---
source: marlvel.ai
type: app_intelligence_section
content_version: "v2"
section_slug: "sentiment"
section_label: "User Sentiment"
section_anchor: "#user-sentiment"
app_name: "VO2max Calculator"
bundle_id: "com.quizstone.VO2max-Calculator"
parent_report: "https://marlvel.ai/api/llm/apps/health-fitness/vo2max-calculator"
canonical_url: "https://marlvel.ai/apps/vo2max-calculator#user-sentiment"
report_date: "2026-09-02"
license: CC-BY-NC-4.0
citation: "Marlvel.ai - VO2max Calculator User Sentiment (section of intelligence report)"
---

## 🔴 User Sentiment (Low Confidence: 3 of 3 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 1/5
- **Platform Split:** iOS 1.0/5 (13 ratings)
- **Overall Sentiment:** Upset

### Top Complaints (Impact Areas)

- **The application fails to launch and displays a black screen immediately after users input data**

<!-- /section:sentiment -->
<!-- section:swot -->