# crewmath. — Become brilliant at MDR

> Become brilliant at MDR (iPhone/iPad app by Breydon Verryt-Reid.)

- Source: https://appshunter.io/ios/app/crewmath/id1671484249 (this page in markdown: same URL + `.md`)
- Developer: [Breydon Verryt-Reid](https://appshunter.io/developer/1671484251)
- Category: Education, Entertainment
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 3 MB
- Languages: English
- Released: 2023-02-14
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/crewmath/id1671484249/reviews.md

## What is crewmath.?

crewmath. aims to help you improve your mental dead reckoning skills by simplifying the process for you to generate questions and check answers, without the need to write out different questions which can take away hours from your practice.

crewmath. helps you to practice:
-Reciprocals
-Product
-Fractions
-Ratios
-Non-Integer Multiplication
-Non-Integer Division

Give it a try today and see what difference it makes to your study schedule!


## Version history (last 5 releases)

### 1.5.2 — 2024-01-21

Quality of life upgrades, making the app smoother for you

### 1.5.1 — 2023-11-07

added statistics to make your practice smarter.

### 1.5 — 2023-11-06

added statistics to make your practice smarter.

### 1.4 — 2023-04-05

We've doubled the number of questions so you can get more practice in!

### 1.3 — 2023-02-21

Squashed some more bugs and added keyboard input so you can answer questions with decimal answers!

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## More apps by Breydon Verryt-Reid

- [GoalKeepr](https://appshunter.io/ios/app/goalkeepr/id6689503747)

All apps by Breydon Verryt-Reid: https://appshunter.io/developer/1671484251

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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 2026-05-17.*