# 2U Fuel Driver vs TopOff

The clearest difference is update cadence: 2U Fuel Driver at every 2 months against TopOff's every 4 months. 2U Fuel Driver 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 Driver ships an update every 2 months, TopOff every 4 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 2U Fuel Driver | TopOff |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 42 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 Driver

[App page](https://appshunter.io/ios/app/2u-fuel-driver/id6478664445)

**Features:** macOS Compatibility

**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 Driver free?

2U Fuel Driver 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 Driver or TopOff have ads?

Neither 2U Fuel Driver nor TopOff shows ads.

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

2U Fuel Driver ships an update every 2 months, and TopOff every 4 months. Most recently, 2U Fuel Driver was updated on October 25, 2026 and TopOff on October 30, 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.*