Comparison

C Library Reference vs Learn CSS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

C Library Reference

Features
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**C Library Reference** ist deine umfassende Referenz für die C-Standardbibliothek – perfekt für Studenten, Programmierer und alle, die C lernen oder nachschlagen möchten. **IDEAL FÜR C-LERNENDE** Egal ob du gerade mit C programmieren beginnst oder dein Wissen vertiefen möchtest – diese App bietet dir schnellen Zugriff auf über 100 C-Funktionen mit verständlichen Erklärungen, praxisnahen Beispielen und interaktiven Lernmodi. **HAUPTFUNKTIONEN** Umfassende Bibliothek • Über 100 C-Standardfunktionen • Organisiert nach Kategorien (I/O, String, Memory, Math, etc.) • Detaillierte Syntax und Header-Informationen • Mehrere Codebeispiele pro Funktion Interaktives Lernen • Quiz-Modus mit Multiple-Choice und Lückentexten • Flashcards für effektives Wiederholen • Kategorie-spezifisches Training • Fortschrittsverfolgung Persönliche Lernumgebung • Markiere Favoriten für schnellen Zugriff • Notizen zu einzelnen Funktionen • Tags für individuelle Organisation • Lernstatistiken Code-Vorlagen & Referenzen • Häufig verwendete C-Muster • Übersicht über Standard-Bibliotheken • Syntax-Highlighting für bessere Lesbarkeit • Beispiele mit Erklärungen Modern & Benutzerfreundlich • Natives SwiftUI-Design für iOS und iPadOS • Intuitive Navigation • Suchfunktion für schnelles Finden • Teilen-Funktion für Code und Syntax iCloud-Synchronisation • Deine Favoriten, Notizen und Fortschritte • Automatisch auf allen Geräten verfügbar • Sichere Datenspeicherung **FÜR WEN IST DIESE APP?** Informatik-Studenten Programmier-Anfänger C-Entwickler, die eine schnelle Referenz benötigen Alle, die C lernen oder ihr Wissen auffrischen möchten **KATEGORIEN UMFASSEN:** • Input/Output (printf, scanf, fopen, fclose, etc.) • String-Funktionen (strlen, strcpy, strcmp, strcat, etc.) • Speicherverwaltung (malloc, free, calloc, realloc, etc.) • Mathematik (sqrt, pow, sin, cos, tan, etc.) • Zeit-Funktionen (time, clock, strftime, etc.) • Zeichen-Operationen (isdigit, isalpha, toupper, etc.) • Prozess-Steuerung (exit, system, getenv, etc.) • Konvertierung (atoi, atof, sprintf, sscanf, etc.) • Algorithmen (qsort, bsearch) • Datenstrukturen (struct, union, enum, typedef) **KOMPLETT KOSTENLOS** Keine In-App-Käufe, keine Werbung, keine Abonnements. Alle Funktionen sind von Anfang an verfügbar.

About

Learn CSS

Master Cascading Style Sheets with interactive lessons, a real-time code editor, and gamified challenges. Learn fundamentals, responsive design, and modern layouts to build professional web designs.

Highlights
  • Interactive CSS tutorials
  • Real-time code editor
  • Daily coding tips and quizzes
  • Gamified learning with XP and achievements
  • Professional UI mockup assets
  • Offline lesson access
Features
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Unlock the world of web design with Learn CSS! Whether you're a complete beginner or looking to sharpen your styling skills, our app provides a structured, interactive, and fun way to master Cascading Style Sheets. From basic selectors to advanced layouts with Flexbox and Grid, Learn CSS guides you through every step with bite-sized lessons and instant feedback. WHY YOU'LL LOVE LEARN CSS: - Interactive Lessons: Learn by doing with step-by-step CSS tutorials. - CSS Playground: Write code and see results instantly in our real-time editor. - Daily Tips & Quizzes: Stay sharp with daily coding insights and knowledge checks. - Gamified Learning: Earn XP, unlock achievements, and maintain your coding streak! - Professional Assets: Access built-in images and media to build stunning UI mockups. - Dark Mode Support: Code comfortably day or night with a premium dark interface. - Offline Access: Learn anytime, anywhere—no internet connection required for core lessons. WHAT YOU'LL MASTER: - CSS Fundamentals: Selectors, colors, fonts, and box model. - Responsive Design: Making websites look great on any screen. - Modern Layouts: Flexbox and CSS Grid made easy. - Animations & Transitions: Adding life to your web projects. Download Learn CSS now and transform your creative ideas into professional web designs!

Screenshots

C Library Reference4 screens
Learn CSS4 screens

Verdict

The call

The clearest difference is update cadence: C Library Reference at every 3 days against Learn CSS's every 2 months. Learn CSS's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

C Library Reference ships an update every 3 days, Learn CSS every 2 months. The most recent releases landed on September 17, 2026 and July 16, 2026 respectively.

Scorecard2 real differences · 7 level
C Library Reference versus Learn CSS: the parameters behind the verdict, then further details
ParameterC Library ReferenceLearn CSS
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size3 MB116 MB
Age rating4+4+
DeveloperRoger RubPejoal Hanna

In-app purchases

None

C Library Reference

No in-app purchases

None

Learn CSS

No in-app purchases

Questions

Is C Library Reference free?
C Library Reference is free to download, with no in-app purchases.
Is Learn CSS free?
Learn CSS is free to download, with no in-app purchases.
Do C Library Reference or Learn CSS have ads?
Neither C Library Reference nor Learn CSS shows ads.
Which is updated more often, C Library Reference or Learn CSS?
C Library Reference ships an update every 3 days, and Learn CSS every 2 months. Most recently, C Library Reference was updated on September 17, 2026 and Learn CSS on July 16, 2026.

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