# 034SPI vs EQT SMD

The clearest difference is review sentiment: EQT SMD at 100% against 034SPI's 55%. EQT SMD also leads on rating (5.0 vs 4.2). 034SPI's advantage is ratings volume (42 vs 1). 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.

EQT SMD holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: 034SPI has 42 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 55% of 034SPI's written reviews are positive against 100% of EQT SMD's.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 034SPI | EQT SMD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (42 ratings)](https://appshunter.io/ios/app/034spi/id6468930588/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eqt-smd/id6757195705/reviews)** |
| Number of ratings | **42** | 1 |
| Positive reviews | 55.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | Free |
| Size | 124 MB | 122 MB |
| Requires iOS | 12.2 | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [034motorsport Industries, LLC](https://appshunter.io/developer/1699254218) | [Equilibrium Tuning, INC](https://appshunter.io/developer/1738311190) |

## What reviewers say

### 034SPI

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

This app allows users to flash their car's ECU/TCU, change fuel maps, and configure live data displays. It also provides diagnostic tools like reading and clearing DTC codes. Compatible with Dynamic+ ECU/TCU tunes and the Dynamic+ End User Flashing Dongle.

**Highlights:** Flash ECU/TCU tunes, Change fuel octane/transmission files, Configure live data displays, High-speed data logging, Read & clear DTC codes, Perform adaptations/recalibrations

**Features:** macOS Compatibility

**In-app purchases:** none


### EQT SMD

[App page](https://appshunter.io/ios/app/eqt-smd/id6757195705)

This application allows users to flash ECUs and TCUs wirelessly via their mobile device. It also enables reading and clearing diagnostic trouble codes from ECM and TCM modules, and executing datalogging with custom variable displays.

**Highlights:** Wireless ECU/TCU flashing, Read/clear diagnostic trouble codes, ECM/TCM module diagnostics, Mobile datalogging, Custom datalogging variables

**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 EQT SMD free?

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

### Which has better reviews, 034SPI or EQT SMD?

EQT SMD is rated higher. 034SPI averages 4.2 out of 5 from 42 ratings, while EQT SMD averages 5.0 from 1 ratings.

### Do 034SPI or EQT SMD have ads?

Neither 034SPI nor EQT SMD shows ads.

### Which is updated more often, 034SPI or EQT SMD?

034SPI ships an update every 2 weeks, and EQT SMD every 2 weeks. Most recently, 034SPI was updated on October 16, 2026 and EQT SMD on October 7, 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.*