# 2U Fuel vs TopOff

The clearest difference is update cadence: 2U Fuel at every 2 months against TopOff's every 4 months. 2U Fuel also leads on iOS requirement (13.0 vs 15.0). 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.

2U Fuel ships an update every 2 months, TopOff every 4 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 2U Fuel | TopOff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/2u-fuel/id6478664390/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 70 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [2U Fuel, LLC.](https://appshunter.io/developer/1733646926) | [TopOff Services, LLC](https://appshunter.io/developer/1817070069) |

## What reviewers say

### 2U Fuel

[App page](https://appshunter.io/ios/app/2u-fuel/id6478664390)

This app provides a convenient mobile fuel delivery service for businesses and consumers. It eliminates the need to visit gas stations, bringing fuel directly to your location for enhanced productivity and safety. Save time and hassle with on-demand refueling.

**Highlights:** Mobile fuel delivery, On-demand refueling, Fleet refueling, Business and consumer service, Time-saving convenience, Enhanced productivity

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### TopOff

[App page](https://appshunter.io/ios/app/topoff/id6746463568)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 2U Fuel free?

2U Fuel is free to download, with no in-app purchases.

### Is TopOff free?

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

### Do 2U Fuel or TopOff have ads?

Neither 2U Fuel nor TopOff shows ads.

### Which is updated more often, 2U Fuel or TopOff?

2U Fuel ships an update every 2 months, and TopOff every 4 months. Most recently, 2U Fuel was updated on October 24, 2026 and TopOff on October 6, 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.*