| Core Identity |
| Developer | SKTelecom | CallApp | Hiya | Gogolook | LINE (LY Corporation) | Google LLC | Alexander Elliot Choi |
| Category | Communication | Utilities | Utilities | Utilities | Communication | Communication | Communication |
| Platform | Android | iOS, Android | iOS, Android | iOS, Android | Android, iOS | Android, iOS | iOS, Android |
| Store Metrics |
| Rating | 4.4 / 5 | 4.5 / 5 | 4.5 / 5 | 4.7 / 5 | 3.2 / 5 | 4.1 / 5 | 4.7 / 5 |
| Ratings Count | 418,746 | 245 | 236,304 | 2,933 | 17,764 | 35,529 | 68,783 |
| Price | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Sep 3, 2017 | Aug 20, 2025 | Jul 29, 2015 | Dec 17, 2014 | Jun 23, 2011 | Oct 25, 2021 | Sep 28, 2023 |
| Last Updated | Apr 21, 2026 | Mar 31, 2026 | Apr 16, 2026 | Apr 27, 2026 | May 7, 2026 | Dec 12, 2025 | Apr 28, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | - | negative | negative | positive | - |
| Score | 35/100 | 45/100 | - | 25/100 | 25/100 | 85/100 | - |
| Praises | - Spam and phishing detection features provide significant utility for daily communication security
| - Accurate identification of unknown callers provides a sense of security for daily communication needs
- User friendly interface design makes managing contact lists and call logs simple for beginners
| - | - Effective identification of scammer and spam numbers helps users avoid unwanted solicitation calls
| - Expressive sticker collections and themes provide a fun and personalized communication experience for daily users
| | - |
| Complaints | - Forced default application settings create friction and user frustration during the initial setup
| - Aggressive monetization tactics and unskippable ads prevent basic navigation within the free trial version
- Technical failures including call blocking malfunctions and message loading delays degrade core communication utility
| - | - Aggressive full-screen advertisements disrupt the user experience even for those with active premium subscriptions
- Technical instability and login failures prevent users from accessing core caller identification features
| - Intrusive AI assistant integration forces recurring manual opt-out actions that disrupt the primary chat interface
| - Desktop client performance
| - |
| Requests | - Granular language settings are requested to allow users to override system-level language defaults
| - Transparent subscription models with functional free trials to evaluate utility before committing to payment
| - | - Granular control settings for SMS pop-ups and notification behavior to reduce user annoyance
| - Permanent disablement options for AI features to restore the original clean chat interface design
| | - |
| Strategic Intel |
| Strengths | - Carrier-native integration enables superior AI-driven call transcription accuracy
- Exclusive roaming and interpretation features create high switching costs for SK Telecom subscribers
| - 8-billion-number database creates a high-volume barrier to entry
- Cross-platform IM caller ID increases daily session frequency
- Wear OS integration extends utility to smartwatches
| - | - Community-powered reporting loop reduces database maintenance costs
- B2B verified business number model provides enterprise revenue diversification
| - MINI Apps integration drives high session frequency
- Sticker marketplace creates strong user emotional attachment
| - Native OS integration replaces default assistant triggers
- RCS protocol standardization drives cross-platform adoption
| - |
| Weaknesses | - Forced default-app configuration triggers high user friction
- Recent updates introduced stability regressions
- Restrictive usage limits on call summaries reduce perceived value
| - 0.2★ rating gap between iOS and Android platforms
- High-frequency unskippable ads blocking core navigation
- Messaging latency reported post-installation
| - | - Premium tier fails to remove intrusive ads
- 0.9★ rating gap between iOS and Android indicates platform-specific technical regressions
| - Account recovery fails on device loss
- Intrusive AI UI disrupts chat flow
- Message sync failures post-update
| - Lack of standalone desktop client vs WhatsApp
- Carrier-dependent infrastructure limits feature consistency
| - |
| Pricing | free | freemium | freemium | freemium | freemium | free | free |
| Momentum | Maintenance | Active | Active | Active | Active | Maintenance | Intense |
| Update Cadence | 1 versions, 1 majors/6mo | 5 versions, 5 majors/6mo, ~15d avg | 5 versions | 5 versions, 2 majors/6mo, ~7d avg | 3 versions, ~22d avg | 2 versions, ~115d avg | 5 versions |
