| Core Identity |
| Developer | Yuichi HARA | DeepL SE | Google | Theo Hoffenberg | NAVER Corp. | Merriam-Webster, Inc. | Curiosity Media |
| Category | Reference | Reference | Reference | Reference | Reference | Reference | Reference |
| Platform | iOS | iOS, Android | iOS, Android | iOS, Android | Android, iOS | iOS | Android, iOS |
| Store Metrics |
| Rating | 2.3 / 5 | 4.8 / 5 | 4.3 / 5 | 4.7 / 5 | 4.7 / 5 | 4.8 / 5 | 4.8 / 5 |
| Ratings Count | 3 | 13,258 | 82,610 | 3,573 | 3,365 | 316,217 | 327,867 |
| Price | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Nov 6, 2015 | Apr 26, 2021 | Feb 8, 2011 | Nov 5, 2014 | Sep 11, 2016 | Dec 14, 2010 | Apr 7, 2009 |
| Last Updated | Jun 15, 2023 | May 19, 2026 | May 4, 2026 | Apr 3, 2026 | Mar 4, 2026 | Apr 8, 2026 | Mar 13, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | mixed | mixed | mixed | excellent | terrible |
| Score | 40/100 | 45/100 | 65/100 | 45/100 | 45/100 | 82/100 | 15/100 |
| Praises | - Core translation functionality provides a helpful utility for users seeking quick language conversion
| - Natural sounding translation quality for English and European languages keeps users engaged during daily tasks
| - Live translation and transcript saving features provide significant utility for travelers and language learners
| - Contextual translation features provide deeper linguistic understanding than standard dictionary apps for language learners
| - Accurate translation performance for Asian languages provides significant utility for daily communication needs
| - Educational Utility
- Engaging Features
| |
| Complaints | - Blank screen rendering during translation attempts prevents users from accessing core utility
| - Restrictive free usage limits and aggressive monetization nudges frustrate users who rely on the service daily
| - Recent interface changes obscure critical buttons and create navigation friction for daily users
| - Inaccurate translation examples and AI-generated content erode trust in the application accuracy
| - Forced language selection logic causes persistent errors when attempting to translate non-Korean language pairs
| - Excessive Advertising
- Technical Bugs
| - Removal of Paid Features/Premium Access
- Excessive Advertising
|
| Requests | - | - Addition of audio playback controls to adjust speed and volume for better language learning utility
| - Users request granular control over translation settings including speech speed and language reversal
| - Expanded language support for underrepresented regions including Indonesian and various African languages
| - Expanded offline translation support for additional languages beyond the current limited selection
| - | - |
| Strategic Intel |
| Strengths | - Specialized focus on physical textbook reading
| - High-accuracy engine sustains organic install velocity
- B2B glossaries create enterprise switching costs
- Minimalist interface reduces cognitive load
| - System-level Android integration replaces default assistant on hardware-mapped triggers
- 249-language library functions as a massive data-collection moat
| - Contextual translation engine creates high switching costs for professional users
- SRS learning loop anchors daily active usage
- Cross-device synchronization reduces churn
| - Regional linguistic superiority in Korean/Japanese
- OS-level translation via Papago Mini
- Integrated study-note retention loops
| - High-trust brand authority and scholarly reliability
- Superior human-voiced audio pronunciations
- Strong user retention via integrated games (Quordle, Blossom)
| - Massive content library (2M+ definitions)
- High-quality editorial and linguistic deep-dives
- Strong brand authority and SEO funnel
|
| Weaknesses | - Critical rendering failure blocks core utility
- 2.33-star rating indicates poor technical stability
| - Premium tier pricing above category median
- Persistent connectivity bugs on standard networks
- Restrictive free-tier limits causing high-frequency churn
| - Recent UI updates obscure critical text-editing controls
- Frequent post-update application crashes disrupt translation workflow
| - AI-generated translation errors erode user trust
- Monthly subscription costs perceived as high
- Technical regressions break core keyboard switching
| - Rigid Korean-default language logic
- Poor translation quality for European languages
- Account synchronization failures
| - Intrusive ad load described as 'borderline unusable'
- Technical bugs in core search bar functionality
- Overly strict search mechanics compared to 'fuzzy' competitors
| - Aggressive and intrusive video advertising
- Broken migration path for legacy premium users
- Loss of core utility features like 'Favorites'
|
| Pricing | free | freemium | free | freemium | free | freemium | free |
| Momentum | Zombie | Active | Intense | Intense | Active | - | Maintenance |
| Update Cadence | 4 versions | 5 versions, ~10d avg | 5 versions, ~6d avg | 5 versions | 5 versions | - | 5 versions, ~15d avg |
