# Ultra Boost vs SPARK 3

The clearest difference is review sentiment: Ultra Boost at 100% against SPARK 3's 67%. Ultra Boost also leads on update cadence (every 2 months vs every 7 months). On price, ads, in-app purchases and monetization model 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, SPARK 3 every 7 months. The most recent releases landed on August 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Ultra Boost | SPARK 3 |
| --- | --- | --- |
| 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** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 81 MB | 44 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ECU=SHOP](https://appshunter.io/developer/1389703440) | [Suthipoj tripuwabhrut](https://appshunter.io/developer/1445632800) |

## 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


### SPARK 3

[App page](https://appshunter.io/ios/app/spark-3-alphatech/id1583702864)

Enhance your vehicle's responsiveness with this utility app. It offers adjustable throttle settings for a more engaging driving experience, compatible with both gasoline and diesel engines. Enjoy features like smoke limit and ramble modes without engine modification.

**Highlights:** Adjustable electric throttle (50 levels), Improved throttle response, No wire cutting required, Compatible with gasoline and diesel, Smoke limit mode, Ramble mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Ultra Boost free?

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

### Is SPARK 3 free?

SPARK 3 is free to download, with no in-app purchases.

### Do Ultra Boost or SPARK 3 have ads?

Neither Ultra Boost nor SPARK 3 shows ads.

### Which is updated more often, Ultra Boost or SPARK 3?

Ultra Boost ships an update every 2 months, and SPARK 3 every 7 months. Most recently, Ultra Boost was updated on August 24, 2026 and SPARK 3 on September 18, 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.*