Large Math Drill vs Mental Maths Drill
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Large Math Drill
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Train Your Brain to Think in Billions. ■ Can your mental math keep up with high-stakes business? Most people freeze when they see numbers like a hundred million or a few trillion—but in boardrooms, pitch decks, and consulting interviews, that's just the starting point. If you can’t quickly estimate and compute large figures on the fly, you’re not just slow—you’re forgettable. This app gives you the edge: a powerful training ground for mastering the kind of numeric fluency that quietly separates decision-makers from everyone else. ■ What does the app do? It’s laser-focused: Choose your unit: Thousand, Million, Billion, Trillion Customize the number types: powers of 10, multiples of 5 Select operation types: Addition, Division, and more Tap Start and answer lightning-fast using a calculator-style interface The questions appear at the top, and your ability to instantly recognize, process, and act on large numbers is tested in real-time. ■ Track your progress, in numbers—not feelings. Forget vague notions of “I think I’m improving.” This app gives you hard data: Daily accuracy and time-per-question charts Mistakes are saved and recycled into focused review drills Compare historical stats to watch both speed and accuracy evolve ■ Why does it work? Forces your working memory to confront upper limits Strengthens mental arithmetic under pressure Encourages structural thinking even in a multiple-choice format ■ Who is this for? Aspiring consultants, analysts, and investment bankers Founders, execs, and anyone making real decisions with real numbers Students prepping for standardized tests, logic interviews, or competitive math Lifelong learners training for cognitive performance and sharper thinking ■ Use it for interview prep, case studies, quant drills, and more "Estimate the future market for a trillion-dollar industry." "Quickly calculate a rough ROI under time pressure." If those questions make you hesitate, you're not ready. This app builds the intuition and reflexes to handle such questions without blinking. It’s a secret weapon for case interviews, mental math assessments, business exams, and anywhere sharp numeric instincts are non-negotiable. ■ Other features Full English unit support: thousand, million, billion, trillion, quadrillion Clean, intuitive interface Customizable sound, color themes, and answer modes ■ Numbers Don’t Lie. Neither Should Your Brain. This isn’t just a calculator. It’s a mental transformation tool. People who speak the language of large numbers tend to get more respect, more responsibility, and more results. So don’t get left behind. Start training today—even one minute a day rewires the way you think.
Mental Maths Drill
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Mental Maths Drill is the fastest way to sharpen your arithmetic — no pencil, no calculator, just you and the numbers. Whether you're a student preparing for exams, or someone who wants to think faster, Mental Maths Drill gives you the tools to improve at your own pace. 7 CATEGORIES Practice Addition, Subtraction, Multiplication, Division, Negative Numbers, Percentages, and Order of Operations (BODMAS). Each category is carefully designed to build real-world number sense. THREE DIFFICULTY LEVELS Start with single digits, work up to double and triple digit challenges. Every level feels meaningfully harder — not just bigger numbers, but sharper thinking required. TIMED DRILLS Race against the clock in focused sessions. All scores are normalised to answers per minute, so every session is comparable regardless of length. TRACK YOUR PROGRESS Personal bests are saved for every category and difficulty combination. Beat your record and know exactly where you're improving — and where to focus next. MISTAKE REVIEW Every wrong answer is logged. Review your mistakes at the end of each session so you learn from them, not just move past them. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Verdict
The clearest difference is iOS requirement: Large Math Drill at 16.0 against Mental Maths Drill's 18.6. On price, ads, in-app purchases 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
Both are free to download. Large Math Drill sells 1 one-off in-app purchase and Mental Maths Drill sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Large Math Drill | Mental Maths Drill |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Weekly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 18 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuto Inagaki | Farid Ahmad |
In-app purchases
Large Math Drill
- プレミアム会員$2.99
Mental Maths Drill
- Monthly$0.991 Month
- 6 Months$4.996 Months
Questions
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