Math by Voice: Mental Math

X-PlanetMath (Math by Voice) is a voice-first mathematics learning app for children and adults — a true voice math app that turns practice into a spoken conversation.

Speak answers aloud, choose learning activities with voice commands, and explore mathematical topics step by step. Manual input is available only where it is genuinely useful.

KEY FEATURES

• voice navigation and spoken answers;

• a structured course of 10 interactive math lessons;

• addition, subtraction, multiplication, and division;

• fractions, percentages, powers, roots, and equations;

• configurable practice sessions — great math practice for kids and adults alike;

• tests with increasing difficulty;

• narrated mathematical terms and explanations;

• statistics and saved progress;

• English and Russian languages;

• no advertising or required account registration.

10 INTERACTIVE MATH LESSONS

The course progresses from counting and arithmetic through fractions and formulas to equations, powers, and quadratic equations. These interactive lessons for kids and adults combine spoken explanations, visual material, questions, and saved results.

VOICE PRACTICE

Choose an operation, difficulty, number of questions, and answer time. X-PlanetMath reads each problem aloud, listens to the spoken answer, and provides immediate feedback — mental math practice made simple with your voice.

WHO IT IS FOR

• children learning mathematical foundations and looking for fun math practice for kids;

• students practicing mental arithmetic;

• adults maintaining calculation speed and concentration;

• learners who find spoken interaction more convenient than typing — ideal if you're searching for a voice math app or a hands-free way to learn math by voice.

Microphone permission is required for voice features. Offline speech-recognition availability depends on the device and installed speech service.

All current learning modes are available free of charge during early access.