Comparison

Mental Math vs Sum Serenity

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

Head to head
About

Mental Math

Enhance your mental math abilities with this interactive app. It offers engaging gameplay and exercises, teaching calculation secrets and tricks to solve problems quickly. Track your progress and compete globally.

Highlights
  • Basic operations (+, -, x, /)
  • Multiplication tables (1-20)
  • Power calculation (1-100)
  • Percentage challenges
  • Fast calculation tricks
  • Adjustable difficulty levels
  • Progress tracking
Features
Read full description

Discover the power of Mental Calculation, an interactive app tailored for kids, students, and adults, crafted to enhance your mental math skills.  Learn and improve effortlessly through exciting gameplay or exercise. Includes fast Calculation secrets and tricks to help you solve problems in seconds! Follow and compare your world ranking with the Game Center. Perfect for all skill levels, this app offers personalized practice to help you improve and excel. Features and Options Include: Basic operations: +, -, x, / Multiplication tables (1 to 20) Power calculation (1 to 100) Percentage challenges Cheering messages Fast calculation tricks Learning section: times and power tables Difficulty levels: beginner to expert in 5 levels Adjustable or no timer option Shows correct answer if you fail Track your history, best score, and prices

About

Sum Serenity

Features
Read full description

Indulge in the blissful realm of mental maths. Navigate through tranquil challenges that not only sharpen your skills but also bring a sense of calm to your mind. • 75 Stunning Levels: Progress through a captivating array of 75 meticulously crafted levels, each designed to test and enhance your mental math skills. From the basics to advanced calculations, Sum Serenity ensures a comprehensive and rewarding learning experience. You can try 15 levels for free. • 5 Unique Worlds: Immerse yourself in the enchanting landscapes of five distinct worlds, each offering a new set of challenges and mathematical wonders. Explore the diversity of math as you conquer each world and unveil its secrets. • Endless Mode: Take on an infinite challenge with the endless mode, where the difficulty escalates as you push your mental limits. Experience the thrill of continuous learning and adapt to increasingly complex mathematical scenarios. • Increasing Difficulty: As you progress, face a dynamic and adaptive difficulty curve that keeps you on your toes. From beginner-friendly equations to brain-bending challenges, Sum Serenity ensures a gradual and engaging ascent in difficulty. • Master All Math Operations: Sharpen your proficiency in addition, subtraction, multiplication, and division. Become a well-rounded mathematician as Sum Serenity guides you through mastering all fundamental math operations. • Achieve Math Mastery: Rise to the challenge and master the art of mental maths. Achieve excellence in every operation, conquer levels, and earn your place among the elite few who have truly mastered the mathematical universe.

Screenshots

Mental Math4 screens
Sum Serenity3 screens

Verdict

The call

The clearest difference is update cadence: Mental Math at every 10 days against Sum Serenity's every 3 months. Sum Serenity's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases 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. Mental Math sells 1 one-off in-app purchase and Sum Serenity sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Mental Math ships an update every 10 days, Sum Serenity every 3 months. The most recent releases landed on September 30, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 8 level
Mental Math versus Sum Serenity: the parameters behind the verdict, then further details
ParameterMental MathSum Serenity
PriceFreeFree
Rating4.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 10 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size59 MB33 MB
Age rating9+4+
DeveloperOliver GlaettliBlossom Labs

In-app purchases

1 purchases

Mental Math

One-time1
  • Purchase Mental Calculation$6.99
1 purchases

Sum Serenity

One-time1
  • Serenity Seeker$1.99

Questions

Is Mental Math free?
Mental Math is free to download, with in-app purchases available.
Is Sum Serenity free?
Sum Serenity is free to download, with in-app purchases available.
Do Mental Math or Sum Serenity have ads?
Neither Mental Math nor Sum Serenity shows ads.
Which is updated more often, Mental Math or Sum Serenity?
Mental Math ships an update every 10 days, and Sum Serenity every 3 months. Most recently, Mental Math was updated on September 30, 2026 and Sum Serenity on September 20, 2026.

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