MotorData OBD ELM car scanner vs DFirstCoder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MotorData OBD ELM car scanner
Transform your smartphone into a comprehensive car diagnostic tool. Read and clear trouble codes, monitor real-time vehicle performance, and customize your dashboard for a deeper understanding of your car's health. Includes free engine diagnostics with optional advanced features for specific brands.
- Deep diagnostics for up to 25 ECUs
- One-touch scan for trouble codes
- Decode DTCs and clear Check Engine Light
- Real-time engine and system monitoring
- Customizable dashboard with 18 templates
- Log sensor readings and freeze frame data
- Fuel efficiency tracking
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Turn your phone into a powerful car diagnostic tool with MOTORDATA OBD. This advanced OBD2 scanner app goes beyond basic code readers. Diagnose issues, monitor vitals, and customize your dashboard for a complete car care experience. Key Features: • Deep Diagnostics: Read & clear codes from up to 25 ECUs (engine, transmission, ABS, SRS, etc.) for most cars 1996+ (US), 1998+ (Japan), 2000+ (Europe) • One-Touch Scan: Instantly identify all trouble codes and diagnostic data • Fix & Understand: Decode DTCs (P0 & P2) and troubleshoot common issues. Clear Check Engine Light • Real-Time Monitoring: Track key engine, transmission, and system vitals (speed, RPM, temperature, fuel efficiency) • Customizable Dashboard: 18 templates to personalize your trip computer • Record & Analyze: Log sensor readings, codes, and freeze frame data for troubleshooting • Enhanced Diagnostics: Advanced plugins for popular car brands (Toyota, Ford, Chevrolet, etc.) • Fuel Efficiency Tracker: Monitor real-time consumption to optimize driving • Driver's Handbook: Quick tips on towing, battery care, and tire changes • Dashboard Indicator Guide: Understand warning lights and recommended actions • Wide Compatibility: Works with most OBD-II vehicles and Wi-Fi/Bluetooth 4.0 LE adapters. Expand Your Diagnostic Capabilities: • Free engine diagnostics included • Advanced car diagnostics available for purchase. Supports major brands including Toyota, Ford, Chevrolet, GMC, Nissan, Honda, Acura, Cadillac, Mazda, Mitsubishi, Subaru, Hyundai, KIA, BMW, Suzuki, and more. Advanced Diagnostic Plugins Available for: • Toyota, Lexus including HYBRID: RX, NX, Camry, Corolla, Highlander, Rav4, Tacoma, Tundra, 4Runner, Venza, Prius • Ford: Escape, Explorer, F-Series, Bronco, Bronco Sport, Transit, Edge, Maverick, Expedition, Ranger, Mustang, • Chevrolet (Chevy): Silverado, Equinox, Malibu, Tahoe, Traverse, Colorado, Blazer, TrailBlazer, Express, Suburban, Corvette • GMC: Sierra, Terrain, Yukon, Acadia • Nissan: Altima, Rogue, Sentra, Frontier, Pathfinder, Kicks, Murano • Honda, Acura: Accord, Civic, CR-V, HR-V, Pilot, Odyssey, Ridgeline, Passport • Cadillac Escalade • Mazda: CX-5, CX-9, CX-30, Mazda3, • Mitsubishi: Outlander, ASX, L200 • Subaru: Outback, Crosstrek, Impreza • Hyundai: Tucson, Elantra, Palisade, Santa Cruz, Santa Fe, Sonata, Kona, Corvette, • KIA: Sportage, Telluride, Forte, Sorento, K5, Soul, Seltos • BMW: BMW3, BMW5, BMW7, X3, X5, X7 • Suzuki: Grand Vitara, SX4, Swift, Jimny, and more. How It Works: • Download MOTORDATA OBD • Connect a compatible OBD2 ELM327 adapter (Wi-Fi, Bluetooth, or USB) • Start diagnosing and monitoring your vehicle like a pro! Download MOTORDATA OBD today and become a car care expert! PS. We recommend high-quality adapters like OBDLink, Viecar, Konnwei KW903, and UniCarScan for optimal app performance. We would be grateful for your feedback: elm@motordata.net. More information: https://motordata-obd.com
DFirstCoder
This app provides comprehensive vehicle diagnostics and customization for car owners. It offers one-click app features for easy operation, Bluetooth connectivity, and the ability to read/clear trouble codes, perform smog checks, and view live data. It supports a wide range of vehicle models.
- One-click apps for easy operation
- Comprehensive diagnostic features
- Bluetooth wireless connectivity
- Read and clear trouble codes
- Smog check functionality
- Live data display
- Supports VAG, BMW, Mercedes-Benz models
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DFirstCoder is an equipped with one-click apps feature professional OBDII Scanner App, designed for vehicle users who want to go beyond straightforward diagnostics. It includes comprehensive diagnostic features and customize numerous features of your vehicles with one-click, friendly to use even for beginners. Features: 1.2 in 1 OBDII coder. In addition to comprehensive diagnostic, one-click apps eliminate the need for tedious operation steps, making them easy to understand and operate, even for beginners. 2.Hot update. Updating the features or fixing bugs immediately without needing to update the app, it can respond to users needs and resolve functionality issue quickly. 3.Bluetooth connectivity, DFirstCoder's device supports wireless connection to your phone or tablet , and communicate with your vehicles rapidly. 4.Read & Clear codes, read the trouble codes of your vehicle and clear it. 5.Smog check. 6.MIL status. 7.Live data. 8.Freeze frame. 9.Mode 6 10.Covering a wide range of models, VAG Group, BMW Group, Mercedes-Benz, etc. are available. About DFirstCoder Information ———————————————————————————————————————————————————————————————————————————————————— DFirstCoder is an app to adapt DFirst device, owner of Shenzhen QIXIN Technology Co., LTD. It’s equipped with one-click apps and comprehensive diagnostic features. The app is free to download for user, and some of functions are free to use (e.g. clear temporary trouble codes,date-time synchronization and host reboot etc.). For more details, welcome to follow us, Website:www.dfirstcoder.com Facebook:https://www.facebook.com/qixinglobal Email: support@dfirstcoder.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
MotorData OBD ELM car scanner and DFirstCoder both sit at 4.6 stars, but that hides the real split: 67% of DFirstCoder's written reviews are positive against 41% of MotorData OBD ELM car scanner's. DFirstCoder also leads on update cadence (every 3 weeks vs every 4 months). MotorData OBD ELM car scanner's advantage is ratings volume (48 vs 5). On price, rating, ads and in-app purchases 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. MotorData OBD ELM car scanner sells 10 one-off in-app purchases and DFirstCoder sells 8 in-app purchases, starting at $108.99 per year. Whichever you choose, the download price is not the number that matters.
DFirstCoder holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: MotorData OBD ELM car scanner has 48 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 41% of MotorData OBD ELM car scanner's written reviews are positive against 67% of DFirstCoder's.
MotorData OBD ELM car scanner ships an update every 4 months, DFirstCoder every 3 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | MotorData OBD ELM car scanner | DFirstCoder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (48 ratings) | 4.8 (5 ratings) — better |
| Positive reviews | 40.9% of reviews | 66.7% of reviews — better |
| Number of ratings | 48 — better | 5 |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 50 MB | 102 MB |
| Age rating | 4+ | 17+ |
| Developer | LEGION-AVTODATA, AO | Shenzhen QiXin Technology Co., Ltd. |
Customer experience
MotorData OBD ELM car scanner
DFirstCoder
In-app purchases
MotorData OBD ELM car scanner
- TOYOTA Warning lights$4.59
- CHEVROLET Warning lights$4.59
- Сustomization plugin$6.89
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- Plugin for TOYOTA$18.49
- Plugin for NISSAN & INFINITI$18.49
- Plugin for FORD$18.49
- Plugin for CHEVROLET$18.49
- Plugin for MAZDA$18.49
- Plugin for KIA$18.49
- Plugin for TOYOTA + HYBRID$27.49
DFirstCoder
- Pro Plan Subscription$108.991 Year
- Pro Plan Subscription (Family)$158.991 Year
- 350 QD$4.99
- 700 QD$9.95
- 1400 QD$19.49
Show 3 moreShow fewer
- 3500 QD$49.99
- 7000 QD$96.99
- 10500 QD$145.99
Questions
Is MotorData OBD ELM car scanner free?
Is DFirstCoder free?
Which has better reviews, MotorData OBD ELM car scanner or DFirstCoder?
Do MotorData OBD ELM car scanner or DFirstCoder have ads?
Which is updated more often, MotorData OBD ELM car scanner or DFirstCoder?
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