| Core Identity |
| Developer | LEE DONG WON | READERA EOOD | Produkt Studio | Pocketbook International SA | AMZN Mobile LLC | LitRes OOO | OverDrive, Inc. | himalaya-soft |
| Category | Book | Book | Book | Book | Book | Book | Book | Book |
| Platform | Android, iOS | Android, iOS | iOS | Android, iOS | Android, iOS | Android, iOS | Android, iOS | iOS, Android |
| Store Metrics |
| Rating | 2.7 / 5 | 4.2 / 5 | 4.8 / 5 | 4.5 / 5 | 4.9 / 5 | 4.8 / 5 | 4.9 / 5 | 3.9 / 5 |
| Ratings Count | 23 | 215 | 11,347 | 9,094 | 5,609,451 | 7,371 | 4,237,103 | 7 |
| Price | Free | Free | Free | Free | Free | Free | Free | $2.99 |
| Release Date | Nov 10, 2014 | Jan 5, 2024 | Oct 23, 2017 | Feb 16, 2014 | Mar 4, 2009 | Oct 14, 2011 | Dec 12, 2016 | Jul 7, 2013 |
| Last Updated | Jun 5, 2019 | Apr 7, 2026 | Apr 15, 2026 | Feb 9, 2026 | May 5, 2026 | May 15, 2026 | Feb 19, 2026 | Jul 29, 2024 |
| Sentiment & Reviews |
| Sentiment | negative | excellent | - | - | mixed | terrible | positive | - |
| Score | 35/100 | 92/100 | - | - | 65/100 | 25/100 | 82/100 | - |
| Praises | - Comic book reading experience feels superior due to smooth page flip animations and display quality
| - Ad-free reading experience provides a clean and distraction-free environment for long-form content consumption
- Broad file format compatibility allows users to consolidate their entire digital library into one application
| - | - | - Extensive digital library access allows readers to carry entire collections anywhere without physical storage constraints
- Subscription services provide cost-effective access to a vast catalog of diverse reading materials for avid users
- Customizable reading environment features like font sizing and background colors improve accessibility for daily users
| - The core library of audiobooks and text content provides significant value for long-term users
| - Free access to extensive digital library collections provides significant value for budget-conscious readers
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| Complaints | - Aggressive advertisement frequency interrupts the reading experience and prevents consistent book scanning
- Functional limitations prevent text file opening and actual e-book conversion of physical pages
| - Text-to-speech functionality suffers from robotic voice quality and inconsistent pacing during sentence transitions
| - | - | - Recent updates introduced navigation regressions that remove essential library sorting and collection management tools
- Aggressive and repetitive review prompts interrupt the reading experience and frustrate long-term power users
- In-app purchase restrictions and complex login flows create friction for users attempting to acquire new content
| - Geographic restrictions and aggressive VPN detection prevent access to purchased content while traveling abroad
| - Audiobook playback issues including intermittent stops and volume inconsistencies disrupt the listening experience
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| Requests | - Improved visual design for the application icon to better reflect the quality of the reader
| - Advanced file organization features would allow users to sort documents into custom collections or folders
| - | - | - Restoration of granular library sorting tools to manage large collections of purchased and borrowed titles
- Implementation of robust parental controls to filter explicit content from feeds and search results
| - Expanded selection of foreign language literature to support readers looking for non-Russian content
| - Increased digital copy availability to reduce wait times for popular books and audiobooks
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| Strategic Intel |
| Strengths | - B2B institutional compliance via accessibility features
- Pearson courseware integration creates a captive user base
| - Ad-free, registration-free policy creates high user trust
- Format-agnostic rendering engine reduces user switching costs
- Lightweight performance ensures stability on legacy hardware
| - | - | - Cross-device sync creates high switching costs for users with large digital libraries
- Deep Amazon retail integration ensures a frictionless content acquisition funnel
- Editors' Choice badge across five markets sustains organic install velocity
| - Deep regional content catalog functions as a barrier to entry for global competitors
- Cross-platform synchronization creates high switching costs for long-term users
| - B2B distribution moat via public library partnerships
- Zero-cost access model eliminates user acquisition spend
- Kindle integration reduces hardware switching costs
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| Weaknesses | - Aggressive ad frequency in free tier
- 2.69 iOS rating indicates severe platform-specific stability issues
| - Lack of cloud-sync forces manual file management
- Text-to-speech engine produces robotic, inconsistent audio
- No monetization model limits long-term development budget
| - | - | - Navigation regressions in the latest update removed essential library sorting
- Aggressive review prompts interrupt the reading flow for power users
- In-app purchase restrictions create friction for new content acquisition
| - Aggressive VPN detection triggers churn for traveling users
- Subscription and payment friction increases refund requests
- Technical regressions in reading interface erode daily habit
| - Audiobook playback stability issues
- Inventory scarcity causes long hold queues
- Account synchronization failures across devices
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| Pricing | free | free | freemium | free | freemium | freemium | free | paid |
| Momentum | Intense | Active | Intense | Active | Active | Active | Maintenance | Intense |
| Update Cadence | 5 versions | 5 versions, 3 majors/6mo, ~15d avg | 5 versions | 5 versions | 5 versions, ~14d avg | 5 versions, ~23d avg | 2 versions, ~42d avg | 5 versions |