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
Read full description

**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
Read full description

Transform plain HTML into visually stunning, responsive websites with Learn CSS Web Design Offline! The ultimate guide to modern CSS3 styling, Flexbox layouts, CSS Grid systems, and web animations without an internet connection. Master the art of web design with step-by-step visual lessons, interactive property tweaking, layout blueprints, and an on-device CSS code playground designed for aspiring front-end developers and web designers. COMPLETE CSS3 CURRICULUM & FEATURES: - Core CSS Fundamentals: Selectors (class, ID, pseudo-classes), cascading rules, specificity, units (px, rem, em, %, vh, vw), and web typography. - The CSS Box Model: Complete mastery of margins, padding, borders, content box sizing, and outline styling. - Modern Flexbox Layouts: Align, justify, wrap, and distribute elements effortlessly with hands-on Flexbox container and item properties. - Advanced CSS Grid Systems: Build complex, multi-column web layouts using grid-template-columns, grid areas, auto-fit, and minmax functions. - Responsive Web Design: Media queries, mobile-first design principles, responsive images, and fluid typography. - Visual Effects & Modern UI: Linear/radial gradients, box-shadows, glassmorphism backdrop filters, rounded borders, and transform effects. - Keyframe Animations & Transitions: Create smooth hover interactions, loader animations, and animated UI state transitions. - 100% Offline Learning: Review layout cheatsheets, CSS rules, and practice styling anytime without Wi-Fi. COMMITTED TO PRIVACY: No data tracking, no mandatory accounts, and zero internet permissions required. Download Learn CSS Web Design Offline today and master modern web styling!

Screenshots

C Library Reference4 screens
Learn CSS4 screens

Verdict

The call

The clearest difference is ads: C Library Reference at none against Learn CSS's shown. C Library Reference also leads on update cadence (every 3 days vs every 2 months). Learn CSS's advantage is iOS requirement (15.1 vs 17.0). On price, 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 October 5, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 6 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
AdsNo — betterYes
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 RubNagy Solaiman

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?
Learn CSS shows ads; C Library Reference does not.
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 October 5, 2026 and Learn CSS on October 12, 2026.

Other comparisons