# Ultra Boost Piezo vs OPTION

The clearest difference is update cadence: OPTION at every 6 days against Ultra Boost Piezo's fortnightly. 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 Piezo ships an update fortnightly, OPTION every 6 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ultra Boost Piezo | OPTION |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/ultra-boost-piezo/id1579264665/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free | — |
| Size | 80 MB | 33 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ECU=SHOP](https://appshunter.io/developer/1389703440) | [Athibest Sonpatee](https://appshunter.io/developer/1736912173) |

## What reviewers say

### Ultra Boost Piezo

[App page](https://appshunter.io/ios/app/ultra-boost-piezo/id1579264665)

This application allows users to wirelessly adjust fuel supply and monitor engine performance metrics like RPM, boost, and speed via a mobile phone. It features an AI mode for automatic operation adjustments and offers a tangible price point for increased horsepower.

**Highlights:** Wireless fuel adjustment, RPM and boost display, AI automatic operation mode, Monitor oil pressure, GPS speed display, Weather and air pressure data

**Features:** macOS Compatibility

**In-app purchases:** none


### OPTION

[App page](https://appshunter.io/ios/app/option-max/id6479692165)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ultra Boost Piezo free?

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

### Is OPTION free?

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

### Do Ultra Boost Piezo or OPTION have ads?

Neither Ultra Boost Piezo nor OPTION shows ads.

### Which is updated more often, Ultra Boost Piezo or OPTION?

Ultra Boost Piezo ships an update fortnightly, and OPTION every 6 days. Most recently, Ultra Boost Piezo was updated on October 20, 2026 and OPTION on October 25, 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.*