# Ultra Boost vs Step1 Mobile

The clearest difference is update cadence: Step1 Mobile at fortnightly against Ultra Boost's every 2 months. Ultra Boost's advantage is iOS requirement (12.0 vs 14.0). 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.

Ultra Boost ships an update every 2 months, Step1 Mobile fortnightly. The most recent releases landed on August 24, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Ultra Boost | Step1 Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ultra-boost/id1471601228/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 81 MB | 28 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ECU=SHOP](https://appshunter.io/developer/1389703440) | [Noppadon Kammit](https://appshunter.io/developer/1572992491) |

## What reviewers say

### Ultra Boost

[App page](https://appshunter.io/ios/app/ultra-boost/id1471601228)

This application allows users to wirelessly adjust fuel supply and monitor engine performance metrics like RPM, boost, and speed. It offers four operating modes, including an AI mode, to optimize engine output and increase horsepower.

**Highlights:** Wireless fuel supply adjustment, RPM, boost, and speed display, Four operating modes with AI, Monitor oil pressure and air flow, GPS speed and weather data

**Features:** Vision Pro support

**In-app purchases:** none


### Step1 Mobile

[App page](https://appshunter.io/ios/app/step1-mobile/id1612921761)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ultra Boost free?

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

### Is Step1 Mobile free?

Step1 Mobile is free to download, with no in-app purchases.

### Do Ultra Boost or Step1 Mobile have ads?

Neither Ultra Boost nor Step1 Mobile shows ads.

### Which is updated more often, Ultra Boost or Step1 Mobile?

Ultra Boost ships an update every 2 months, and Step1 Mobile fortnightly. Most recently, Ultra Boost was updated on August 24, 2026 and Step1 Mobile on September 8, 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.*