# eFuelConverter vs Flight

The clearest difference is price: Flight at Free against eFuelConverter's $0.99. Flight also leads on update cadence (every 3 months vs every 15 months) and review sentiment (20% vs 0%). eFuelConverter's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 17.6). On ads and device support there is nothing between them.

Flight is free to download; eFuelConverter costs $0.99 up front. Flight sells 1 in-app purchase, starting at $1.99 per year. eFuelConverter asks for nothing beyond the download.

eFuelConverter ships an update every 15 months, Flight every 3 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | eFuelConverter | Flight |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[1.0 (5 ratings)](https://appshunter.io/ios/app/flight-time-ii/id6751549518/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 0.0% of reviews | **20.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Monetization | **Paid** | Subscription |
| Size | 1 MB | 12 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PH-Informatik](https://appshunter.io/developer/595299933) | [Pedro Jose Villarroel Cuevas](https://appshunter.io/developer/558476272) |

## What reviewers say

### eFuelConverter

[App page](https://appshunter.io/ios/app/efuelconverter/id612362193)

This app calculates and converts aviation fuel quantities for JetA1 and AvGAS. It uses specific conversion factors for each fuel type to ensure accurate measurements.

**Highlights:** JetA1 fuel conversion, AvGAS fuel conversion, Customizable conversion factors, Supports lbs/ltr measurements

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

**In-app purchases:** none


### Flight

[App page](https://appshunter.io/ios/app/flight-time-ii/id6751549518)

This app helps flight crews accurately calculate flight time, duty time, and rest periods. It offers advanced features for long-haul operations and ensures compliance with aviation regulations. Designed for professional pilots, it provides a flexible and user-friendly solution for time-based calculations.

**Highlights:** Calculate flight time, Calculate duty time, Calculate rest periods, Configurable rest segments, Exclude time for accurate planning, Intuitive interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto Renewable Subscription | $1.99 | per year |


## Frequently asked questions

### Is eFuelConverter free?

eFuelConverter costs $0.99, with no in-app purchases.

### Is Flight free?

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

### Do eFuelConverter or Flight have ads?

Neither eFuelConverter nor Flight shows ads.

### Which is updated more often, eFuelConverter or Flight?

eFuelConverter ships an update every 15 months, and Flight every 3 months. Most recently, eFuelConverter was updated on November 6, 2026 and Flight on November 4, 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.*