---
source: marlvel.ai
type: app_intelligence_section
content_version: "v2"
section_slug: "sentiment"
section_label: "User Sentiment"
section_anchor: "#user-sentiment"
app_name: "Numboard – Scientific Keyboard"
bundle_id: "com.philzet.numboard"
parent_report: "https://marlvel.ai/api/llm/apps/utilities/numboard-scientific-keyboard"
canonical_url: "https://marlvel.ai/apps/numboard-scientific-keyboard#user-sentiment"
report_date: "2026-08-20"
license: CC-BY-NC-4.0
citation: "Marlvel.ai - Numboard – Scientific Keyboard User Sentiment (section of intelligence report)"
---

## 🔴 User Sentiment (High Confidence: 20 of 20 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 2.13/5
- **Platform Split:** iOS 2.1/5 (23 ratings)
- **Overall Sentiment:** Frustrated

### Top Praises
- **The keyboard provides a useful set of mathematical symbols that assist students with algebra homework**

### Top Complaints (Impact Areas)

- **Users report that essential keyboard symbols are locked behind a paywall, rendering the app unusable**

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