# E6B Flight Computer CFI Pilot vs Aviation Calculator AvCalc

The clearest difference is update cadence: E6B Flight Computer CFI Pilot at every 4 days against Aviation Calculator AvCalc's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. E6B Flight Computer CFI Pilot sells 2 in-app purchases, starting at $2.99 per 7 days and Aviation Calculator AvCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

E6B Flight Computer CFI Pilot ships an update every 4 days, Aviation Calculator AvCalc every 3 months. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | E6B Flight Computer CFI Pilot | Aviation Calculator AvCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/aviation-calculator-avcalc/id6767033258/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 20 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Mohammed Alsaleh](https://appshunter.io/developer/1581466887) | [Fifteen Jugglers Software UG](https://appshunter.io/developer/292972357) |

## What reviewers say

### E6B Flight Computer CFI Pilot

[App page](https://appshunter.io/ios/app/e6b-flight-computer-cfi-pilot/id6761579971)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Lifetime | $17.99 | one-time |


### Aviation Calculator AvCalc

[App page](https://appshunter.io/ios/app/aviation-calculator-avcalc/id6767033258)

This app provides pilots with essential aviation calculations for flight planning and cockpit use. It offers quick answers for time, speed, distance, fuel, performance, weather decoding, and more, all in a compact interface.

**Highlights:** Time, speed, and distance calculations, Wind correction and runway components, Fuel planning and endurance estimates, Performance calculations (altitude, Mach, climb), METAR/TAF weather decoding, Weight and balance checks, Unit conversions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AvCalc Pro | $19.99 | one-time |


## Frequently asked questions

### Is E6B Flight Computer CFI Pilot free?

E6B Flight Computer CFI Pilot is free to download, with in-app purchases available.

### Is Aviation Calculator AvCalc free?

Aviation Calculator AvCalc is free to download, with in-app purchases available.

### Do E6B Flight Computer CFI Pilot or Aviation Calculator AvCalc have ads?

Neither E6B Flight Computer CFI Pilot nor Aviation Calculator AvCalc shows ads.

### Which is updated more often, E6B Flight Computer CFI Pilot or Aviation Calculator AvCalc?

E6B Flight Computer CFI Pilot ships an update every 4 days, and Aviation Calculator AvCalc every 3 months. Most recently, E6B Flight Computer CFI Pilot was updated on October 28, 2026 and Aviation Calculator AvCalc on November 5, 2026.

---

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