# Basic Math Deluxe vs Crew Briefing

The clearest difference is price: Crew Briefing at Free against Basic Math Deluxe's $1.99. Crew Briefing also leads on iOS requirement (16.0 vs 26.0). Basic Math Deluxe's advantage is update cadence (every 3 months vs every 9 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Crew Briefing is free to download; Basic Math Deluxe costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Basic Math Deluxe ships an update every 3 months, Crew Briefing every 9 months. The most recent releases landed on September 25, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Basic Math Deluxe | Crew Briefing |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/basic-math-deluxe/id294770913/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Paid | **Free** |
| Size | 7 MB | 10 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Explorer Technologies](https://appshunter.io/developer/290940392) | [IT International](https://appshunter.io/developer/485823808) |

## What reviewers say

### Basic Math Deluxe

[App page](https://appshunter.io/ios/app/basic-math-deluxe/id294770913)

This educational app offers a versatile math learning experience for multiple ages and skill levels. It features customizable quizzes, different input methods, and progress tracking to support a child's growing mathematical abilities.

**Highlights:** Keypad and MCQ input modes, Right-to-left keypad for multi-line problems, Specific multiplication tables, Mixed operator quizzes, Timer and sound effects, Performance report cards, User account setup

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Crew Briefing

[App page](https://appshunter.io/ios/app/crew-briefing/id517680326)

This app provides essential reference information for cockpit and cabin crew, covering aviation abbreviations, delay codes, and CPDLC codes. It is intended for reference only and not for flight planning.

**Highlights:** 54+ pages of aviation abbreviations, Aircraft-specific abbreviations (A330, A350, B777, etc.), Hundreds of delay codes, CPDLC codes, Reference tables

**In-app purchases:** none


## Frequently asked questions

### Is Basic Math Deluxe free?

Basic Math Deluxe costs $1.99, with no in-app purchases.

### Is Crew Briefing free?

Crew Briefing is free to download, with no in-app purchases.

### Do Basic Math Deluxe or Crew Briefing have ads?

Neither Basic Math Deluxe nor Crew Briefing shows ads.

### Which is updated more often, Basic Math Deluxe or Crew Briefing?

Basic Math Deluxe ships an update every 3 months, and Crew Briefing every 9 months. Most recently, Basic Math Deluxe was updated on September 25, 2026 and Crew Briefing on June 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*