# crewmath. vs CBAT Ready

The clearest difference is in-app purchases: crewmath. at none against CBAT Ready's 11. CBAT Ready's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. CBAT Ready sells 11 in-app purchases, starting at $19.99 per month. crewmath. asks for nothing beyond the download.

crewmath. ships an update every 4 days, CBAT Ready weekly. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | crewmath. | CBAT Ready |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 88.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 83 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Breydon Verryt-Reid](https://appshunter.io/developer/1671484251) | [Corri Jones](https://appshunter.io/developer/1730911718) |

## What reviewers say

### crewmath.

[App page](https://appshunter.io/ios/app/crewmath/id1671484249)

**Features:** macOS Compatibility

**In-app purchases:** none


### CBAT Ready

[App page](https://appshunter.io/ios/app/cbat-ready-aircrew-aptitude/id6477869198)

Prepare for aircrew aptitude tests with realistic practice across all major sections. Includes test guides, leaderboards, and access to a study lounge with successful candidates. Aimed at aspiring pilots, air traffic controllers, and aircrew officers.

**Highlights:** Realistic practice tests, Official test format simulation, Leaderboard with pass indicator, Test guides for each section, Discord study lounge access, Preparation for multiple air forces

**Features:** Family Sharing

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $19.99 | per month |
| CBAT Ready Pro | $19.99 | per month |
| Quarterly | $39.99 | per 3 months |
| Annual | $79.99 | per year |
| OASC Prep (5 Interviews) | $9.99 | one-time |
| SHINE Prep (5 Interviews) | $9.99 | one-time |
| PJFT Full Access | $14.99 | one-time |
| Aircrew Pass Programme Upgrade | $49.99 | one-time |
| Aircrew Pass Programme Upgrade | $69.99 | one-time |
| Lifetime Access | $79.99 | one-time |
| Aircrew Pass Programme | $99.99 | one-time |


## Frequently asked questions

### Is crewmath. free?

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

### Is CBAT Ready free?

CBAT Ready is free to download, with in-app purchases available.

### Do crewmath. or CBAT Ready have ads?

crewmath. shows ads; CBAT Ready does not.

### Which is updated more often, crewmath. or CBAT Ready?

crewmath. ships an update every 4 days, and CBAT Ready weekly. Most recently, crewmath. was updated on October 18, 2026 and CBAT Ready on October 19, 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.*