# Calcula: Mental Math Trainer — Daily drills for sharper math > Daily mental math trainer with customizable drills and progress tracking. (iPhone/iPad app by Raj Pandya.) - Source: https://appshunter.io/ios/app/calcula-mental-math-trainer/id1510492911 (this page in markdown: same URL + `.md`) - Developer: [Raj Pandya](https://appshunter.io/developer/1510492910) - Category: Education, Games, Casual, Puzzle - Price: Free - Rating: 5.00/5 from 9 App Store ratings · 4 written reviews indexed - Age rating: 4+ - Requires: iOS 26.0 · 6 MB - Languages: American English - Released: 2020-04-28 - Data updated: 2026-07-24 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/calcula-mental-math-trainer/id1510492911/reviews.md ## What is Calcula? Calcula is a focused mental math trainer built for daily practice. No ads, no clutter — just clean drills that get sharper the more you use them. Pick a mode, pick a length, and go. Five minutes a day is enough to feel the difference. FOUR GAME MODES • Standard — addition, subtraction, multiplication, division. Toggle on whichever you want to drill. • Percent — find X% of a number. Built for tips, discounts, and quick estimates. • Squared — squares, cubes, and square roots. • Sequence — spot the pattern and predict what comes next. THREE ANSWER STYLES • Type — punch the answer on a clean keypad. • Reveal — solve in your head, then self-grade. • Multiple Choice — pick from four options. Switch between them anytime to match how you want to practice. FLEXIBLE SESSIONS Choose time-based (30s, 1m, 3m, 5m, or unlimited) or solve-based (10, 20, 40, 100, or unlimited) sessions. Quick warm-up or long focus block — your call. FOUR DIFFICULTIES Easy, Medium, Hard, Insane. The numbers scale with you. Insane is exactly what it sounds like. STREAKS, LEVELS, AND AWARDS • Set a daily goal and build a streak. • Earn XP for every correct answer and level up. • Unlock 12 achievements — from First Steps (100 solved) to Iron Will (a 30-day streak) to Insane Master. DETAILED STATS See your accuracy, average solve time, lifetime totals, per-operation breakdowns, and best runs. Watch yourself get faster. DESIGNED FOR FOCUS • Beautiful light and dark themes built around a single accent color. • No accounts, no ads, no tracking, no notifications you didn't ask for. • Everything stays on your device. Calcula is for anyone who wants to keep their head sharp — students prepping for tests, professionals who do math on the fly, parents brushing up alongside their kids, and anyone who just enjoys a clean mental workout. ## Key features - 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 ## Recent user reviews (4 of 4) All indexed reviews: https://appshunter.io/ios/app/calcula-mental-math-trainer/id1510492911/reviews.md ### 5/5 — amazing app! *2020-08-11* awesome app to keep kids engaged and busy while learning! would give more than 5 stars if i could! ### 5/5 — Love it! *2020-07-07* 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! **Developer response:** 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 ### 5/5 — Awesome math app *2020-05-14* Loved it. Easy to use and challenging. Lots of fun!! ### 5/5 — Wonderful app! *2020-04-30* 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. ## Frequently asked questions about Calcula ### 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. ## Version history (last 5 releases) ### 2.1 — 2026-07-06 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. ### 1.2 — 2020-05-19 Are you staying safe at home? We've added two new game modes to help you stay busy! - Squared: proven to improve your math exponentially - Percent: 99% of users believe this game mode is a must - Can someone turn off the lights? Ok! Dark mode added - Dedicated statistics page with lots of numbers - Another icon update? Last time, I promise - Improved game configurations Thank you for the support! Keep the feedback coming <3 ### 1.1.1 — 2020-05-02 Keep the amazing feedback coming!  What's new in this update: - A couple fancy buttons - Bug fixes on statistics page - Minor UI improvements for consistency ### 1.1 — 2020-04-30 We've received amazing feedback over the last couple days. What's new in this update: - Division added! - Lowered required iOS version to 13.0 - Fixed a game timer bug - Minor UI improvements ### 1.0 — 2020-04-28 No release notes. ## More apps by Raj Pandya - [One Punch Daily](https://appshunter.io/ios/app/one-punch-daily/id6776052651) All apps by Raj Pandya: https://appshunter.io/developer/1510492910 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-24.*