034SPI vs Louro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
034SPI
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.
- Flash ECU/TCU tunes
- Change fuel octane/transmission files
- Configure live data displays
- High-speed data logging
- Read & clear DTC codes
- Perform adaptations/recalibrations
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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
Louro
This app helps you manage and understand your vehicles. It allows you to store service history, track mileage, and access diagnostic information. You can also ask an AI assistant questions about your car and discover upgrades.
- Private vehicle garage
- Service history and reminders
- OBD-II diagnostics
- Live vehicle gauges
- AI assistant for vehicle questions
- Discover vehicle upgrades
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Louro helps you understand, maintain, and enjoy your vehicles from one private garage. YOUR GARAGE • Add vehicles manually or scan a VIN. • Keep mileage, service history, reminders, documents, and important vehicle details together. • Review recall and safety information from live data sources. DIAGNOSTICS AND DRIVING • Read supported OBD-II diagnostic information with compatible hardware. • Use Cockpit™ for live vehicle gauges when a supported adapter and vehicle are connected. • Track drives only when you choose to enable the required permissions. OPIE ASSISTANCE • Ask Opie questions about your vehicle, maintenance, recalls, and diagnostic codes. • Louro asks for explicit consent before sending supported content to third-party AI providers. You can decline or revoke consent at any time and continue using non-AI features. UPGRADES AND COMMUNITY • Discover vehicle upgrades and parts. • Follow other enthusiasts and share a public vehicle profile when you choose. • Report content, block accounts, and contact Support directly from the app. GARAGE+ Garage+ is an optional auto-renewable subscription that unlocks premium personal-garage features, including enhanced vehicle insights, full history, health views, and Cockpit™ live gauges. Garage+ Monthly: $19.99 per month. The price shown by Apple may vary by country or region. Payment is charged to your Apple Account after confirmation. The subscription renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription in your Apple Account subscription settings. Some diagnostic and live-vehicle features require a compatible OBD-II adapter and supported vehicle. Louro does not replace professional inspection, diagnosis, maintenance, or repair advice. Privacy Policy: https://www.opaius.com/privacy Terms of Use: https://www.opaius.com/terms Support: https://www.opaius.com/support
Screenshots
Verdict
The clearest difference is review sentiment: Louro at 100% against 034SPI's 55%. Louro also leads on rating (5.0 vs 4.2). 034SPI's advantage is in-app purchases (none vs 1) and ratings volume (42 vs 2). On price, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Louro sells 1 in-app purchase, starting at $19.99 per month. 034SPI asks for nothing beyond the download.
Louro 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 2, 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 Louro's.
034SPI ships an update every 2 weeks, Louro every 3 weeks. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.
| Parameter | 034SPI | Louro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (42 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 55.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 42 — better | 2 |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.2 — better | 26.2 |
| Further details — not scored | ||
| Size | 124 MB | 108 MB |
| Age rating | 4+ | 4+ |
| Developer | 034motorsport Industries, LLC | Opaius Inc. |
Customer experience
034SPI
Louro
In-app purchases
034SPI
No in-app purchases
Louro
- Garage+ Monthly$19.991 Month









