# B737 FMS Trainer PRO vs Embraer 170/190 Tech Question

The clearest difference is update cadence: Embraer 170/190 Tech Question at every 11 days against B737 FMS Trainer PRO's monthly. Embraer 170/190 Tech Question also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. B737 FMS Trainer PRO sells 1 in-app purchase, starting at $34.99 per month and Embraer 170/190 Tech Question sells 3 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

B737 FMS Trainer PRO ships an update monthly, Embraer 170/190 Tech Question every 11 days. Both last shipped on November 4, 2026.

## The numbers

| Metric | B737 FMS Trainer PRO | Embraer 170/190 Tech Question |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Size | 625 MB | 11 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heading 365](https://appshunter.io/developer/1609857583) | [NexCode Systems LLC](https://appshunter.io/developer/1866619371) |

## What reviewers say

### B737 FMS Trainer PRO

[App page](https://appshunter.io/ios/app/b737-fms-trainer-pro/id6740525381)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month subscription | $34.99 | per month |


### Embraer 170/190 Tech Question

[App page](https://appshunter.io/ios/app/embraer-170190-tech-question/id6804485921)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro x1 | $11.99 | per month |
| Pro x3 | $21.99 | per 3 months |
| Pro x6 | $29.99 | per 6 months |


## Frequently asked questions

### Is B737 FMS Trainer PRO free?

B737 FMS Trainer PRO is free to download, with in-app purchases available.

### Is Embraer 170/190 Tech Question free?

Embraer 170/190 Tech Question is free to download, with in-app purchases available.

### Do B737 FMS Trainer PRO or Embraer 170/190 Tech Question have ads?

Neither B737 FMS Trainer PRO nor Embraer 170/190 Tech Question shows ads.

### Which is updated more often, B737 FMS Trainer PRO or Embraer 170/190 Tech Question?

B737 FMS Trainer PRO ships an update monthly, and Embraer 170/190 Tech Question every 11 days. Most recently, B737 FMS Trainer PRO was updated on November 4, 2026 and Embraer 170/190 Tech Question on November 4, 2026.

---

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