# 034SPI — Dynamic+ Smartphone Interface > Car ECU/TCU flashing, data logging, and diagnostics for Dynamic+ tunes. (iPhone/iPad app by 034motorsport Industries, LLC.) - Source: https://appshunter.io/ios/app/034spi/id6468930588 (this page in markdown: same URL + `.md`) - Developer: [034motorsport Industries, LLC](https://appshunter.io/developer/1699254218) - Category: Lifestyle, Entertainment - Price: Free - Rating: 4.19/5 from 42 App Store ratings · 19 written reviews indexed - Age rating: 4+ - Requires: iOS 12.2 · 124 MB - Released: 2023-11-06 - Data updated: 2026-07-17 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/034spi/id6468930588/reviews.md ## What is 034SPI? Designed for use on iPhone/iOS as well as Apple Silicon-equipped laptops (M1, M2, M3), 034SPI allows you to easily flash your car, change fuel maps, configure live data displays, record and submit data logs to 034Motorsport's Tuning Support team, and utilize diagnostic support tools such as DTC/CEL code read/clear and more! Available now for use with any Dynamic+ ECU or TCU tune and the latest Dynamic+ End User Flashing Dongle (May 2023 & Newer)! Full App Features: Complete Any ECU Or TCU Tune flash Quickly Flash Different Fuel Octane Or Transmission Files Flash ECU/TCU Using Mobile Device's Internet Connection Enhanced Flashing Protocol Protections For Increased Flashing Stability User-Configurable Live Data Displays Dozens Of Defined Variables Available Multiple Display Types Available for Live Dt High-Speed Data Logging Of Pre-Defined Variables Easy Upload Of Logs To 034Motorsport Server Data Log Analysis Services Available Free Of Charge Read & Clear DTCs On ECU & TCU View Emissions Monitor Statuses Perform Adaptations/Recalibrations* Throttle Body Adaptation Fuel Tank Drain *Available for limited platforms, coverage expanding regularly ## Key features - Flash ECU/TCU tunes - Change fuel octane/transmission files - Configure live data displays - High-speed data logging - Read & clear DTC codes - Perform adaptations/recalibrations ## Recent user reviews (10 of 19) All indexed reviews: https://appshunter.io/ios/app/034spi/id6468930588/reviews.md ### 5/5 — Josh is the guy *2026-06-12, version 2.21* I was going through issues getting into the app because of my own mistake and Josh short for Joshua helped me out step by step. I can’t thank him enough for the help. Josh is that guy. ### 1/5 — Server can go down leaving you stranded *2026-01-01, version 2.17* Filled up e85 and tried to flash using the mobile flasher and could not connect to the server. Tried on my pc and same issue. Server went down causing me to miss plans and leave my car stranded ### 4/5 — Works just fine *2025-11-16, version 2.15.3* Used it a few times, only issues I’ve had was with iPad battery too low or wifi not working. Interface is fine, customer service via app is meehhhh could be better. Via email, the guys got back to me within the day, tune logs came within 12hrs. I nagged them as I needed the a tcu file on a track day, they got it to me within 6hrs. ### 1/5 — Email sign up *2025-07-28, version 2.14.1* I have the same issue, email will not send prior to purchasing a tune ### 2/5 — Issue creating an account on app *2025-04-04, version 2.13* It keeps saying an email has been sent with further instructions but i haven't received anything even when i tried multiple emails. Please give me some help ### 1/5 — Won’t let me sign up *2025-03-08, version 2.12* Have out my email in several times to setup before I purchase my tune but still no email for setup ! ### 5/5 — App Review *2025-02-06, version 2.12* This App works great with flashing my Audi S5 on the fly between the different fuel maps. It’s also great with monitoring data going on with the car. Another great feature is checking engine codes and having the ability to clear them on the fly without needing a Scan tool. This app is super convenient and the main reason why I’m never switching tuners. I’m extremely satisfied customer. ### 1/5 — Sign up? *2024-12-12, version 2.8.5* If only i could make an account. Saw someone else have the same problem. The app sign up system does not work for me. ### 5/5 — Great app easy to use! *2024-11-28, version 2.8.5* Easy to use once you are logged in also super useful and does great for my Audi B9 S4!! ### 4/5 — I can’t login *2024-08-31, version 1.20* Gives me (authentication for @my email ) ## Frequently asked questions about 034SPI ### What does the 034SPI app do? The 034SPI app allows you to flash your car's ECU and TCU tunes, change fuel maps, configure live data displays, and record data logs. It also includes diagnostic tools for reading and clearing DTC/CEL codes. ### What are the key features of the 034SPI app? Key features include the ability to complete any ECU or TCU tune flash, quickly flash different fuel octane or transmission files, and utilize user-configurable live data displays. It also offers high-speed data logging with easy upload and the capability to read and clear DTCs. ### Is the 034SPI app free to use? Based on the provided information, the app is available for free. It requires a compatible Dynamic+ ECU or TCU tune and the latest Dynamic+ End User Flashing Dongle (May 2023 & Newer) to function. ### What devices is the 034SPI app compatible with? The app is designed for use on iPhone/iOS devices and Apple Silicon-equipped laptops (M1, M2, M3). It requires the latest Dynamic+ End User Flashing Dongle to connect with your vehicle. ### What are common use cases for the 034SPI app? Common use cases include flashing your car for performance upgrades, switching between different fuel octanes, monitoring real-time engine data, and diagnosing or clearing check engine lights. It's also useful for submitting data logs for tuning support. ## Version history (last 5 releases) ### 2.22 — 2026-06-18 B9 VariSpec Support ### 2.21 — 2026-05-28 VIN/Vehicle selection when BLU cannot obtain VIN Unsupported BLU dongle warning ### 2.20.1 — 2026-05-11 Boot Loader Unlock (DQ38x G2/AL552) Calibration Feature Version Update Tags Other Enhancements and Fixes TP2 File Selection Fix ### 2.17 — 2025-12-23 VariSpec Calibration Features Faster Flashing Faster Connection Times OEM Update workflow improvements Data View Selection improvements Additional Protocol user settings Other features and enhancements ### 2.16.9 — 2025-12-23 VariSpec Calibration Features Faster Flashing Faster Connection Times OEM Update workflow improvements Data View Selection improvements Additional Protocol user settings Other features and enhancements ## Apps similar to 034SPI | App | Rating | Price | Category | | --- | --- | --- | --- | | [Stats -- For your Tesla](https://appshunter.io/ios/app/stats-for-your-tesla/id1191100729) | 4.4 (3,939) | Free | Lifestyle | | [AccuAir ePlus](https://appshunter.io/ios/app/accuair-eplus/id1544358290) | 3.1 (45) | Free | Lifestyle | | [TezLab - For Tesla/Rivian](https://appshunter.io/ios/app/tezlab-for-teslarivian/id1239581716) | 4.8 (5,332) | Free | Lifestyle | | [Viper SmartStart](https://appshunter.io/ios/app/viper-smartstart/id333400981) | 4.6 (8,057) | Free | Lifestyle | | [Directed SmartStart](https://appshunter.io/ios/app/directed-smartstart/id393395612) | 2.7 (123) | Free | Lifestyle | | [GWSCAN](https://appshunter.io/ios/app/gwscan/id6484502290) | 3.1 (27) | Free | Lifestyle | ## Related topics [034](https://appshunter.io/ios/topics/034) · [034spi](https://appshunter.io/ios/topics/034spi) · [034motorsport](https://appshunter.io/ios/topics/034motorsport) · [medusa interface for hydra](https://appshunter.io/ios/topics/medusa-interface-for-hydra) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-17.*