# eFuelConverter vs ListaPax

The clearest difference is price: ListaPax at Free against eFuelConverter's $0.99. ListaPax also leads on update cadence (every 5 days vs every 15 months). eFuelConverter's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 15.1). On ads and device support there is nothing between them.

ListaPax is free to download; eFuelConverter costs $0.99 up front. ListaPax sells 1 one-off in-app purchase. eFuelConverter asks for nothing beyond the download.

eFuelConverter ships an update every 15 months, ListaPax every 5 days. The most recent releases landed on September 21, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | eFuelConverter | ListaPax |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 1 MB | 39 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PH-Informatik](https://appshunter.io/developer/595299933) | [Eleven Aviação](https://appshunter.io/developer/1896771748) |

## 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


### ListaPax

[App page](https://appshunter.io/ios/app/listapax/id6771103462)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ListaPax PRO | $7.99 | one-time |


## Frequently asked questions

### Is eFuelConverter free?

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

### Is ListaPax free?

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

### Do eFuelConverter or ListaPax have ads?

Neither eFuelConverter nor ListaPax shows ads.

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

eFuelConverter ships an update every 15 months, and ListaPax every 5 days. Most recently, eFuelConverter was updated on September 21, 2026 and ListaPax on August 17, 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.*