for young children than general media apps
| - Barcode scanner reduces manual entry friction for large collections
- One-time purchase model lowers barrier to entry against subscription rivals
- Cross-device sync increases utility across Apple hardware
| - Niche collection-tracking utility builds high switching costs for Star Wars fans
- AI-video export mechanism drives organic social discovery
|
| Weaknesses | - Missing cross-device reading progress synchronization
- 0.11 rating gap between iOS and Android platforms
- No offline reading capability for library management
| - | - | - $4.99 Android price point sits above the $3.99 iOS tier
- Technical navigation stalls reported in reviews
- Content-locking post-purchase triggers user distrust
| - | - | - | - Hardware-dependent model requires physical shipping and inventory management
- 3.86 rating suggests friction in the setup or activation process
| - Sorting logic incorrectly includes articles in titles
- Incomplete database coverage requires frequent manual entry
- Data persistence issues during device upgrades
| - $3.99 one-time purchase model limits recurring revenue
- Rigid collection logic prevents logging borrowed or unowned items
|
| Pricing | freemium | free | freemium | paid | freemium | free | free | freemium | paid | freemium |
| Momentum | Intense | Intense | Zombie | Zombie | Active | - | Steady | Maintenance | Maintenance | Intense |
| Update Cadence | 5 versions | 5 versions | 5 versions | 5 versions | 5 versions | - | 5 versions | 1 versions | 4 versions, 1 majors/6mo, ~36d avg | 5 versions |
