Comparison

CaseXcel vs Fast Math

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

Head to head
About

CaseXcel

Practice essential consulting interview skills daily in under 10 minutes. Improve mental math, market sizing, structuring, and framework recall with structured, timed drills. Access a reference library of frameworks without fluff.

Highlights
  • Daily mental math drills
  • Timed case math calculations
  • Market sizing estimation practice
  • MECE structuring drills
  • Framework recall flashcards
  • Reference library of frameworks
Features
Read full description

Land your McKinsey, Bain, BCG, or Big 4 consulting offer. CaseXcel trains the 5 mental skills consultants test - every day, in under 10 minutes. Top candidates don't win because they memorize frameworks. They win because they think clearly under pressure. CaseXcel makes that practice fast, structured, and addictive. DAILY TRAINING • Mental Math - multiply, divide, percent, and ratio drills at consulting speed • Case Math - profitability, revenue, and growth calculations under time pressure • Market Sizing - Fermi-style estimation with structured top-down breakdowns • MECE Structuring - multiple-choice drills that build issue trees the right way • Framework Recall - Leitner-style flashcards for Porter's, 4Ps, 3Cs and more REFERENCE LIBRARY A clean, read-only set of consulting frameworks and case patterns to scan between drills. No videos. No fluff. BUILT FOR • MBB candidates (McKinsey, Bain, BCG) • Big 4 strategy (Deloitte, EY, PwC, KPMG) • Tier-2 firms (Accenture, Kearney, Oliver Wyman, Roland Berger) • MBA students prepping consulting recruiting • Anyone facing case-based assessments WHY CASEXCEL • One session a day is free - no signup, no account • Premium unlocks unlimited sessions and the full library • No fake AI feedback. No bloated 'learn' modules. Just reps. Train daily. Think clearly. Land the offer. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Fast Math

Sharpen your mental math skills with quick, timed challenges. Improve focus and accuracy through arithmetic, number sequences, and IQ-style scoring. Sessions are short, fitting easily into any break, and the app works entirely offline.

Highlights
  • Short, timed math sessions (1-5 min)
  • Arithmetic and number sequence challenges
  • IQ-style scoring (accuracy + speed)
  • Offline functionality
  • Progress tracking
  • Distraction-free design
Features
Read full description

Train your brain with fast, fun math — a few minutes a day. Fast Math turns brain training into a game: quick mental math, addictive puzzles like Cross Math and Sudoku, memory challenges, and duels and tournaments against opponents at your level. DAILY WORKOUT • A 3-minute session mixing speed, accuracy and memory • Build a streak and keep your mind sharp every day GAMES FOR EVERY MOOD • Cross Math — fill interlocking equation grids without mistakes • Sudoku — the classic 9×9, simple or hard • Rush 60 — 60 seconds, chain answers for combo points • Survival — 3 lives, questions get faster and faster • Memory & Pairs — remember numbers, match hidden cards • Geometry — train your visual brain COMPETE • 1v1 duels matched to your exact level • 8-player tournaments with a live leaderboard • Duel record, win rate and best finishes in your stats PRACTICE THAT GROWS WITH YOU • 12 question types: mental math, chain calculations, percentages, missing operators, number sequences, patterns, equations, powers & roots, true/false, dominoes and memory • Difficulty adapts as you level up — from Beginner to Legend across 30 levels TRACK YOUR PROGRESS • Score trends, accuracy, streaks and rank points • Every mode counts toward your level FAST MATH PREMIUM • Unlimited daily sessions • All 12 question types • Full stats history • Subscribe weekly or yearly — or pay once with Lifetime Access and unlock everything forever Whether you want to sharpen your mental math, wake your brain up in the morning, train for an IQ test, or just beat your friends — Fast Math makes it fun. Download now and start your streak today. Subscription details Fast Math Premium is available as a weekly or yearly auto-renewing subscription, or as a one-time lifetime purchase. Payment is charged to your Apple Account at confirmation. A subscription renews automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel it in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://focus-reset-b6f40.web.app/privacy-policy

Screenshots

CaseXcel4 screens
Fast Math4 screens

Verdict

The call

The clearest difference is ratings volume: CaseXcel at 3 against Fast Math's 1. CaseXcel also leads on iOS requirement (15.1 vs 17.0). On price, rating, review sentiment and update cadence 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. CaseXcel sells 4 in-app purchases, starting at $9.99 per month and Fast Math sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for CaseXcel against 5.0 for Fast Math. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

CaseXcel ships an update every 11 days, Fast Math every 9 days. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
CaseXcel versus Fast Math: the parameters behind the verdict, then further details
ParameterCaseXcelFast Math
PriceFreeFree
Rating5.0 (3 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings3 — better1
Update frequencyEvery 11 daysEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size61 MB8 MB
Age rating4+4+
DeveloperANIELLO DI POLITOYoussef Ziat

Customer experience

CaseXcel

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Fast Math

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

CaseXcel

Subscriptions2
  • CaseXcel Premium$9.991 Month
  • CaseXcel Annual (Best Value!)3 Days trial$39.991 Year
One-time2
  • CaseXcel Pro Lifetime$59.99
  • CaseXcel Lifetime$59.99
4 purchases

Fast Math

Subscriptions3
  • Fast Math Weekly$1.997 Days
  • Fast Math Monthly$4.991 Month
  • Fast Math Yearly$19.991 Year
One-time1
  • Lifetime Access$29.99

Questions

Is CaseXcel free?
CaseXcel is free to download, with in-app purchases available.
Is Fast Math free?
Fast Math is free to download, with in-app purchases available.
Which has better reviews, CaseXcel or Fast Math?
CaseXcel and Fast Math are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.
Do CaseXcel or Fast Math have ads?
Neither CaseXcel nor Fast Math shows ads.
Which is updated more often, CaseXcel or Fast Math?
CaseXcel ships an update every 11 days, and Fast Math every 9 days. Most recently, CaseXcel was updated on October 15, 2026 and Fast Math on October 3, 2026.

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