# Callny Control vs VFR Wise E6B Flight Computer

The clearest difference is price: Callny Control at Free against VFR Wise E6B Flight Computer's $4.99. Callny Control also leads on iOS requirement (12.0 vs 15.6). VFR Wise E6B Flight Computer's advantage is update cadence (weekly vs every 30 months) and device support (4 vs 2). On ads and in-app purchases there is nothing between them.

Callny Control is free to download; VFR Wise E6B Flight Computer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Callny Control ships an update every 30 months, VFR Wise E6B Flight Computer weekly. The most recent releases landed on September 25, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Callny Control | VFR Wise E6B Flight Computer |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Weekly** |
| Monetization | — | Paid |
| Size | 32 MB | 21 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Callny Technology Co., Ltd.](https://appshunter.io/developer/1663693041) | [Ashley Poole](https://appshunter.io/developer/1888622235) |

## What reviewers say

### Callny Control

[App page](https://appshunter.io/ios/app/callny-control/id1663693039)

**Features:** macOS Compatibility

**In-app purchases:** none


### VFR Wise E6B Flight Computer

[App page](https://appshunter.io/ios/app/vfr-wise-e6b-flight-computer/id6761283293)

A digital E6B flight computer for pilots and student pilots. Quickly perform essential flight planning calculations like wind correction, fuel burn, and density altitude. Features an 'Explain Mode' to help users understand the results.

**Highlights:** Wind correction angle calculation, Density altitude and TAS calculation, Fuel burn and endurance calculation, PPL formulas and unit conversions, Explain Mode for understanding results, Offline functionality, Pilot-focused interface

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Callny Control free?

Callny Control is free to download, with no in-app purchases.

### Is VFR Wise E6B Flight Computer free?

VFR Wise E6B Flight Computer costs $4.99, with no in-app purchases.

### Do Callny Control or VFR Wise E6B Flight Computer have ads?

Neither Callny Control nor VFR Wise E6B Flight Computer shows ads.

### Which is updated more often, Callny Control or VFR Wise E6B Flight Computer?

Callny Control ships an update every 30 months, and VFR Wise E6B Flight Computer weekly. Most recently, Callny Control was updated on September 25, 2026 and VFR Wise E6B Flight Computer on September 13, 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.*