250+ iOS apps curated and reviewed
Out of 250+ otr diagnostics apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.0★ (98) | No | No | Aug 2026 |
| 2 |  | Free | 4.9★ (2.7K) | No | No | Aug 2026 |
| 3 |  | Free | 4.8★ (956K) | Yes | No | Aug 2026 |
| 4 |  | Free | 4.7★ (78K) | No | No | Aug 2026 |
| 5 |  | Free | 4.4★ (12K) | No | No | Aug 2026 |
| 6 |  | Free | 4.8★ (1.4M) | No | No | Aug 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | 3.1★ (49) | No | No | Aug 2026 |
This app helps heavy-duty truck owners diagnose and resolve common issues like fault codes, regen problems, and derates. It provides plain-language explanations of error codes, allows for bi-directional commands to fix issues, and monitors live truck data to prevent downtime.
This app simplifies factoring and fuel management for truckers. Factor loads, fund fuel cards, and find savings on the go. Access broker information and manage your business from anywhere, anytime.
Remotely control your vehicle's climate and starting functions. Track essential vehicle metrics like fuel and tire pressure. Schedule maintenance and request roadside assistance directly from your smartphone.
This app provides truck-optimized GPS routes and navigation for commercial vehicles. It helps drivers find essential services like diesel fuel, parking, and weigh stations, along with a marketplace for freight. It's designed to avoid truck-restricted roads and offer detailed facility information.
This app helps commercial drivers comply with Hours of Service (HOS) regulations using an electronic logging device (ELD). It also facilitates driver safety, dispatch management, vehicle inspections, and document uploads. Receive proactive alerts for HOS violations and communicate with fleet managers.
Manage your Ford vehicle's essentials from your smartphone. Control remote features, track vehicle stats, schedule service, and access electric vehicle charging information. Stay connected with your Ford's status and updates.
This app provides genuine service products and capabilities for Cummins equipment. It helps speed up repairs and improve customer uptime by offering fault code information, diagnostic tools, and repair guidance. It requires a Cummins datalink adapter for full functionality.
Control your vehicle remotely, including starting the engine and adjusting climate. Locate your car, monitor key metrics like fuel and tire pressure, and schedule maintenance or request roadside assistance directly from your smartphone.
Manage your Mazda ownership with ease. Schedule service, find dealers, access manuals, and get roadside assistance. Enhance your experience with remote start, lock/unlock, and vehicle health monitoring for connected vehicles.
This app offers instant digital payments for truck drivers to cover expenses like fuel, lumper fees, scales, and parking. It eliminates the need for cash or checks, providing pricing transparency and discounts at participating merchants.
This app helps carriers, owner-operators, and drivers manage freight on the go. It allows booking and managing loads, finding safe truck-friendly routes, and accessing site-specific facility information for faster entry. Drivers can also track paperwork and report delays.
Monitor, diagnose, and update your vehicle's software remotely. This powerful tool allows you to view live data, read and clear diagnostic codes, and record data for your technician. Connect directly with your mechanic for remote assistance and software updates, saving you trips to the repair shop.
This fleet management solution helps trucking companies improve compliance, safety, and profitability with real-time insights. It offers features like preventive maintenance tracking, ELD unplugged alerts, and unidentified driving detection to prevent violations and reduce costs.
Connect to a BlueLink ELD device via Bluetooth to configure settings for reading ECM data for Hours of Service. View Jbus data and engine diagnostics in real-time directly within the application.