Comparison

Audio Maths 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

Audio Maths

Features
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Improve your mental arithmetic with Audio Maths – the app that challenges you with audio math problems! Listen to each problem, think quickly, and enter your answer. Perfect for on the go or in between tasks – no screen focus required. CUSTOMIZED TRAINING: - Choose which types of calculations you want to practice (+, –, ×, ÷) (including powers of 2 and 3). - Set the number of problems - Set your time limit per problem LEARN AT YOUR OWN PACE From beginners to math pros – Audio Maths grows with you. Improve your concentration and calculation speed in a fun way. Choose your level of difficulty for optimal practice. Ideal for preparing for aptitude tests Audio Maths is ideal for preparing for the DLR test and similar assessment training courses that require fast and acoustic mental arithmetic. HIGHLIGHTS: - Auditory tasks: Calculate using only your hearing - Fully customizable: Difficulty, speed, and scope - Time mode - Progress through repetition and focus - Ideal for pilot test training and concentration exercises - Audible signal a few seconds before expiry to simulate test conditions as closely as possible Become a math whiz – with Audio Maths. Please note: Accessing the shown functionality requires an active subscription or a lifetime access. Both can be purchased within the app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Audio Maths4 screens
Kopfrechnen Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: Kopfrechnen Trainer at none against Audio Maths's 2. On price, update cadence, ads 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. Audio Maths sells 2 in-app purchases, starting at $3.99 per month. Kopfrechnen Trainer asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

Scorecard1 real difference · 5 level
Audio Maths versus Kopfrechnen Trainer: the parameters behind the verdict, then further details
ParameterAudio MathsKopfrechnen Trainer
PriceFreeFree
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size11 MB92 MB
Age rating4+4+
DeveloperFelix DesideratoAlban Nelaj

In-app purchases

2 purchases

Audio Maths

Subscriptions1
  • Monthly Access3 Days trial$3.991 Month
One-time1
  • Lifetime Access$5.99
None

Kopfrechnen Trainer

No in-app purchases

Questions

Is Audio Maths free?
Audio Maths is free to download, with in-app purchases available.
Is Kopfrechnen Trainer free?
Kopfrechnen Trainer is free to download, with no in-app purchases.
Do Audio Maths or Kopfrechnen Trainer have ads?
Neither Audio Maths nor Kopfrechnen Trainer shows ads.
Which is updated more often, Audio Maths or Kopfrechnen Trainer?
Audio Maths ships an update every 2 weeks, and Kopfrechnen Trainer every 2 weeks. Most recently, Audio Maths was updated on September 15, 2026 and Kopfrechnen Trainer on September 14, 2026.

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