Comparison

MathApex vs Kopfrechnen Trainer

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

Head to head
About

MathApex

Features
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Practice math with your own owl: MathApex takes grades 1 to 4 through addition and subtraction, times tables, mental math, fractions, word problems and now money math in the Owl Market. Every right answer helps the owl grow. No ads; MathApex Pro is a one-time purchase, not a subscription. NEW: THE OWL MARKET • Take the owl to the market: shop from a list, pay at the till, check the change • Round prices in grades 1 and 2, exact prices with small coins in grades 3 and 4 • Sellers with voices of their own; your shopping goes to the pantry YOUR OWL • The owl grows with every right answer • Wardrobe and shop with more than 90 items • Chests full of diamonds and daily rewards • Weekly rankings with Game Center – parents switch them on • Math duel with friends: everyone gets the same 20 questions DIGITAL MATH WORKSHEETS • Create unlimited math problems – directly in the app • No printing costs, no paper – eco-friendly learning • Automatic correction with instant feedback • Various problem types: Standard, Fill-in-the-blank, Number Pyramids, Greater-Less-Than Comparison, Calculation Houses, Written Multiplication COMPREHENSIVE MATH EXERCISES • Times Tables (Multiplication Tables) Trainer for Grade 2-4 • Addition and Subtraction for Grade 1–4 • Multiplication and Division with various difficulty levels • Mental Math – practice quick calculations • Perfect Run – a fast challenge mode with score and speed • Cross Math, Broken Equation and Equation Builder for creative problem solving • Equivalent Fractions and fraction comparison practice • Word Problems for real-life Grade 3-4 practice • Number Pyramids and Pyramid problems • Comparison exercises (greater than, less than, equal) • Written Multiplication step by step • Calculation Houses with different operations DETAILED STATISTICS • Progress tracking for each learning area • Accuracy statistics and attempt history • Point system with rewards • Parent Dashboard for progress monitoring PLAYFUL LEARNING • Interactive math games with instant feedback • Reward system with treasure chests • Personalized learning paths by grade level (Grade 1, 2, 3, 4) • Daily challenges for consistent math practice • Motivating success displays SAFETY & PRIVACY • PIN-protected parental controls • Ad-free – no ads, no distractions • Privacy has highest priority • Game Center only with a parent's approval FOR PARENTS: • Create and customize your own math worksheets • Set difficulty levels and number ranges • Monitor learning progress and statistics • Set point rewards for motivation • Perfect for tutoring and homeschooling • MathApex Pro is a one-time purchase, not a subscription; the Apex Pass lasts one month and does not renew • All features PIN-protected WHY MATHAPEX? • Paperless learning – eco-friendly and sustainable • Instant feedback – learn from mistakes • Unlimited exercises – as many worksheets as needed • Math games without pressure • Motivating reward system • Ad-free – focused learning • Privacy comes first • Works offline Perfect for elementary school students who want to learn math, practice times tables, improve mental math or become more confident with fractions and word problems. Ideal for homeschooling, tutoring, test preparation or extra practice at home. Download MathApex now and start your modern math learning journey!

About

Kopfrechnen Trainer

Features
Read full description

Eine kleine Kopfrechnen-App für Plus, Minus, Mal und Geteilt, genau so, wie es in Bayern unterrichtet wird. Die Aufgaben werden vorgelesen, nicht aufgeschrieben. Das Kind hört zu, rechnet im Kopf und tippt die Lösung ein. ALLE VIER GRUNDRECHENARTEN • Plus, Minus, Mal, Geteilt • Genau wie in der bayerischen Grundschule unterrichtet • Sieben Schwierigkeitsstufen • Strategien wie Verdoppeln, Nachbaraufgaben, Zehnerübergang KOPFRECHNEN, NICHT ABSCHREIBEN Die Aufgaben werden vorgelesen, wie eine Lehrerin in der Klasse. Das Kind hört, rechnet im Kopf und tippt nur die Lösung ein. So wird das Kopfrechnen ohne Hilfsmittel trainiert. ELTERNBEREICH • Fortschrittsverlauf für jedes Kind • Übungen pro Strategie und Stufe • Vollständig offline und ohne Konto KLEIN, RUHIG, FOKUSSIERT • Keine Werbung, keine Belohnungs-Spiele • Keine Datensammlung, keine Tracker • Alle Daten bleiben auf dem Gerät Funktioniert für Grundschüler ab 7 Jahren, und für Erwachsene als tägliches Gehirntraining. EINE APP VON KINDERN, FÜR KINDER Diese App wurde von zwei bayerischen Drittklässlern entworfen. Plus, Minus, Mal und Geteilt, genau wie sie es lernen wollten. Nutzungsbedingungen (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MathApex4 screens
Kopfrechnen Trainer4 screens

Verdict

The call

The clearest difference is iOS requirement: MathApex at 15.1 against Kopfrechnen Trainer's 17.0. On price, update cadence, ads and in-app purchases 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. MathApex sells 2 one-off in-app purchases and Kopfrechnen Trainer sells 1 in-app purchase, starting at $9.00 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

MathApex ships an update every 3 weeks, Kopfrechnen Trainer fortnightly. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard1 real difference · 5 level
MathApex versus Kopfrechnen Trainer: the parameters behind the verdict, then further details
ParameterMathApexKopfrechnen Trainer
PriceFreeFree
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size62 MB92 MB
Age rating4+4+
DeveloperUmit SevimAlban Nelaj

In-app purchases

2 purchases

MathApex

One-time2
  • Apex Pass (1 month)$2.99
  • MathApex Pro$4.99
1 purchases

Kopfrechnen Trainer

Subscriptions1
  • Premium-Abo$9.001 Year

Questions

Is MathApex free?
MathApex is free to download, with in-app purchases available.
Is Kopfrechnen Trainer free?
Kopfrechnen Trainer is free to download, with in-app purchases available.
Do MathApex or Kopfrechnen Trainer have ads?
Neither MathApex nor Kopfrechnen Trainer shows ads.
Which is updated more often, MathApex or Kopfrechnen Trainer?
MathApex ships an update every 3 weeks, and Kopfrechnen Trainer fortnightly. Most recently, MathApex was updated on October 24, 2026 and Kopfrechnen Trainer on October 20, 2026.

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