C Library Reference vs Mental Math Learning Games
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
C Library Reference
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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.
Mental Math Learning Games
Enhance your calculation speed and accuracy with focused daily workouts. This app offers progressive levels, skill tests, and math games to improve arithmetic abilities. Track your progress with a Math IQ score and sync across devices.
- Personalized practice sessions
- Skill level testing
- Math games and drills
- Progressive difficulty levels
- Math IQ tracking
- Cloud synchronization
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Practice mental math in short sessions that fit your level, then play quick math games to make it stick. Mental Math combines a personal Bootcamp for addition, subtraction, multiplication and division with an Arcade full of high scores. BOOTCAMP: YOUR COACH-LED PRACTICE Coach picks your set Start a focus set chosen from your recent results, aimed at the operation that needs work. Level ladder Pick an operation and climb level by level. Timed sessions measure your Skill Rating. Times tables Choose the tables and rows you want, study the facts, then practice exactly those. Mistake review Repeat the facts you missed earlier, without a timer. ARCADE: QUICK GAMES, BIG SCORES Classic: type your answer, press = and beat your best. Speed Math: correct answers submit instantly. Tap Next to skip. Point Hunt: solve as many tasks as you can in 60 seconds. Survival: keep going until time runs out. Correct answers add time. Every game keeps your personal best and posts to Game Center leaderboards. Arcade games never lower your Skill Rating. SKILL RATING AND PROGRESS Take the optional skill test to get your Skill Rating and tier, from Iron to Grandmaster. Review your Success Rate and Average Response Time after every session, keep your daily streak going and follow weekly and monthly trends in the Progress Hub. Compare ranks with friends and collect achievements in Game Center. For students and adults who want regular practice with everyday calculations, and for anyone who enjoys a quick number game. MENTAL MATH PRO An optional one-time purchase unlocks Pro: all Bootcamp levels, coach-picked sets and no ads. Pay once and keep Pro for life. There is no subscription and nothing renews. Local prices are shown in the app. Privacy Policy: https://www.mental-math.app/en/privacy Terms of Use: https://www.mental-math.app/en/terms Help and contact: https://www.mental-math.app/en/contact
Screenshots
Verdict
The clearest difference is in-app purchases: C Library Reference at none against Mental Math Learning Games's 22. C Library Reference also leads on ads (none vs shown) and update cadence (every 3 days vs every 10 days). On price 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
Both are free to download. Mental Math Learning Games sells 22 in-app purchases, starting at $1.99 per 7 days. C Library Reference asks for nothing beyond the download.
C Library Reference ships an update every 3 days, Mental Math Learning Games every 10 days. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.
| Parameter | C Library Reference | Mental Math Learning Games |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (7 ratings) — better |
| Number of ratings | — | 7 — better |
| Update frequency | Every 3 days — better | Every 10 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 3 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Roger Rub | Coffee Bytes LDA |
In-app purchases
C Library Reference
No in-app purchases
Mental Math Learning Games
- Pro Version$1.997 Days
- Pro Version3 Days trial$5.991 Month
- Pro Version3 Days trial$7.991 Month
Show 5 moreShow fewer
- Pro Version7 Days trial$9.991 Year
- Pro Version$9.991 Year
- Pro Version7 Days trial$24.991 Year
- Pro Version7 Days trial$29.991 Year
- Pro Version$29.991 Year
- Mental Math Pro Lifetime$0.99
- Mental Math Pro Lifetime$2.99
- Mental Math Pro Lifetime$4.99
Show 11 moreShow fewer
- Pro Version$4.99
- Pro Version$5.99
- Pro Version$7.99
- Pro Version$8.99
- Mental Math Pro Lifetime$9.99
- Pro Version$9.99
- Pro Version$11.99
- Pro Version$59.99
- Pro Version$79.99
- Pro Version$99.99
- Pro Version$119.99
Questions
Is C Library Reference free?
Is Mental Math Learning Games free?
Do C Library Reference or Mental Math Learning Games have ads?
Which is updated more often, C Library Reference or Mental Math Learning Games?
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