iCarScan vs Troodon OBD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iCarScan
Access professional-level automotive diagnostic functions, including reading and clearing fault codes, viewing live data, and performing special tests. Supports a wide range of vehicle manufacturers with automatic VIN recognition and one-key diagnosis. Generates detailed diagnostic reports for informed maintenance.
- OE-level professional functions
- Full OBD II diagnosis
- Support for 39+ manufacturers
- Automatic VIN reading
- One-key diagnosis
- Fault code interpretation
- Diagnostic report generation
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1. Profession functions refer to OE level functions, such as read/clear code, data flow diagram, read ECU, drive test, bidirectional special functions, etc. 2. Support full-function OBD II diagnosis, read data flow, freeze frame read IM/real-time data, read/clear fault code, vehicle on-board monitoring/computer system control operation and read vehicle information. 3. Support vehicle maintenance light return to normal. 4. Select any vehicle diagnostic software, covering up to 39 major automobile manufacturers. 5. Support automatic VIN reading and one-key diagnosis. 6. Clear interpretation of fault codes and generate professional diagnostic reports.
Troodon OBD
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Unlock the full potential of your vehicle with Troodon OBD. Features include*: • ECU identification • Reading and clearing DTCs from ECU memory • Vehicle parameters monitoring • Visual data representation (graph mode) • Data logging for any number of parameters • Actuator testing procedures • Additional features • ECU configuration/adaptation • Sensor calibration • DPF regeneration • Component replacement functions and configurations • Service and oil change interval reset • Various other procedures specific for each vehicle This app is compatible with following devices: • Troodon OBD Basic • Troodon OBD Pro Whether you're a DIY enthusiast or a seasoned mechanic, Troodon OBD simplifies complex tasks, making advanced diagnostics easy and accessible. * Feature compatibility depends on the specific vehicle and the range of software installed on your diagnostic device.
Screenshots
Verdict
The clearest difference is update cadence: Troodon OBD at every 3 weeks against iCarScan's every 5 months. iCarScan's advantage is iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
iCarScan ships an update every 5 months, Troodon OBD every 3 weeks. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.
| Parameter | iCarScan | Troodon OBD |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (14 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 324 MB | 27 MB |
| Age rating | 17+ | 4+ |
| Developer | THINKCAR INC | DevCom spol. s r.o. |
In-app purchases
iCarScan
No in-app purchases
Troodon OBD
No in-app purchases









