CAN Scope vs J1939FaultCode
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
CAN Scope
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CAN Scope is a professional CAN bus monitoring, analysis, and communication app developed by GENEMEK. Access your CAN bus networks wirelessly via BLE (Bluetooth Low Energy). Real-Time Monitoring - View CAN messages instantly: ID, DLC, data (HEX/ASCII), timestamp, and period info - Two trace modes: Rolling and Fixed - Filter by CAN ID to focus on the messages that matter Message Transmission - Create up to 20 TX slots as CAN message templates - Single-shot or periodic transmission support - Standard (11-bit) and extended (29-bit) CAN frame support Advanced Bus Control - Wide baudrate range from 25 kbps to 1 Mbps, or enter a custom baudrate - Listen-Only mode for passive monitoring - Advanced bit timing configuration (BRP, TSEG1, TSEG2, SJW) - Live bus status, error counters, and statistics Logging & Sharing - Record CAN traffic to file - Export or share log files Configuration Management - Save, load, and update your TX slot layouts - Store different configurations for different projects Developed by GENEMEK.
J1939FaultCode
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J1939 FaultCode is a practical offline diagnostic reference tool for commercial vehicle technicians, fleet maintenance teams, and engineers. Quickly look up J1939 SPN parameters, FMI definitions, combined DTC meanings, and brand-specific fault code mappings. The app is designed for fast field use, with built-in data and no internet connection required for core lookup features. Main features: Search SPN codes by number or keyword View FMI definitions with clear explanations Query DTC combinations using SPN + FMI Check common causes and repair suggestions Browse brand-specific fault code mappings Save frequently used codes to Favorites Review recent lookup history Switch between English and Chinese Works offline after installation Whether you are troubleshooting engine, aftertreatment, fuel, sensor, electrical, or communication faults, J1939 FaultCode helps you find useful reference information quickly and consistently.
Screenshots
Verdict
The clearest difference is device support: CAN Scope at 3 against J1939FaultCode's 1. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on September 12, 2026 and September 18, 2026 respectively.
| Parameter | CAN Scope | J1939FaultCode |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.1 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 26 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | GEN ELEKTROMEKANIK SANAYI VE TICARET ANONIM SIRKETI | ๆด ๅ |
In-app purchases
CAN Scope
No in-app purchases
J1939FaultCode
No in-app purchases
Questions
Is CAN Scope free?
Is J1939FaultCode free?
Do CAN Scope or J1939FaultCode have ads?
Which is updated more often, CAN Scope or J1939FaultCode?
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