# E6BJA E6B Flight Computer vs Systems Trainer

The clearest difference is price: Systems Trainer at Free against E6BJA E6B Flight Computer's $9.99. E6BJA E6B Flight Computer's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Systems Trainer is free to download; E6BJA E6B Flight Computer costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

E6BJA E6B Flight Computer ships an update weekly, Systems Trainer every 2 weeks. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | E6BJA E6B Flight Computer | Systems Trainer |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/e6bja-e6b-flight-computer/id1667260381/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Paid | — |
| Size | 9 MB | 1000 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dr. Jamie Alnasir, Ph.D](https://appshunter.io/developer/1667260383) | [Patrick Heinrich](https://appshunter.io/developer/1794204930) |

## What reviewers say

### E6BJA E6B Flight Computer

[App page](https://appshunter.io/ios/app/e6bja-e6b-flight-computer/id1667260381)

This digital flight computer assists pilots with a wide range of aeronautical calculations, offering a modern, efficient, and less error-prone alternative to traditional whiz-wheels. It features an intuitive interface for speed and accuracy in flight planning and execution.

**Highlights:** Visual wind, GS, TAS calculations, Holding pattern computer, Wind triangle solver, Descent and fuel calculators, Weight and balance for multiple aircraft, Aviation units converter, Atmospheric calculations

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

**In-app purchases:** none


### Systems Trainer

[App page](https://appshunter.io/ios/app/systems-trainer/id6759176885)

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

**In-app purchases:** none


## Frequently asked questions

### Is E6BJA E6B Flight Computer free?

E6BJA E6B Flight Computer costs $9.99, with no in-app purchases.

### Is Systems Trainer free?

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

### Do E6BJA E6B Flight Computer or Systems Trainer have ads?

Neither E6BJA E6B Flight Computer nor Systems Trainer shows ads.

### Which is updated more often, E6BJA E6B Flight Computer or Systems Trainer?

E6BJA E6B Flight Computer ships an update weekly, and Systems Trainer every 2 weeks. Most recently, E6BJA E6B Flight Computer was updated on September 14, 2026 and Systems Trainer on September 9, 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.*