---
source: marlvel.ai
type: app_intelligence_section
content_version: "v2"
section_slug: "sentiment"
section_label: "User Sentiment"
section_anchor: "#user-sentiment"
app_name: "BlackJack by Murka: 21 Classic"
bundle_id: "com.murka.blackjack.cards.21"
parent_report: "https://marlvel.ai/api/llm/apps/games/blackjack-by-murka-21-classic"
canonical_url: "https://marlvel.ai/apps/blackjack-by-murka-21-classic#user-sentiment"
license: CC-BY-NC-4.0
citation: "Marlvel.ai — BlackJack by Murka: 21 Classic User Sentiment (section of intelligence report)"
---

## 🟡 User Sentiment (High Confidence: 28,940 reviews) {#user-sentiment}
- **Overall Rating:** 4.52/5
- **Platform Split:** iOS 4.7/5 (4,078 ratings) | Android 4.5/5 (24,862 ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **Engaging Gameplay** | *Evidence:* "it's truly fun!"
- **Visual Design** | *Evidence:* "Great graphics"

### Top Complaints (Impact Areas)
- **Excessive Advertising** | *Evidence:* "PACKED FULL OF ADS"
- **Perceived Rigging** | *Evidence:* "stay away from murka there all rigged"
- **Technical Stability and Data Loss** | *Evidence:* "App would be fun if it didn't crash after every hand"