# 034SPI vs ShiftySpec Gauge Configuration

The clearest difference is rating: ShiftySpec Gauge Configuration at 5.0 against 034SPI's 4.2. 034SPI's advantage is ratings volume (43 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ShiftySpec Gauge Configuration holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: 034SPI has 43 ratings behind it against 2, so its average is the more settled of the two.

034SPI ships an update every 3 weeks, ShiftySpec Gauge Configuration every 4 weeks. The most recent releases landed on October 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 034SPI | ShiftySpec Gauge Configuration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (43 ratings)](https://appshunter.io/ios/app/034spi/id6468930588/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/shiftyspec-gauge-configuration/id6744992635/reviews)** |
| Number of ratings | **43** | 2 |
| Positive reviews | 55.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 126 MB | 24 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [034Motorsport](https://appshunter.io/developer/1699254218) | [ShiftySpec](https://appshunter.io/developer/1810350016) |

## What reviewers say

### 034SPI

[App page](https://appshunter.io/ios/app/034spi/id6468930588)

This app allows users to flash their car's ECU/TCU tunes, configure live data displays, and record data logs for analysis. It also provides diagnostic support tools like reading and clearing DTC codes.

**Highlights:** Flash ECU/TCU tunes, Configure live data displays, High-speed data logging, Upload logs to server, Read and clear DTCs, View emissions monitor status

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

**In-app purchases:** none


### ShiftySpec Gauge Configuration

[App page](https://appshunter.io/ios/app/shiftyspec-gauge-configuration/id6744992635)

Customize your ShiftySpec Gauge with this app. Fine-tune visual and audible alarms for various vehicle metrics like temperature and pressure. Upload custom backgrounds for a personalized display, all controlled wirelessly via Bluetooth.

**Highlights:** Wireless configuration via Bluetooth LE, Custom visual and audible alarms, Set notification thresholds, Upload custom background images, CANBUS vehicle communication support

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

**In-app purchases:** none


## Frequently asked questions

### Is 034SPI free?

034SPI is free to download, with no in-app purchases.

### Is ShiftySpec Gauge Configuration free?

ShiftySpec Gauge Configuration is free to download, with no in-app purchases.

### Which has better reviews, 034SPI or ShiftySpec Gauge Configuration?

ShiftySpec Gauge Configuration is rated higher. 034SPI averages 4.2 out of 5 from 43 ratings, while ShiftySpec Gauge Configuration averages 5.0 from 2 ratings.

### Do 034SPI or ShiftySpec Gauge Configuration have ads?

Neither 034SPI nor ShiftySpec Gauge Configuration shows ads.

### Which is updated more often, 034SPI or ShiftySpec Gauge Configuration?

034SPI ships an update every 3 weeks, and ShiftySpec Gauge Configuration every 4 weeks. Most recently, 034SPI was updated on October 30, 2026 and ShiftySpec Gauge Configuration on October 14, 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.*