Truck Explorer vs DND HD+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Truck Explorer
This specialized software enables advanced diagnostics and programming for various trucks, buses, and industrial machines. It facilitates reading/writing ECU memory, immobilizer operations, key programming, and calculating access codes, often via the OBD port.
- ECU memory read/write (FLASH/EEPROM)
- IMMO OFF operation
- New key programming
- Special access code calculation
- OBD port operations
- Support for multiple truck brands
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Truck Explorer® is a unique tool on the market for special operations on MERCEDES, MAN, IVECO, Freightliner, MAZ, KAMAZ, CLAAS, PONSSE, UNIMOG and other trucks, buses and industrial machines. It allows to read/write memory (FLASH/EEPROM) of ECUs, make IMMO OFF operation, program new keys, calculate special access codes (VeDoc X1, X2, X8; FDOK XT, XN etc.). Most of operations can be easily done via OBD port without any ECU disassembling or soldering works. This feature makes Truck Explorer® a must-have tool for independent truck repair workshops and chiptuning service providers. WARNING: External VEI® (Vehicle Explorer Interface®) device V6 and special license are required to run this software. Please visit www.autovei.com or www.truckexplorer.pro to obtain them. For different vehicles brands we offer additional accessories and software licenses.
DND HD+
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DND HD+ provides a more professional, fast, and efficient OBD diagnostic tool for heavy-duty trucks。 Focusing on OBD diagnostic tools for heavy-duty trucks, providing comprehensive and powerful vehicle diagnostic functions, as well as DPF regeneration, fan override testing, SCR performance testing, and more, making it the perfect truck scanner for trucks on the road. Reduce maintenance costs and extend vehicle lifespan. Enhanced diagnostic function suitable for heavy-duty trucks, allowing you to better understand the heart of the vehicle. The "ECHO HD" OBDII scanner diagnostic tool helps you quickly locate vehicle issues and reduce trial and error time and costs during maintenance. Connect with the ECHO HD heavy-duty truck scanner diagnostic tool through the new generation Bluetooth, bid farewell to the constraints of additional cables, and provide you with the fastest response and smoothest operation. Lifetime free update of the application, simply download the DND HD+ application to your smartphone, register and connect. This application has a user-friendly interface and is suitable for beginners and professionals.
Screenshots
Verdict
Truck Explorer and DND HD+ are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Truck Explorer ships an update every 5 weeks, DND HD+ every 2 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | Truck Explorer | DND HD+ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 154 MB | 17 MB |
| Age rating | 17+ | 4+ |
| Developer | DIELEKTRIK | MATL TECH INC. |
In-app purchases
Truck Explorer
No in-app purchases
DND HD+
No in-app purchases









