# Pilot Flows Training vs 737 Systems Study

The clearest difference is update cadence: 737 Systems Study at every 3 days against Pilot Flows Training's every 2 weeks. Pilot Flows Training's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pilot Flows Training sells 3 in-app purchases, starting at $11.99 per month and 737 Systems Study sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Pilot Flows Training ships an update every 2 weeks, 737 Systems Study every 3 days. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Pilot Flows Training | 737 Systems Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 50 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NexCode Systems LLC](https://appshunter.io/developer/1866619371) | [VAROL AKSOY](https://appshunter.io/developer/1441988991) |

## What reviewers say

### Pilot Flows Training

[App page](https://appshunter.io/ios/app/pilot-flows-training/id6780922184)

**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 |


### 737 Systems Study

[App page](https://appshunter.io/ios/app/737-systems-study-ng-and-max/id6817126151)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is Pilot Flows Training free?

Pilot Flows Training is free to download, with in-app purchases available.

### Is 737 Systems Study free?

737 Systems Study is free to download, with in-app purchases available.

### Do Pilot Flows Training or 737 Systems Study have ads?

Neither Pilot Flows Training nor 737 Systems Study shows ads.

### Which is updated more often, Pilot Flows Training or 737 Systems Study?

Pilot Flows Training ships an update every 2 weeks, and 737 Systems Study every 3 days. Most recently, Pilot Flows Training was updated on October 30, 2026 and 737 Systems Study on October 29, 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.*