# Cielo vs EF1 E6B Flight Computer

The clearest difference is ads: Cielo at none against EF1 E6B Flight Computer's shown. EF1 E6B Flight Computer's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 26.0). On price and in-app purchases there is nothing between them.

Both are free to download. Cielo sells 2 in-app purchases, starting at $0.99 per 7 days and EF1 E6B Flight Computer sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Cielo | EF1 E6B Flight Computer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 48 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Rubina](https://appshunter.io/developer/1676001153) | [EntireFlight LLC](https://appshunter.io/developer/1895485027) |

## What reviewers say

### Cielo

[App page](https://appshunter.io/ios/app/cielo-the-pilot-toolbox/id6761155485)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Yearly | $29.99 | per year |


### EF1 E6B Flight Computer

[App page](https://appshunter.io/ios/app/ef1-e6b-flight-computer/id6763776403)

This app provides a comprehensive electronic flight computer for pilots, offering fast, offline calculations for wind, airspeed, fuel, and navigation. It includes multi-leg route planning, printable navigation logs, and weight and balance calculations.

**Highlights:** Wind triangle calculations, Time, speed, distance calculations, Fuel burn, endurance, and range, Multi-leg cross-country planning, Printable VFR/IFR navigation logs, Weight and balance calculations, Fully offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $19.99 | per year |


## Frequently asked questions

### Is Cielo free?

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

### Is EF1 E6B Flight Computer free?

EF1 E6B Flight Computer is free to download, with in-app purchases available.

### Do Cielo or EF1 E6B Flight Computer have ads?

EF1 E6B Flight Computer shows ads; Cielo does not.

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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.*