# MindMath Pro: Quant Interview — Trading & Consulting Test Prep

> Trading & Consulting Test Prep (iPhone/iPad app by Catrin Donnelly.)

- Source: https://appshunter.io/ios/app/mindmath-pro-quant-interview/id6758163744 (this page in markdown: same URL + `.md`)
- Developer: [Catrin Donnelly](https://appshunter.io/developer/1871279553)
- Category: Education, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 29 MB
- Languages: American English
- Released: 2026-02-23
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/mindmath-pro-quant-interview/id6758163744/reviews.md

## What is MindMath Pro?

Train for the real quant and consulting interview tests, then keep going into the interview that follows them.

MindMath Pro rebuilds the actual numerical tests firms use, with their real timing and scoring. Run the Optiver 80-in-8, the Flow Traders 75-in-10 and the IMC 24-in-18, then see how your score compares with everyone else who took the same test.

The online test is only the first round. Round 2 adds 40 probability and expected value questions from the interview that comes after it, covering expected value, waiting times, conditional probability, counting and the classics that come up again and again. They are untimed, because they are meant to be thought about, and each one comes with the full working rather than just the answer.

Free to start, no account needed:

Speed Benchmark. Two minutes, as many as you can, the standard mental maths speed score.
One free run of each firm simulator (Optiver, Flow Traders, IMC).
The first three Round 2 questions.
Number sense drills for percentages, fractions, decimals, sequences and case math.
Smart Practice, plus stats that find your weakest operation and send you back to it.
An interview countdown plan from today to test day, and on into Round 2 prep afterwards.

Pro unlocks the reps:

Unlimited runs of every firm simulator.
All 40 Round 2 questions with full worked solutions.
Hard and Quant difficulty.
The full tricks library and advanced analytics: average answer time, weakest times-tables and one-tap weakness drills.
Unlimited daily volume. Free is capped at 30 problems and 3 sessions a day.

Seeing a question once does not make you faster, but doing five hundred does. The free app shows you the gap. Pro is how you close it.

Built for candidates sitting tests at Jane Street, Optiver, SIG, Citadel, Flow Traders, IMC, McKinsey, Bain and BCG.

Pricing: a weekly plan with a 3-day free trial, a monthly plan, and a one-time Interview Crunch pass that unlocks everything for 30 days with no auto-renew, for when your test is close.

Subscription details: MindMath Pro offers auto-renewable weekly and monthly subscriptions, plus a one-time 30-day Interview Crunch pass which does not auto-renew. Prices are shown in the app. A 3-day free trial is available on the weekly plan for new subscribers. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and your Apple ID is charged for renewal within 24 hours of the period ending. You can manage or cancel anytime in your App Store account settings.

Privacy Policy: https://catrin12.notion.site/Privacy-Policy-MindMath-Pro-2f0e07388cb0801e91daddb09e5f8347?pvs=74
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| Weekly | $3.99 | per 7 days |
| Annual | $39.99 | per year |



## Version history (last 5 releases)

### 2.3 — 2026-08-23

The online test is only the first round. What comes after it is an interview built on probability and expected value, and there are now 40 of those questions in the app. They are untimed, because they are meant to be thought about, and each one comes with the full working so you can see the method rather than just the answer.

Your interview plan no longer stops on test day. It carries on into Round 2 prep.

Everything is quicker too. The pause between answering a question and getting the next one was longer than it needed to be, so it is much shorter now, and you can tap the question to skip past the answer flash. The firm simulators now run at the speed of the real tests, which they did not quite do before.

One side effect of that: because the simulators are faster, percentile comparisons start again from scratch, so you will see "building the dataset" for a while until enough new scores come in. Your own best scores are not affected.

### 2.2 — 2026-07-27

NEW: the Interview Crunch pass. 30 days of everything in Pro for one payment. No subscription, nothing to cancel, built for the interview run-up.

The weekly plan now starts with a 3-day free trial, so you can train at full intensity before paying anything.

Plus a refreshed upgrade screen and small fixes.

### 2.1.0 — 2026-06-18

Three firm test simulators are here: the Optiver 80-in-8, Flow Traders 75-in-10, and IMC 24-in-18, each with the real timing, negative marking, and the pass marks candidates report.

Finish any test and you now see your percentile against everyone else who took it. There's a new free 2-minute Speed Benchmark for a like-for-like speed score, plus number sense drills for percentages, fractions, decimals, sequences, and case math.

New weakness analytics show your slowest answers and weakest times-tables, with one-tap drills to fix them. Set a test date and the new countdown plan ramps you up to it.

Everything runs faster and steadier, and a handful of crashes are fixed.

### 2.0 — 2026-05-06

Onboarding flow with personalised 14-day plans for quant, consulting, GMAT, and brain training.

The Tricks Library: 27 mental math shortcuts, shown after a wrong answer and as a Pro browseable reference.

Custom number pad with auto-submit. Pause mid-session. Skip a problem you don't know.

Daily streak with weekly streak freezes for Pro users. Practice reminders at the time you choose. Share your session results.

Per-operation accuracy tracking surfaces your weakest area on the home screen.

New: 30-day Interview Crunch pass for users who don't want a subscription.

### 1.0 — 2026-02-23

No release notes.

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## More apps by Catrin Donnelly

- [Reign: Perimenopause Tracker](https://appshunter.io/ios/app/reign-perimenopause-tracker/id6786011299)

All apps by Catrin Donnelly: https://appshunter.io/developer/1871279553

## Related topics

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*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 2026-09-01.*