TET LITHIUM vs BigRig ELD
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
TET LITHIUM
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T.E.T Lithium APP, your ultimate companion for monitoring the status of your Lithium Starting battery and BMS parameters.With cutting-edge technology, including the innovative JUMP START feature, it ensures your batteries stay active and responsive, ready to spring into action even when the BMS low Voltage protection is triggered. All of the datas can be showed on mobile through bluetooth.
BigRig ELD
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BigRig ELD is your essential electronic logging device (ELD) solution, designed to make FMCSA compliance effortless for fleet managers and drivers. With its intuitive interface and advanced features, RadiusELD ensures you can track Hours of Service (HOS), monitor vehicle health, and maintain seamless operations. Key Features Customized Inspections: Create tailored checklists with our Driver Vehicle Inspection Report (DVIR) tool, making vehicle inspections thorough and hassle-free. Clear Log Monitoring: View your logs in an easy-to-read format, with violation alerts clearly highlighted. Stay compliant with HOS rules and quickly address any issues. Support for Team Driving: Easily switch between driver profiles for both slip seat and team driving scenarios, ensuring accurate log entries and compliance for all drivers. Offline Functionality: Keep working even without connectivity. Track HOS, complete inspections, and perform tasks offline, with automatic syncing once youโre back online. Reliable Connectivity: The app automatically reconnects if the connection is lost, ensuring continuous data logging and minimizing compliance risks. Real-Time Log Editing: Fleet managers can edit driver logs directly, with changes synced instantly. Every edit is recorded for full transparency and compliance. Comprehensive Dashboard: Monitor drivers, vehicles, and compliance easily with our user-friendly dashboard, providing real-time data for effective fleet management. Tablet Settings Control: Manage key tablet settings remotely to ensure that only authorized changes are made, enhancing compliance and reducing errors. Efficient Log Edit Tracking: Filter log edits using consistent codes to improve accuracy in compliance reporting and streamline tracking of changes. User-Friendly Design: The intuitive interface requires minimal training, making it easy for both drivers and fleet managers to use effectively. Powerful Administration Tools: Manage vehicles, drivers, and accounts from one centralized platform. Easily update profiles, track vehicle status, and generate reports. Simplified IFTA Reporting: Automatically gather the data needed for International Fuel Tax Agreement (IFTA) reporting, saving you time and ensuring accuracy. Experience the ease of compliance with BigRig ELD, download now and streamline your fleet management today!
Screenshots
Verdict
The clearest difference is update cadence: BigRig ELD at every 2 months against TET LITHIUM's every 32 months. TET LITHIUM's advantage is iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and device support 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.
TET LITHIUM ships an update every 32 months, BigRig ELD every 2 months. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.
| Parameter | TET LITHIUM | BigRig ELD |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 32 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 9.0 โ better | 15.6 |
| Further details โ not scored | ||
| Size | 7 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | ๅฎๆ ้ | Radius Limited |
In-app purchases
TET LITHIUM
No in-app purchases
BigRig ELD
No in-app purchases









