# Aviolearn vs 737 Systems Study

Aviolearn and 737 Systems Study are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Aviolearn sells 2 in-app purchases, starting at $5.99 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.

## The numbers

| Metric | Aviolearn | 737 Systems Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 9 MB | 6 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FURKAN ODABAS](https://appshunter.io/developer/1868241931) | [VAROL AKSOY](https://appshunter.io/developer/1441988991) |

## What reviewers say

### Aviolearn

[App page](https://appshunter.io/ios/app/aviolearn/id6758911835)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $5.99 | per month |
| Yearly Subscription | $49.99 | per year |


### 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 Aviolearn free?

Aviolearn 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 Aviolearn or 737 Systems Study have ads?

Neither Aviolearn nor 737 Systems Study shows ads.

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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.*