# AirCo365 vs B737 Maintenance Mastermind

The clearest difference is in-app purchases: AirCo365 at none against B737 Maintenance Mastermind's 4. AirCo365 also leads on iOS requirement (16.0 vs 18.0). B737 Maintenance Mastermind's advantage is update cadence (every 3 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. B737 Maintenance Mastermind sells 4 in-app purchases, starting at $8.99 per year. AirCo365 asks for nothing beyond the download.

AirCo365 ships an update every 5 months, B737 Maintenance Mastermind every 3 days. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | AirCo365 | B737 Maintenance Mastermind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Size | 32 MB | 10 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Amir Inbar](https://appshunter.io/developer/1233996932) | [Nemanja Dimitrijevic](https://appshunter.io/developer/1732443666) |

## What reviewers say

### AirCo365

[App page](https://appshunter.io/ios/app/airco365/id1233996933)

**In-app purchases:** none


### B737 Maintenance Mastermind

[App page](https://appshunter.io/ios/app/b737-maintenance-mastermind/id6819862964)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $8.99 | per year |
| Lights & CB Lifetime | $6.99 | one-time |
| Lifetime Upgrade | $12.99 | one-time |
| Premium Lifetime | $17.00 | one-time |


## Frequently asked questions

### Is AirCo365 free?

AirCo365 is free to download, with no in-app purchases.

### Is B737 Maintenance Mastermind free?

B737 Maintenance Mastermind is free to download, with in-app purchases available.

### Do AirCo365 or B737 Maintenance Mastermind have ads?

Neither AirCo365 nor B737 Maintenance Mastermind shows ads.

### Which is updated more often, AirCo365 or B737 Maintenance Mastermind?

AirCo365 ships an update every 5 months, and B737 Maintenance Mastermind every 3 days. Most recently, AirCo365 was updated on November 2, 2026 and B737 Maintenance Mastermind on November 6, 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.*