---
source: marlvel.ai
type: app_intelligence_section
content_version: "v2"
section_slug: "sentiment"
section_label: "User Sentiment"
section_anchor: "#user-sentiment"
app_name: "KOSTAL Solar App"
bundle_id: "com.kostal.solarapp.ios"
parent_report: "https://marlvel.ai/api/llm/apps/utilities/kostal-solar-app"
canonical_url: "https://marlvel.ai/apps/kostal-solar-app#user-sentiment"
license: CC-BY-NC-4.0
citation: "Marlvel.ai — KOSTAL Solar App User Sentiment (section of intelligence report)"
---

## 🔴 User Sentiment (High Confidence: 116 of 170 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 2.92/5
- **Platform Split:** iOS 2.0/5 (6 ratings) | Android 2.9/5 (3.9K ratings)
- **Overall Sentiment:** Upset

### Top Praises
- **The core layout and visual presentation of solar data provide a clear overview for users**

### Top Complaints (Impact Areas)
- **Frequent data synchronization failures and long delays prevent real-time monitoring of solar installations**
- **Unstable login sessions and forced re-authentication cycles disrupt daily access to energy management tools**

### Top Requests (What Users Want)
- **Direct access to live inverter data without relying on cloud synchronization or portal maintenance**

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