| Core Identity |
| Developer | Fasoo Co., Ltd. | FOXIT SOFTWARE INCORPORATED | Good.iWare, Inc. | Box, Inc. | Polaris Office Corp. | Google LLC | Dropbox, Inc. | Microsoft Corporation | Adobe Inc. |
| Category | Utilities | Productivity | Productivity | Business | Productivity | Tools | Productivity | Productivity | Business |
| Platform | Android, iOS | iOS, Android | iOS | iOS, Android | iOS | iOS, Android | iOS | Android, iOS | iOS |
| Store Metrics |
| Rating | 5.0 / 5 | 4.5 / 5 | 4.7 / 5 | 0.0 / 5 | 4.6 / 5 | 2.9 / 5 | 4.8 / 5 | 4.7 / 5 | 4.7 / 5 |
| Ratings Count | 3 | 4,754 | 13,779 | 0 | 532 | 7,004 | 815,551 | 485,259 | 614,769 |
| Price | Free | Free | $5.99 | Free | $39.99 | Free | Free | Free | Free |
| Release Date | Sep 30, 2011 | Mar 19, 2012 | May 7, 2014 | Sep 22, 2016 | Apr 16, 2012 | May 18, 2017 | Sep 29, 2009 | Dec 13, 2011 | Oct 17, 2011 |
| Last Updated | Feb 9, 2026 | Mar 31, 2026 | Nov 29, 2025 | Nov 1, 2021 | Sep 16, 2025 | Dec 12, 2025 | Apr 20, 2026 | May 11, 2026 | Apr 20, 2026 |
| Sentiment & Reviews |
| Sentiment | excellent | - | - | - | - | excellent | mixed | negative | mixed |
| Score | 90/100 | - | - | - | - | 85/100 | 48/100 | 25/100 | 44/100 |
| Praises | - High satisfaction with the core application experience during daily usage sessions
| - | - | - | - | - Efficient storage management tools allow users to reclaim significant device space with minimal effort
| - Reliability & Accessibility
- Cross-Platform Syncing
| - Convenient file access across multiple devices keeps professional workflows moving for long-term subscribers
| - Ease of Use
- Reliable PDF Utility
|
| Complaints | - | - | - | - | - | - Recent changes to the document viewer prevent users from resuming reading at the last position
| - Pricing & Storage Tiers
- Aggressive Upselling
| - Forced migration from the standalone scanning app creates friction and reduces document quality for users
- Broken video playback controls prevent full screen viewing and playback speed adjustments post-update
| - Predatory Billing & Cancellation
- Aggressive Upselling
|
| Requests | - | - | - | - | - | - | - | - Simplified navigation to return to the root directory without repetitive back button usage
| - |
| Strategic Intel |
| Strengths | - Persistent encryption mechanism enables B2B distribution into regulated BFSI and government sectors
- GPS-based access control creates a high-security barrier for enterprise procurement
| - | - | - Enterprise-grade compliance tools secure high-value contracts
- AI-driven workflow automation increases platform stickiness
- Integration into Box content suite reduces churn
| - | - Ad-free utility model sustains high user trust
- Google Drive integration creates a clear path to cloud subscription revenue
| - Superior third-party integrations (Slack, Adobe, Zoom)
- High sync reliability and instant replication
- Advanced file recovery with Dropbox Rewind
| - Ecosystem network effects driven by deep Windows and Office integration
- Personal Vault security serves as a high-value differentiator for enterprise users
| - Massive brand authority and 635M+ install base
- Proprietary Liquid Mode for superior mobile reading
- Deep integration with Adobe Creative Cloud ecosystem
|
| Weaknesses | - High entry friction due to FED-M certificate requirement
- Read-only functionality limits utility compared to full-suite competitors
| - | - | - iOS client has no updates since 2021
- Interface lacks modern consumer-facing polish
- High dependency on enterprise procurement cycles
| - | - Document viewer regressions erode reading progress
- Wireless transfer performance lags behind specialized P2P rivals
| - Restrictive 2GB free storage tier
- Aggressive in-app promotion UI (4+ pop-ups)
- Technical bugs in 2FA/Login systems
| - 0.1★ rating gap between iOS and Android
- High-frequency complaints regarding background sync reliability
- Forced migration from standalone scanning tool creates user friction
| - High user resentment regarding 'dark patterns' in billing
- Aggressive upselling UI that interferes with core utility
- Perceived app bloat from multi-modal 'Acrobat Studio' features
|
| Pricing | free | subscription | paid | subscription | paid | free | subscription | freemium | subscription |
| Momentum | Active | Intense | Steady | Zombie | Maintenance | Maintenance | Maintenance | Active | Maintenance |
| Update Cadence | 5 versions | 5 versions | 5 versions | 3 versions, ~1128d avg | 5 versions | 3 versions, ~68d avg | 3 versions, ~21d avg | 5 versions, 1 majors/6mo, ~10d avg | 4 versions, ~13d avg |
