Kopfrechnen Trainer vs Math Hero
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Kopfrechnen Trainer
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Kopfrechnen Trainer is a German-language app. Every problem is read aloud in German and is not shown on screen while the child works on it. There is no English version, no English audio and no text mode. The app suits children who do their maths in German: at a Grundschule, Volksschule or Primarschule in Germany, Austria or Switzerland, at a German-language school abroad, or in a bilingual family that wants German maths practice at home. Your child needs to understand spoken German numbers and short German sentences to use it. WHY THE PROBLEMS ARE SPOKEN Teachers in German-speaking primary schools dictate mental-arithmetic problems and the children write down only the answer. This app does the same. The child hears "sieben mal acht", holds the numbers in their head, works it out and types the result. Nothing to read off the screen, nothing to copy. The audio can be replayed as often as needed. If the child is stuck, a hint names the strategy, and the solution can be shown. WHAT YOUR CHILD PRACTISES โข Addition, subtraction, multiplication and division (plus, minus, mal, geteilt) โข Numbers up to 20, 100, 1,000 and 10,000 โข The times tables (Einmaleins) and multiplication beyond them โข Division with remainder and short word problems (Sachaufgaben), also spoken in German โข Seven levels, from the end of Klasse 1 to Klasse 4 in the German school system, roughly ages 7 to 10 โข Over 2,400 problems, each with a strategy hint and a solution STRATEGIES, NAMED AS IN SCHOOL The hints use the strategy names children hear in Bavarian primary schools: Verdoppeln, Tauschaufgaben, Hilfsaufgaben, Kernaufgaben, Umkehraufgaben, Stellenweise rechnen, Dividieren mit Rest and more. The levels and strategies are our own alignment with the Bavarian LehrplanPLUS for primary mathematics. This is not an official review or endorsement by any education authority. FOR PARENTS โข Several child profiles on one device, useful for siblings โข Parent area with progress per child, per level and per strategy, behind a simple parental gate โข CSV export and import of results โข Works completely offline, no account, no sign-up โข No advertising, no tracking, no analytics, no cloud: all data stays on the device PRICE The first 50 problems are free. After that an optional auto-renewing yearly subscription (Premium) unlocks unlimited practice, with Family Sharing for the devices in your Apple Family. The price is shown in the app and on this page. WHO MADE IT Kopfrechnen Trainer was designed by two Bavarian primary-school brothers together with their parents, starting from the mental-arithmetic dictation they knew from their own classroom. It is a small, quiet app: no reward games, no advertising, just listening and calculating. Please note once more: the interface, the audio and the word problems are all in German. If you are looking for an English-language maths app, this is not it. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Math Hero
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Math Hero turns daily mental math practice into a motivating experience for elementary school kids โ no multiple choice, just real calculating, visible progress, and a colorful, kid-friendly design. Why Math Hero?: โข Real mental math, not guessing: answers are entered on a number pad or by hand โ there's nothing to pick from a list. โข Over 60 practice sets aligned with the grade 1โ4 curriculum, from addition and subtraction up to 20 through every single times table to division with remainder and mixed operations. โข Visible progress instead of sticker charts: personal best times, animated gold/silver/bronze trophies for new records, and a progress chart tracking time and mistakes across every session. โข A learning log with the full practice history, grouped by date. โข Multiple profiles on one device โ perfect for siblings. โข Fair on every question: only one mistake counts per problem, however many tries it takes to get there. โข Sound effects for right/wrong answers and new records, with a mute switch. How it works: Choose a profile โ choose a grade โ choose a training โ solve 20 problems โ see your time and mistakes, and celebrate a new record if you get one. Ready for the next round. For grades 1 to 4, aligned with the curriculum: Grade 1: Addition & subtraction up to 10 and up to 20 (with and without carrying) Grade 2: Addition & subtraction up to 100 in 7 learning stages, multiplication and division โ every table from 1 to 10 on its own Grade 3: Addition & subtraction up to 1000 in 6 learning stages, semi-written calculation, times tables and division mixed and table by table Grade 4: Large times tables (11 to 19 one at a time, multiplying by multiples of ten), division with remainder, mental math with large numbers, mixed basic operations Privacy and fairness: Math Hero works completely offline, with no login and no account. The app is free to use and ad-supported; ads are classified as child-directed and are not personalized. Anyone who'd rather not see ads can remove them permanently with a one-time purchase โ no subscription. Math Hero โ for kids who want to really master mental math. Download it free and start your first round today!
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Verdict
The clearest difference is ads: Kopfrechnen Trainer at none against Math Hero's shown. On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Kopfrechnen Trainer sells 1 in-app purchase, starting at $9.00 per year and Math Hero sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Kopfrechnen Trainer ships an update every 2 weeks, Math Hero monthly. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.
| Parameter | Kopfrechnen Trainer | Math Hero |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks โ better | Monthly |
| Ads | No โ better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 โ better |
| Further details โ not scored | ||
| Size | 92 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Alban Nelaj | Matthias Toppe |
In-app purchases
Kopfrechnen Trainer
- Premium-Abo$9.001 Year
Math Hero
- Remove Ads$1.99
Questions
Is Kopfrechnen Trainer free?
Is Math Hero free?
Do Kopfrechnen Trainer or Math Hero have ads?
Which is updated more often, Kopfrechnen Trainer or Math Hero?
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