# 034SPI vs K·loset

The clearest difference is update cadence: 034SPI at every 2 weeks against K·loset's every 6 weeks. 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.

034SPI ships an update every 2 weeks, K·loset every 6 weeks. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 034SPI | K·loset |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (42 ratings)](https://appshunter.io/ios/app/034spi/id6468930588/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 55.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 124 MB | 68 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [034motorsport Industries, LLC](https://appshunter.io/developer/1699254218) | [Formora LLC](https://appshunter.io/developer/1846296520) |

## 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


### K·loset

[App page](https://appshunter.io/ios/app/kloset/id6758882653)

**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 K·loset free?

K·loset is free to download, with no in-app purchases.

### Do 034SPI or K·loset have ads?

Neither 034SPI nor K·loset shows ads.

### Which is updated more often, 034SPI or K·loset?

034SPI ships an update every 2 weeks, and K·loset every 6 weeks. Most recently, 034SPI was updated on October 16, 2026 and K·loset on October 20, 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.*