# gas4us vs Sophus App

The clearest difference is update cadence: gas4us at every 2 months against Sophus App's every 27 months. Sophus App's advantage is iOS requirement (13.7 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

gas4us ships an update every 2 months, Sophus App every 27 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | gas4us | Sophus App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gas4us/id1459576147/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 27 months |
| Monetization | Free | — |
| Size | 57 MB | 6 MB |
| Requires iOS | 16.0 | **13.7** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [TX FUEL](https://appshunter.io/developer/1459372907) | [Sophus Tecnologia](https://appshunter.io/developer/942664820) |

## What reviewers say

### gas4us

[App page](https://appshunter.io/ios/app/gas4us/id1459576147)

This app allows users to refuel their vehicles with discounts and earn points. Purchase credits within the app, find a participating gas station, and pay using a generated token at the pump. Save money and accumulate rewards on every fill-up.

**Highlights:** Refuel with discounts, Earn points on purchases, Purchase credits in-app, Find participating gas stations, Pay with app token

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

**In-app purchases:** none


### Sophus App

[App page](https://appshunter.io/ios/app/sophus-app/id6443452028)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is gas4us free?

gas4us is free to download, with no in-app purchases.

### Is Sophus App free?

Sophus App is free to download, with no in-app purchases.

### Do gas4us or Sophus App have ads?

Neither gas4us nor Sophus App shows ads.

### Which is updated more often, gas4us or Sophus App?

gas4us ships an update every 2 months, and Sophus App every 27 months. Most recently, gas4us was updated on November 3, 2026 and Sophus App on October 27, 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.*