Comparison

Mental Math Trainer vs The Einstein Archive

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

The Einstein Archive

Explore the life and scientific contributions of Albert Einstein through an interactive timeline, detailed maps, and high-resolution images of his work. This app offers a comprehensive, offline experience without requiring an account or internet connection.

Highlights
  • Interactive timeline of life and discoveries
  • Local search functionality
  • Map view of significant locations
  • Deep zoom image viewer
  • Save favorite content
  • Offline and private operation
Features
Read full description

Albert Einstein by Airgapp is a self-contained journey through the life and mind of the physicist who revolutionized our understanding of space, time, and energy. Everything lives inside the app. Open it anywhere without an account or connection, and it works exactly the same. Explore Einstein's life from his birth in 1879 in Württemberg through his patent office years in Zurich, his rise to prominence with relativity, his immigration to America, his role in the atomic age, and his final years at Princeton. Discover the breakthroughs that changed science: special relativity, general relativity, the photoelectric effect, and the equation that became synonymous with his name. Features: Interactive timeline of Einstein's life and discoveries. Local search across the entire collection. Map view connecting Einstein to the places that shaped him. Deep zoom image viewer for letters, equations, and photographs. Favorites to save what matters to you. Completely offline and private. Your data never leaves your device.

Screenshots

Mental Math Trainer4 screens
The Einstein Archive4 screens

Verdict

The call

The clearest difference is in-app purchases: The Einstein Archive at none against Mental Math Trainer's 9. The Einstein Archive also leads on rating (5.0 vs 4.5). Mental Math Trainer's advantage is ratings volume (233 vs 1). On price, ads, device support and iOS requirement 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. The Einstein Archive asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

The Einstein Archive holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Mental Math Trainer has 233 ratings behind it against 1, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
Mental Math Trainer versus The Einstein Archive: the parameters behind the verdict, then further details
ParameterMental Math TrainerThe Einstein Archive
PriceFreeFree
Rating4.5 (233 ratings)5.0 (1 ratings) — better
Positive reviews57.8% of reviews—
Number of ratings233 — better1
Update frequencyFortnightly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size50 MB48 MB
Age rating4+4+
DeveloperStoyan HristovFelicity Enterprises LLC

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

The Einstein Archive

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

The Einstein Archive

No in-app purchases

Questions

Is Mental Math Trainer free?
Mental Math Trainer is free to download, with in-app purchases available.
Is The Einstein Archive free?
The Einstein Archive is free to download, with no in-app purchases.
Which has better reviews, Mental Math Trainer or The Einstein Archive?
The Einstein Archive is rated higher. Mental Math Trainer averages 4.5 out of 5 from 233 ratings, while The Einstein Archive averages 5.0 from 1 ratings.
Do Mental Math Trainer or The Einstein Archive have ads?
Neither Mental Math Trainer nor The Einstein Archive shows ads.

Other comparisons