Comparison

Mental Math vs QuantDojo

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

Head to head
About

Mental Math

Enhance your mental math skills for consulting, investment banking, and quant interviews. Practice realistic drills, track your progress with streaks, and build confidence with adaptive exercises and exam-style sessions.

Highlights
  • Adaptive drills
  • Case math chains
  • Estimation sandbox
  • Lightning rounds
  • Interview mode
  • Exam-style sessions
  • Career-specific prep
Features
Read full description

Sharpen mental math for consulting, IB, and quant interviews. Practice fast, realistic drills with estimation‑friendly scoring, track progress with streaks and XP, and build confidence under pressure. Highlights: - Adaptive drills, case math chains, and estimation sandbox - Lightning rounds, interview mode, and exam‑style sessions - Career‑specific prep for Consulting, IB, and Quant The career-specific content requires a subscription to access, one subscription allows for the use of ANY feature of the app. Privacy Policy: https://marble-liquid-091.notion.site/Heat-Studio-LLC-Privacy-Policy-28652966b06a807282efed41b058f5dd Terms of Service: https://marble-liquid-091.notion.site/Heat-Studio-LLC-Terms-of-Service-28652966b06a80028c0deeca197b4912?source=copy_link

About

QuantDojo

Features
Read full description

QuantDojo is the only app built specifically for quant finance interview prep. 1,300+ brain teasers and growing, covering every question type you'll face at top firms. WHAT YOU GET • 1,300+ brain teasers across Probability, Statistics, Combinatorics, Logic, and Game Theory • Questions tagged by firm — Jane Street, Citadel, Two Sigma, DE Shaw, Optiver, SIG, HRT, IMC, and more • 3 progressive hints per question to guide your thinking • Full step-by-step solutions with mathematical explanations • Spaced repetition to lock in what you've learned • Track your accuracy by category and difficulty HOW IT WORKS Pick a category, difficulty, or target firm and start solving. Reveal hints when you're stuck. Check the full solution when you're ready. Mark questions as solved or send them to your review queue. QuantDojo tracks your weak spots and resurfaces questions at the right intervals. WHO IT'S FOR • Students prepping for quant interviews • Career switchers moving into quant finance • Working professionals staying sharp PRICING Subscribe monthly or annually, or get lifetime access with a single purchase. Free users can preview 3 full solutions before subscribing. Privacy: All your data stays on your device. We collect nothing. Terms of Use: https://elilindt.github.io/quantdojo-site/terms.html Privacy Policy: https://elilindt.github.io/quantdojo-site/privacy.html

Screenshots

Mental Math4 screens
QuantDojo4 screens

Verdict

The call

The clearest difference is iOS requirement: Mental Math at 15.1 against QuantDojo's 17.0. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Mental Math sells 3 in-app purchases, starting at $2.99 per 7 days and QuantDojo sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 7 level
Mental Math versus QuantDojo: the parameters behind the verdict, then further details
ParameterMental MathQuantDojo
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size56 MB3 MB
Age rating4+4+
DeveloperHeat Studio LLCElias Lindbergs

In-app purchases

3 purchases

Mental Math

Subscriptions3
  • Career Pass - Weekly3 Days trial$2.997 Days
  • Career Pass - Monthly$7.991 Month
  • Career Pass - Annual$24.991 Year
3 purchases

QuantDojo

Subscriptions2
  • Monthly$12.991 Month
  • Annual$79.991 Year
One-time1
  • Lifetime Access$199.99

Questions

Is Mental Math free?
Mental Math is free to download, with in-app purchases available.
Is QuantDojo free?
QuantDojo is free to download, with in-app purchases available.
Do Mental Math or QuantDojo have ads?
Neither Mental Math nor QuantDojo shows ads.

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