# Sporty's E6B Flight Computer vs ISA Deviation Calculator

The clearest difference is price: ISA Deviation Calculator at $3.99 against Sporty's E6B Flight Computer's $9.99. Sporty's E6B Flight Computer's advantage is chart position (#4 vs #183) and device support (5 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

Sporty's E6B Flight Computer costs $9.99 and ISA Deviation Calculator $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sporty's E6B Flight Computer | ISA Deviation Calculator |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | **[4.9 (5.3K ratings)](https://appshunter.io/ios/app/sportys-e6b-flight-computer/id371817955/reviews)** | — |
| Number of ratings | **5.3K** | — |
| Positive reviews | 59.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Monetization | Paid | — |
| Best chart rank | **#4** | #183 |
| Size | 12 MB | 32 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sporty's Pilot Shop](https://appshunter.io/developer/371817958) | [Omar Mando Pol](https://appshunter.io/developer/1895425536) |

## What reviewers say

### Sporty's E6B Flight Computer

[App page](https://appshunter.io/ios/app/sportys-e6b-flight-computer/id371817955)

**Currently charting:** #4 Top Paid · Navigation, #132 Top Paid, #170 Top Grossing · Navigation (US App Store)

This aviation calculator app offers 27 functions for navigation, fuel calculations, and conversions. It includes a versatile timer for tracking multiple time zones and performing countdowns with alerts. Designed for pilots, it simplifies complex flight planning and in-flight computations.

**Highlights:** 27 Aviation Functions, 22 Aviation Conversions, Navigational Calculations, Fuel Calculations, Advanced Timer/Clock, Zulu, Local, and Home Time Tracking, Basic Arithmetic Calculator

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Calculates everything so much faster
- 👍 Easy and user-friendly interface
- 🚀 Provides all the tools needed
- 👍 Organized and easy to use
- 👍 Useful for aviation and non-aviation calculations

**What reviewers complain about**

- 🐛 Keyboard issues on iPad and iOS
- 🐛 Bugs and inaccurate calculations
- 💡 Lacks weight and balance feature
- 💡 Missing conversion factors and formulas
- 💡 Needs more flexibility with formulas

**Reported bugs**

- Keyboard not working on iPad and iOS 26
- Pressure altitude tool not accepting certain numbers
- Weight and balance not accepting decimal points
- Heading and groundspeed calculations not working
- Density altitude calculation issues

**Requested features**

- Add weight and balance feature
- Improve Apple Watch support
- Add cold temperature correction for DA and MDA
- Add glide path calculation to TOD
- Add time calculation like on electronic E6B


### ISA Deviation Calculator

[App page](https://appshunter.io/ios/app/isa-deviation-calculator/id6763664276)

**Currently charting:** #183 Top Paid · Navigation (US App Store)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sporty's E6B Flight Computer free?

Sporty's E6B Flight Computer costs $9.99, with no in-app purchases.

### Is ISA Deviation Calculator free?

ISA Deviation Calculator costs $3.99, with no in-app purchases.

### Do Sporty's E6B Flight Computer or ISA Deviation Calculator have ads?

Neither Sporty's E6B Flight Computer nor ISA Deviation Calculator shows ads.

### Which is more popular, Sporty's E6B Flight Computer or ISA Deviation Calculator?

Sporty's E6B Flight Computer currently peaks at #4 in the App Store charts, and ISA Deviation Calculator at #183. Chart position reflects recent download velocity rather than total install base.

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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.*