Comparison

Mental Math Trainer vs XClass by XIIID

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

Head to head
About

Mental Math Trainer

Enhance your arithmetic abilities with this app. Practice addition, subtraction, multiplication, and division through engaging games and custom sessions. Track your progress and challenge friends to boost your mental math confidence and speed.

Highlights
  • Addition, subtraction, multiplication, division practice
  • Math Arcade mode with increasing difficulty
  • Customizable practice sessions
  • Memory training games (Find the Pairs)
  • Progress tracking
  • Game Center integration for challenges
Features
Read full description

Practice and improve your math skills with Mental Math Trainer Games - Pure Math. Play and practice just a few minutes a day and keep your mind sharp. Great brain training for you to increase your confidence and speed at mental math. No matter if it's addition, subtraction, multiplication or division, we guarantee you hours of practice with Mental Math Trainer Games - Pure Math. And every time you play it's a different experience. Questions are always random. Great way to train and learn math. With its increasing difficulty, Mental Math Addition Games - Pure Math is suitable for all ages - kids, students, adults. Pure practice and learning. We store your progress, so you can continue where you left. The faster you answer the questions, the more points you get. In Math Arcade mode you get to complete math levels with increasing difficulty starting from the most basic tasks. The levels are divided into 5 main categories - Addition, Subtraction, Multiplication, Division, and Mixed Mode. Math Practice mode in Mental Math Addition Games - Pure Math allows you to create custom practice sessions depending on the operations you wish to train. You can also select custom practice duration, difficulty level, and custom numbers. Math games where you solve math problems and a great way to give your brain a workout and improve your cognitive function. Learning math tables has never been easier. Play Math Tables, repeat a few times a day, and train your memory. Multiplication tables, times tables, brain games, addition games, and more. Find the Pairs (Math Cards) is a math game where you match math cards by number or color until you find all pairs and clear the board. Cool math game to train your memory. Mental Math Addition Games - Pure Math supports Game Center, so you can compare your score to your friends' and even challenge them to see who's doing better in Math. Some levels in the app are free to play and you can unlock all features and levels (1200+) by upgrading to PRO. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

XClass by XIIID

Features
Read full description

XClass is an AI-powered learning platform that helps users learn more effectively through personalized tutoring, automated assessments, and data-driven learning insights. Designed for students, professionals, and lifelong learners, XClass provides structured learning environments where users can create customized classes, interact with AI tutors, complete assessments, and track their progress over time. Key Features AI Class Generation and Management • Create structured learning environments for specific subjects and goals • Generate AI-assisted lesson plans and study materials • Interact with AI tutors for real-time learning support AI-Powered Assessments • Generate quizzes automatically from learning materials • Receive instant scoring and explanations • Evaluate knowledge through multiple assessment formats • Reinforce learning through continuous feedback Learning Rewards System (XPoint) • Earn XPoints through learning activities and assessments • Track engagement and learning milestones • Encourage consistent participation and study habits Learning Analytics • Monitor learning progress through detailed performance reports • Identify strengths and areas for improvement • Access historical learning records and assessment results Built for Modern Learning XClass combines artificial intelligence with educational technology to simplify content creation, improve learning efficiency, and provide personalized academic support. Whether preparing for exams, developing professional skills, or exploring new subjects, users can access learning resources and AI-powered assistance through a single platform. The platform is designed to support continuous learning across multiple devices, enabling users to study anytime and anywhere while maintaining visibility into their educational progress.

Screenshots

Mental Math Trainer4 screens
XClass by XIIID4 screens

Verdict

The call

The clearest difference is in-app purchases: XClass by XIIID at none against Mental Math Trainer's 9. 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. Mental Math Trainer sells 7 in-app purchases, starting at $2.99 per month. XClass by XIIID asks for nothing beyond the download.

UpkeepUpdate frequency

Mental Math Trainer ships an update fortnightly, XClass by XIIID every 9 days. The most recent releases landed on October 26, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 9 level
Mental Math Trainer versus XClass by XIIID: the parameters behind the verdict, then further details
ParameterMental Math TrainerXClass by XIIID
PriceFreeFree
Rating4.5 (233 ratings) — better—
Positive reviews57.8% of reviews—
Number of ratings233 — better—
Update frequencyFortnightlyEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size50 MB66 MB
Age rating4+4+
DeveloperStoyan HristovKulucky Rangers Inc.

Bugs and requests

Mental Math Trainer

Reported bugs

8 issues
  • App crashes or doesn't open
  • Purchases not unlocking features
  • In-app purchase issues
  • Timer continues when paused
  • Drag response not registering input
Show 3 more
  • Division section glitches
  • App stops working after updates
  • Purchased content locked again

Requested features

10 requests
  • Option to choose keypad style
  • More difficult levels
  • Infinite or custom exercise mode
  • Dark mode support
  • Landscape mode support
Show 5 more
  • Add 6-digit numbers
  • Streak feature (like Duolingo)
  • Option to choose difficulty level
  • Add more levels
  • Sandbox mode for custom questions

XClass by XIIID

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Mental Math Trainer

Subscriptions6
  • Unlimited Access$2.991 Month
  • Unlimited Access3 Days trial$2.997 Days
  • Unlimited Access7 Days trial2 variants$3.991 Month
Show 3 more
  • Unlimited Access$9.991 Year
  • Unlimited Access7 Days trial$12.991 Year
  • Unlimited Access2 variants$14.991 Year
One-time1
  • Unlock Everything$17.99
None

XClass by XIIID

No in-app purchases

Questions

Is Mental Math Trainer free?
Mental Math Trainer is free to download, with in-app purchases available.
Is XClass by XIIID free?
XClass by XIIID is free to download, with no in-app purchases.
Do Mental Math Trainer or XClass by XIIID have ads?
Neither Mental Math Trainer nor XClass by XIIID shows ads.
Which is updated more often, Mental Math Trainer or XClass by XIIID?
Mental Math Trainer ships an update fortnightly, and XClass by XIIID every 9 days. Most recently, Mental Math Trainer was updated on October 26, 2026 and XClass by XIIID on October 7, 2026.

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