---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "CSS Quick Reference"
developer_entity: "Flight-Sheets.com"
bundle_id: "CSSReference"
app_store_id: "397775784"
category: "Reference"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2014-04-02"
report_date: "2026-08-14"
last_verified: "2026-08-14T00:00:00.000Z"
report_version: "3.2"
total_reviews: 16
overall_rating: 4.5
confidence: "low"
confidence_score: 0.2
data_age_days: 47
momentum_velocity: "zombie"
intelligence_version: 3
tags: ["reference", "free", "mobile app", "app review", "app analysis", "developers", "designers", "require"]
canonical_url: "https://marlvel.ai/apps/css-quick-reference"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# CSS Quick Reference Intelligence Report

## TL;DR {#tldr}

- **Category**: Reference · Free
- **Signal**: Rating 4.5

> **TL;DR:** CSS Quick Reference is a reference app by Flight-Sheets.com, rated 4.5/5 by 16 users, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** CSS Quick Reference is a reference app by Flight-Sheets.com.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.5/5 (16 reviews) |
| **Category** | Reference |
| **Developer** | Flight-Sheets.com |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.2/1.0) |
| **Data Age** | 47d |

## Metadata & Market Performance
- **Publisher:** Flight-Sheets.com
- **Category:** Reference
- **Target Audience:** Web developers and designers who require a portable, offline reference for CSS syntax and color values.
- **Platforms:** iOS
- **Version Reviewed:** 3.2
- **Report Date:** 2026-08-14
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.2/1.0)
- **App Store ID (iOS):** 397775784
- **Bundle ID:** CSSReference
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-08-14

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** CSS Quick Reference is an offline utility for iPhone and iPod touch that provides W3C CSS syntax, usage notes, and a live HTML/CSS editor for developers.
**Why users hire it:** The app removes the cognitive and time cost of switching to a desktop environment for minor syntax checks or color value lookups.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] CSS Property Reference:** Provides syntax, usage notes, and JavaScript equivalents for W3C CSS properties, pseudo-classes, and pseudo-elements.
  * *User Intent:* Users seek enhanced value through premium features.
- **[Differentiator] Live HTML/CSS Editor:** Built-in browser allows editing and rendering of sample HTML and CSS code directly within the app, reducing the need for desktop development environments.
- **[Standard] Color Picker Tool:** Generates RGB and hex values from CSS color names, Web Safe Color charts, or custom user inputs.
  * *User Intent:* Users value self-expression and personalized experiences.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

CSS Quick Reference maintains a niche position in the Reference category as a free, offline-first utility. Its 4.5-star rating reflects high satisfaction among its small user base, though the 12-year update gap limits its competitive relevance against modern, cloud-synced documentation tools.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Fully free application
- **Analysis:** The app operates as a free utility with no visible in-app purchases or subscription tiers.

<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Integrated live HTML/CSS editor enables immediate code testing without desktop environments

**Growth Levers:**
- Modernizing UI to support current iOS standards could capture developers seeking lightweight, offline alternatives


<!-- /section:swot -->
<!-- section:whats-new -->
## What's New

- **Latest (v3.2, 12 years ago):** Updated visual identity including images, color schemes, and fonts based on user feedback.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- Dormant for over 12 years.
- No feature updates since 2014.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 4516 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

CSS Quick Reference is a reference app that is completely free.
It holds a 4.5/5 rating from 16 reviews.

<!-- speakable-start -->
> **Bottom Line:** CSS Quick Reference serves as a functional offline utility, but its decade-long dormancy limits its utility for modern workflows. Maintaining basic compatibility would preserve its value as a lightweight, no-dependency reference tool for developers.
<!-- speakable-end -->

**Best for:** Web developers and designers who require a portable, offline reference for CSS syntax and color values.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [MAINTAIN] Audit codebase for iOS compatibility because the app has not been updated since 2014 → ensure basic functionality on modern hardware
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Declining

The market for developer reference tools has shifted toward cloud-synced, frequently updated documentation platforms. CSS Quick Reference remains a static utility, and without a refresh to address modern screen resolutions and iOS standards, it will likely lose relevance as hardware and web standards evolve.

- 🔴 The 12-year update gap indicates the app is in permanent maintenance mode, which risks total failure as iOS APIs evolve.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.5/5 |
| Total Reviews | 16 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Stable |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **CSS Quick Reference** (this app) | 4.5/5 | N/A | Flight-Sheets.com |
| [올어바웃성경](https://marlvel.ai/apps/com-allabout-bibleapp) | 5.0/5 | N/A | Gilju Lee |
| [Hallow: Prayer & Meditation](https://marlvel.ai/apps/hallow-prayer-meditation) | 4.7/5 | n/a | Hallow, Inc. |
| [고려대 한국어 속담 사전](https://marlvel.ai/apps/app--428) | N/A/5 | N/A | DaolSoft, Co., Ltd. |
| [우리말 의학사전](https://marlvel.ai/apps/app--427) | N/A/5 | N/A | DaolSoft, Co., Ltd. |
| [공인중개사 용어사전](https://marlvel.ai/apps/app--429) | N/A/5 | N/A | DaolSoft, Co., Ltd. |

## Company Profile
- **Developer:** Flight-Sheets.com
- **Website:** [https://www.flight-sheets.com/iphone/cssqref.htm](https://www.flight-sheets.com/iphone/cssqref.htm)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/css-quick-reference/id397775784?uo=4)
- **Dev Site:** [Official Website](https://www.flight-sheets.com/iphone/cssqref.htm)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
- [*올어바웃성경*](https://marlvel.ai/apps/com-allabout-bibleapp) (Gilju Lee) · 5.0/5 Rating
- [*Hallow: Prayer & Meditation*](https://marlvel.ai/apps/hallow-prayer-meditation) (Hallow, Inc.) · 4.7/5 Rating
- [*고려대 한국어 속담 사전*](https://marlvel.ai/apps/app--428) (DaolSoft, Co., Ltd.) · N/A Rating
- [*우리말 의학사전*](https://marlvel.ai/apps/app--427) (DaolSoft, Co., Ltd.) · N/A Rating
- [*공인중개사 용어사전*](https://marlvel.ai/apps/app--429) (DaolSoft, Co., Ltd.) · N/A Rating
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## Frequently Asked Questions {#faq}

### Is CSS Quick Reference still useful for modern web development?

While the CSS syntax reference remains accurate, the app has not been updated since 2014. It functions as a basic, offline-only tool, but lacks support for modern CSS features and current iOS interface standards.

### Does CSS Quick Reference require an internet connection?

No, the app is designed for offline access, allowing developers to view CSS properties and test code snippets without needing a network connection.

### Are there free alternatives to CSS Quick Reference?

Many modern web documentation sites offer free, mobile-optimized versions that are updated regularly, though they typically require an internet connection for full functionality.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.2/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 47 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/css-quick-reference)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.