Comparison

Smart Mental Math vs Gemius

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

Head to head
About

Smart Mental Math

Improve your arithmetic skills with an AI coach that adapts to your learning pace. Master multiplication, division, percentages, and more through interactive lessons and targeted practice sessions. Learn practical calculation strategies to boost speed and accuracy in everyday situations.

Highlights
  • Adaptive AI coaching
  • Learn calculation strategies
  • Practice core arithmetic skills
  • Focus on weak spots
  • Progress tracking
  • Short, high-impact sessions
Features
Read full description

Stop doing random drills. Start training smarter with an adaptive AI coach that helps you improve step by step. Smart Mental Math gives you full access through a low-cost one-time purchase — no subscription required. Smart Mental Math is more than a drill app. It combines focused mental math training with a dedicated learning area that teaches helpful calculation strategies in a simple, practical way. Inside the app, you can train core arithmetic skills like times tables, natural numbers, decimals, and money, while also exploring useful mental math tricks that help you calculate faster in everyday situations. The Learn section is designed to make mental math easier to understand and easier to remember. It includes clear strategy cards, simple examples, and quick checks that help you learn techniques for: - multiplication - division - addition and subtraction - square numbers and roots - percentages and fractions Instead of only repeating problems, you also learn how to think through them more efficiently. That means you can build speed, improve accuracy, and develop stronger number sense over time. Smart Mental Math adapts to your performance, adjusts challenge as you improve, and helps you stay focused on the areas that need the most work. Whether you want faster multiplication, sharper division, better percentage intuition, or stronger daily calculation speed, the app gives you short, high-impact sessions that fit into your day. What makes Smart Mental Math different: - Adaptive training that responds to your level - A dedicated Learn area with mental math tricks and strategy-based explanations - Quick checks and guided examples to reinforce what you learn - Smart progression based on speed and accuracy - Focused practice for weak spots and daily improvement - Clear progress tracking that makes growth visible Great for students, parents, ambitious learners, and anyone who wants to think faster with numbers. Train faster. Learn smarter. Make mental math smart.

About

Gemius

Features
Read full description

Gemius turns any topic into a personalized powered course in seconds. Simply describe what you want to learn, whether it's Python, piano, marketing, or anything in between, and Gemius builds a complete course with structured chapters, bite-sized lessons, and quiz questions tailored just for you. LEARN YOUR WAY • AI generates a full course from any topic you choose • 8 structured chapters with 40 lessons per course • Quiz questions to test and reinforce your knowledge • Beginner, Intermediate, and Advanced difficulty levels STAY MOTIVATED EVERY DAY • Daily Bounties keep you engaged with fresh challenges • Earn XP and coins as you complete lessons • Build your streak by checking in every day • Level up from Newcomer all the way to Immortal COMPETE AND ACHIEVE • Climb the global leaderboard and compete with other learners • Unlock trophies as you hit milestones • Track your progress with a detailed stats dashboard • View your learning activity log and course history YOUR PERSONAL QUEST LOG • All your courses in one place • See progress at a glance with visual progress bars • Pick up right where you left off Gemius is for curious minds who want to learn anything, at any time, on their own terms. Whether you have 5 minutes or 5 hours, there's always a lesson waiting for you. Start your first quest today.

Screenshots

Smart Mental Math4 screens
Gemius4 screens

Verdict

The call

The clearest difference is in-app purchases: Gemius at none against Smart Mental Math's 2. Smart Mental Math's advantage is iOS requirement (15.0 vs 17.0). On price, 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. Smart Mental Math sells 2 one-off in-app purchases. Gemius asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Smart Mental Math versus Gemius: the parameters behind the verdict, then further details
ParameterSmart Mental MathGemius
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size24 MB53 MB
Age rating4+4+
DeveloperMaximilian DanilievEldar Terzic

In-app purchases

2 purchases

Smart Mental Math

One-time2
  • 3-day TrialFree
  • Lifetime Unlock$3.99
None

Gemius

No in-app purchases

Questions

Is Smart Mental Math free?
Smart Mental Math is free to download, with in-app purchases available.
Is Gemius free?
Gemius is free to download, with no in-app purchases.
Do Smart Mental Math or Gemius have ads?
Neither Smart Mental Math nor Gemius shows ads.

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