# B737CL Questions vs 320 EXPLAINAIR

The clearest difference is price: 320 EXPLAINAIR at Free against B737CL Questions's $3.99. 320 EXPLAINAIR also leads on update cadence (every 11 days vs every 2 months). B737CL Questions's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

320 EXPLAINAIR is free to download; B737CL Questions costs $3.99 up front. 320 EXPLAINAIR sells 1 in-app purchase, starting at $59.99 per year. B737CL Questions asks for nothing beyond the download.

B737CL Questions ships an update every 2 months, 320 EXPLAINAIR every 11 days. The most recent releases landed on October 29, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | B737CL Questions | 320 EXPLAINAIR |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[1.8 (5 ratings)](https://appshunter.io/ios/app/320-explainair/id6738329093/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | — | Subscription |
| Size | 13 MB | 87 MB |
| Requires iOS | **13.1** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Pinckard](https://appshunter.io/developer/1506443725) | [ExplainAir](https://appshunter.io/developer/1779040146) |

## What reviewers say

### B737CL Questions

[App page](https://appshunter.io/ios/app/b737cl-questions/id1532988768)

**Features:** macOS Compatibility

**In-app purchases:** none


### 320 EXPLAINAIR

[App page](https://appshunter.io/ios/app/320-explainair/id6738329093)

Master aircraft procedures with interactive explanations, cockpit videos, and smart visuals. Train anywhere, even offline, to prepare for type ratings or command upgrades. Developed by experienced pilots and instructors for efficient learning.

**Highlights:** Interactive procedure explanations, Cockpit videos, Smart visuals, Offline training capability, Developed by pilots and instructors

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ExplainAir Yearly Plan | $59.99 | per year |


## Frequently asked questions

### Is B737CL Questions free?

B737CL Questions costs $3.99, with no in-app purchases.

### Is 320 EXPLAINAIR free?

320 EXPLAINAIR is free to download, with in-app purchases available.

### Do B737CL Questions or 320 EXPLAINAIR have ads?

Neither B737CL Questions nor 320 EXPLAINAIR shows ads.

### Which is updated more often, B737CL Questions or 320 EXPLAINAIR?

B737CL Questions ships an update every 2 months, and 320 EXPLAINAIR every 11 days. Most recently, B737CL Questions was updated on October 29, 2026 and 320 EXPLAINAIR on October 18, 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.*