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Calcula: Mental Math Trainer

Calcula: Mental Math Trainer

Daily drills for sharper math

9 ratings
4 reviews
🎮 Games
📚 Education
🎈 Casual
🧩 Puzzle
Free

Details

  • Released
  • Updated
  • April 28, 2020
  • July 6, 2026

Features

Developer

Raj Pandya
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About

This app offers daily mental math drills with various game modes and answer styles. Track your progress with detailed stats, streaks, and achievements. Designed for focus with a clean interface and no ads.

✓Four game modes (Standard, Percent, Squared, Sequence)
✓Three answer styles (Type, Reveal, Multiple Choice)
✓Flexible session lengths and difficulties
✓Streak tracking and leveling system
✓Unlockable achievements
✓Detailed performance statistics
✓Light and dark themes
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What's New in Calcula

2.1

July 6, 2026

A massive 2026 redesign. Calcula has been rebuilt from the ground up with a cleaner look, four full game modes, three answer styles, and a new achievements + streaks system to keep your daily practice on track.

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User reviews

Most RecentHighest RatedLowest Rated

amazing app!

awesome app to keep kids engaged and busy while learning! would give more than 5 stars if i could!
ayushi4173ayushi4173

Love it!

I have been looking for a great app like this that doesn’t have a pro or premium version that they try and push on you. Thank you! Thank you!
Lja476Lja476

Response from developer

Thank you so much for the kind words! Because it’s free, I work on it whenever I get time but I’ll make sure to continue getting new games and features out there. If you have anything specific that you’d like to see, feel free to message 🙌🏼 - Raj

Awesome math app

Loved it. Easy to use and challenging. Lots of fun!!
Modern guy 2000Modern guy 2000

Wonderful app!

Great app to keep the kids busy during quarantine. We have a competition to see who has the most correct in 1 minute. Can see the kids get faster with their mental math the more they practice.
agarwalmayagarwalmay

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FAQ

What are the game modes in Calcula?

Calcula offers four distinct game modes: Standard for basic operations, Percent for calculating percentages, Squared for squares and roots, and Sequence for pattern recognition.

How does Calcula track progress?

Calcula provides detailed statistics on accuracy, average solve time, and lifetime totals. It also features streaks, leveling up, and 12 unlockable achievements to motivate users.

Can I customize my practice sessions in Calcula?

Yes, you can customize sessions by choosing between time-based or solve-based lengths, and selecting from four difficulty levels: Easy, Medium, Hard, and Insane.

Does Calcula have ads?

No, Calcula is designed for focus and does not contain any advertisements. All features and content are available without interruption.

What answer styles are available in Calcula?

Calcula supports three answer styles: Type answers on a keypad, Reveal to self-grade after solving mentally, and Multiple Choice with four options.

Is Calcula suitable for all ages?

With an age rating of 4+, Calcula is suitable for a wide range of users looking to improve their mental math skills, from young students to adults.

How often is Calcula updated?

The latest version, 2.1, was released on 2026-07-06, indicating regular updates to enhance the user experience and functionality.

What devices does Calcula support?

Calcula is currently supported on iPhone devices, offering a focused mental math training experience on the go.