# iBoost vs Shift Pro

The clearest difference is ads: iBoost at none against Shift Pro's shown. iBoost also leads on monetization model (free vs ad-supported). Shift Pro's advantage is review sentiment (33% vs 0%) and update cadence (every 2 months vs every 5 months). On price, 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.

iBoost ships an update every 5 months, Shift Pro every 2 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | iBoost | Shift Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iboost/id1543659177/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 54 MB | 29 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ECU=SHOP](https://appshunter.io/developer/1389703440) | [NK RACING PARTS COMPANY LIMITED](https://appshunter.io/developer/1500859331) |

## What reviewers say

### iBoost

[App page](https://appshunter.io/ios/app/iboost/id1543659177)

Monitor your car's battery voltage, charging performance, and engine start voltage. Connects wirelessly to the iBoost box via Bluetooth for real-time data.

**Highlights:** Display current car battery voltage, Monitor battery charging performance, Show engine start voltage, Bluetooth connectivity to iBoost box, Real-time data display

**Features:** Vision Pro support

**In-app purchases:** none


### Shift Pro

[App page](https://appshunter.io/ios/app/shift-pro-nk-racing/id1596897355)

This application allows users to tune the fuel distribution of injectors. It provides functions to display, configure, and log data, as well as open and save configuration files.

**Highlights:** Display fuel data, Configure fuel data, Open and save files, Data logging

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

**In-app purchases:** none


## Frequently asked questions

### Is iBoost free?

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

### Is Shift Pro free?

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

### Do iBoost or Shift Pro have ads?

Shift Pro shows ads; iBoost does not.

### Which is updated more often, iBoost or Shift Pro?

iBoost ships an update every 5 months, and Shift Pro every 2 months. Most recently, iBoost was updated on October 8, 2026 and Shift Pro on October 10, 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.*