Comparison

Math Lessons by Voice vs M3 Mental Math

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

Head to head
About

Math Lessons by Voice

Features
Read full description

Listen to a problem, solve it in your head and answer aloud. Math Lessons by Voice combines mental math practice with a step-by-step course, from first numbers to fractions and equations. Features: • 10 interactive lessons with narration and visual explanations; • addition, subtraction, multiplication and division; • squares, roots, fractions and equations; • mathematical terms and definitions; • configurable difficulty and practice sessions; • saved progress and statistics; • English and Russian; • iPhone and iPad support. The first lesson and addition practice are free. A one-time Full Version purchase permanently unlocks the remaining lessons, practice activities, terms and Mission to Planet X. This is not a subscription. Spoken answers require microphone and speech-recognition permissions. On first launch, tap the microphone button and allow access. Recognition uses Apple Speech and may require an internet connection in some situations. No registration, advertising or third-party analytics.

About

M3 Mental Math

Features
Read full description

DO MENTAL MATH THE RIGHT WAY, WITH NO READING AT ALL! With our M3 Mental Math app, you practise mathematics exactly as mental math is meant to be done: in your head and without having to look at the problem. Have the arithmetic problems read aloud to you, work them out in your head, and then simply say your answer out loud. This allows you to do calculations entirely without reading. Ideal for targeted training of mental math, concentration, and calculation speed. You decide how you want to practise: display the problem, have the problem read aloud, or have it read aloud exclusively without displaying it. The answer can also be spoken aloud. This turns traditional math practice into flexible and particularly intensive mental math training that you can use anytime and anywhere. Practise addition, subtraction, multiplication, division, and multiplication tables, improve your number sense, and become faster at mental math step by step. Whether for school, university, work, or everyday life: the app makes learning math and practising mental arithmetic varied, flexible, and direct. START LEARNING MATH AND PRACTICING MENTAL MATH FOR FREE Improve your math skills step by step. This educational math app is suitable for kids, students, teens, adults, and seniors. Perfect for anyone who wants to learn math, practice arithmetic, improve calculation skills, and keep their brain active. Practice Mental Math and Build Strong Math Skills: • Thousands of engaging math exercises, math games, and arithmetic challenges • Master multiplication, times tables, multiplication facts, and calculation strategies • Improve subtraction skills and increase calculation speed • Practice addition and strengthen math fundamentals • Master division and challenging mental math problems • Adjustable difficulty levels for beginners and advanced learners • Create up to three profiles with personalized learning goals and progress tracking • Detailed statistics help track progress and improvement • Improve concentration, focus, number sense, logical thinking, and problem-solving skills • Educationally designed learning system for long-term success in mathematics • Personalized review lists help master difficult exercises • Start for free and explore all difficulty levels PERFECT FOR SCHOOL, HOMEWORK, AND TEST PREPARATION Mental math is one of the most important foundations of mathematics. MATH PRACTICE FOR ADULTS Mental math is valuable at every age. At work, shopping, or in daily life, faster calculations save time and strengthen cognitive performance. Targeted math practice improves arithmetic skills, concentration, memory, and mathematical thinking. BRAIN TRAINING AND MEMORY TRAINING Mental math is more than mathematics. Regular calculation practice supports concentration, focus, logical reasoning, memory, and problem-solving abilities. Daily brain training and brain games improve math skills and keep your mind active. M3 Mental Math combines math practice, math games, brain training, and memory training into an engaging learning experience for kids, students, and adults. THE MATH APP FOR EVERYDAY LEARNING Whether at home or on the go, M3 Mental Math helps you practice math, learn times tables, improve arithmetic skills, strengthen multiplication facts, and increase calculation speed. KEY FEATURES • Practice mental math daily • Learn math and improve math skills • Fun math games and arithmetic challenges • Addition, subtraction, multiplication, and division • Master times tables and multiplication facts • Brain training and memory training • Improve concentration, focus, and problem-solving skills • For kids, students, and adults • Adjustable difficulty levels • Free to start Start using M3 Mental Math today and improve mental math, math skills, arithmetic abilities, times tables, concentration, memory, and calculation speed while having fun learning. Terms of Use (EULA) https://www.schreiben-rechnen.de/en/nutzungsbedingungen

Screenshots

Math Lessons by Voice3 screens
M3 Mental Math4 screens

Verdict

The call

The clearest difference is update cadence: Math Lessons by Voice at weekly against M3 Mental Math's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Math Lessons by Voice sells 1 one-off in-app purchase and M3 Mental Math sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Math Lessons by Voice ships an update weekly, M3 Mental Math every 6 weeks. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Math Lessons by Voice versus M3 Mental Math: the parameters behind the verdict, then further details
ParameterMath Lessons by VoiceM3 Mental Math
PriceFreeFree
Update frequencyWeekly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015
Further details — not scored
Size4 MB94 MB
Age rating4+4+
DeveloperAishat PerezInstitut Dr. Ehrlich e.K.

In-app purchases

1 purchases

Math Lessons by Voice

One-time1
  • Full Version$2.00
2 purchases

M3 Mental Math

Subscriptions2
  • Pro Version (monthly)$1.991 Month
  • Pro Version (annually)$12.991 Year

Questions

Is Math Lessons by Voice free?
Math Lessons by Voice is free to download, with in-app purchases available.
Is M3 Mental Math free?
M3 Mental Math is free to download, with in-app purchases available.
Do Math Lessons by Voice or M3 Mental Math have ads?
Neither Math Lessons by Voice nor M3 Mental Math shows ads.
Which is updated more often, Math Lessons by Voice or M3 Mental Math?
Math Lessons by Voice ships an update weekly, and M3 Mental Math every 6 weeks. Most recently, Math Lessons by Voice was updated on November 12, 2026 and M3 Mental Math on November 9, 2026.

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