# iRaceWeigh vs Flowmaster DELTA BOOST

The clearest difference is review sentiment: iRaceWeigh at 100% against Flowmaster DELTA BOOST's 14%. Flowmaster DELTA BOOST's advantage is update cadence (monthly vs every 7 months) and rating (3.2 vs 3.0). 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.

Flowmaster DELTA BOOST holds the better App Store score, 3.2 against 3.0. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews complicate that: 100% of iRaceWeigh's written reviews are positive against 14% of Flowmaster DELTA BOOST's, so the app with the better star average is not the one people write more warmly about.

iRaceWeigh ships an update every 7 months, Flowmaster DELTA BOOST monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | iRaceWeigh | Flowmaster DELTA BOOST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/iraceweigh/id427048138/reviews) | **[3.2 (9 ratings)](https://appshunter.io/ios/app/flowmaster-delta-boost/id1173507394/reviews)** |
| Number of ratings | 2 | **9** |
| Positive reviews | **100.0% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | Free |
| Size | 10 MB | 13 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intercomp](https://appshunter.io/developer/427048141) | [Dinan Corp](https://appshunter.io/developer/1036838407) |

## What reviewers say

### iRaceWeigh

[App page](https://appshunter.io/ios/app/iraceweigh/id427048138)

This app connects to specific weighing systems and pressure gauges via Bluetooth or Wi-Fi to display live weights and tire pressures. Users can manually enter, view, and save vehicle weight statistics and tire pressure data, exporting it to spreadsheets.

**Highlights:** Connect to Intercomp scales via Bluetooth/Wi-Fi, Display live weights, View and save tire pressures, Calculate weight statistics (Front, Rear, Cross Totals), Export data to CSV files, Connect to RFX Wireless Indicators

**Features:** macOS Compatibility

**In-app purchases:** none


### Flowmaster DELTA BOOST

[App page](https://appshunter.io/ios/app/flowmaster-delta-boost/id1173507394)

This app allows users to control their engine's boost levels for performance or fuel savings. It offers four power settings, from Valet to Max, and requires a specific Flowmaster module to operate.

**Highlights:** Engine boost control, Four power settings, Fuel savings mode, Performance boost mode, Requires Flowmaster module

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

**In-app purchases:** none


## Frequently asked questions

### Is iRaceWeigh free?

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

### Is Flowmaster DELTA BOOST free?

Flowmaster DELTA BOOST is free to download, with no in-app purchases.

### Which has better reviews, iRaceWeigh or Flowmaster DELTA BOOST?

Flowmaster DELTA BOOST is rated higher. iRaceWeigh averages 3.0 out of 5 from 2 ratings, while Flowmaster DELTA BOOST averages 3.2 from 9 ratings.

### Do iRaceWeigh or Flowmaster DELTA BOOST have ads?

Neither iRaceWeigh nor Flowmaster DELTA BOOST shows ads.

### Which is updated more often, iRaceWeigh or Flowmaster DELTA BOOST?

iRaceWeigh ships an update every 7 months, and Flowmaster DELTA BOOST monthly. Most recently, iRaceWeigh was updated on November 1, 2026 and Flowmaster DELTA BOOST on November 2, 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.*