OBDify Car Diagnostic vs DTC
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
OBDify Car Diagnostic
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OBDify is a professional diagnostic and programming application for FCA / Mopar vehicles β Jeep, Dodge, RAM and Chrysler. Connect a compatible Bluetooth OBD-II adapter (e.g. ELM327, vLinker MS or OBDLink MX+) for dealer-level access to module information, fault codes, live data, actuator tests and 175+ guided procedures. The app communicates directly with supported control modules and offers clear, structured tools for reading faults, monitoring live data, testing components, editing configurations and following guided service procedures. With its intuitive interface, OBDify is suitable for both drivers and workshops who need fast, reliable access to FCA diagnostics β no laptop, no dealer visit. ---------- PLANS FREE - Read configuration parameters - Read error codes (DTCs) - Shareable diagnostic reports PREMIUM β subscription, unlimited vehicles - Everything in Free - Read & clear error codes - Live data monitoring - Actuator tests - Works on every car you plug into VEHICLE UNLOCK β one-time purchase, one vehicle, no subscription - Everything in Premium, for one vehicle - Edit configuration parameters - Guided service procedures - Configuration backup & restore Choose Premium for core diagnostics across unlimited cars, or unlock the complete app for a single vehicle with a one-time payment β no subscription required. ---------- SUPPORTED VEHICLES OBDify works with OBD-II compatible vehicles, with extended functionality for: Jeep, Dodge, RAM, Chrysler, Alfa Romeo, Fiat, Lancia, Maserati and other FCA-based platforms. For support: contact@obdify.net ---------- SUBSCRIPTION INFORMATION - OBDify Premium is an auto-renewable subscription, available in Monthly and Annual plans - A free trial is available with each plan - The exact price and trial length are shown in the app, in your local currency, before you confirm - Subscription automatically renews unless cancelled at least 24 hours before the end of the current period - Manage or cancel anytime in your device Account Settings - Vehicle Unlock is a one-time purchase, not a subscription Privacy Policy: https://obdify.net/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Vehicle Use Terms: https://obdify.net/terms/
DTC
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DTC-TOOL turns your iPhone into a pocket scanner for heavy-duty trucks. Designed for owner-operators, truck drivers and small fleets needing roadside self-checks and workshop-grade fault reading β no bulky bench scanner required. β’ Read DTCs β active/historical fault codes with plain-language fixes (Cummins, Detroit, Volvo, Mack, Freightliner, Isuzu, HINO & more, auto-detects J1939/J1708 protocols) β’ Clear DTCs β clear stale fault codes after a repair and get back on the road β’ Live PID stream β voltage, oil pressure, coolant temp, RPM, load, DPF soot load in real time β’ DPF care β parked regeneration & soot load reset guidance (ECU-permitted only) β’ VIN reading & ECU parameter viewing β read-only by default; write operations are only permitted when allowed by the vehicle ECU β’ Offline session logs β past scans saved locally to track vehicle trends between service visits How it works: Plug a Bluetooth OBD adapter into your truck, launch the app, and it auto-pairs. No manual protocol configuration required. No OBD adapter on hand? Tap the Help Centerβ tab β Demo modeβ to instantly load a sample J1939 truck: active/historical DTCs, live PID chart, DPF soot status, and clear-DTC flow. No Bluetooth dongle or vehicle required. Note: DTC-TOOL is a diagnostic viewer/guide tool. It does not stream cloud telematics and cannot replace OEM software. Support: [http://www.dtc-tool.com]
Screenshots
Verdict
The clearest difference is in-app purchases: DTC at none against OBDify Car Diagnostic's 6. DTC also leads on ads (none vs shown). OBDify Car Diagnostic's advantage is update cadence (fortnightly vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. OBDify Car Diagnostic sells 6 in-app purchases, starting at $4.99 per month. DTC asks for nothing beyond the download.
OBDify Car Diagnostic ships an update fortnightly, DTC every 5 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | OBDify Car Diagnostic | DTC |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly β better | Every 5 weeks |
| Ads | Yes | No β better |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 64 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | OBDify | Shenzhen Huansheng Intelligent Co., Ltd |
In-app purchases
OBDify Car Diagnostic
- OBDify Premium (Monthly)7 Days trial$4.991 Month
- OBDify Premium (Annual)14 Days trial$47.991 Year
- Unlock 1 VIN$19.99
- Unlock 3 VINs$49.99
- Unlock 10 VINs$119.99
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- Unlock 25 VINs$199.99
DTC
No in-app purchases
Questions
Is OBDify Car Diagnostic free?
Is DTC free?
Do OBDify Car Diagnostic or DTC have ads?
Which is updated more often, OBDify Car Diagnostic or DTC?
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