ETRUNK vs ZDOBD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ETRUNK
This smart car refrigerator connects to a mobile app via Bluetooth, allowing users to remotely control and adjust its temperature. Select food types for optimal cooling and manage all functions directly from your smartphone.
- Bluetooth connectivity
- Mobile app control
- Temperature adjustment
- Food type selection
- Remote operation
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The car refrigerator refers to the refrigerator that can be carried on the car. The car refrigerator is a new generation of refrigeration and refrigeration appliances popular in the international market in recent years. The smart Bluetooth car refrigerator realizes the interconnection with the mobile phone APP, and can freely adjust the temperature by selecting different foods. All functions can be easily operated on the mobile phone APP. It is at the forefront of the car refrigerator production and truly realizes the intelligent car refrigerator.
ZDOBD
This diagnostic tool connects to portable diesel vehicle devices via Bluetooth to perform comprehensive vehicle checks. It allows users to view ECU information, diagnose and clear faults, monitor real-time data, and conduct specific tests like DPF regeneration.
- Bluetooth connectivity
- ECU version information
- Vehicle fault diagnosis and clearing
- Real-time data flow monitoring
- DPF regeneration
- SCR testing
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EPS001, a portable diesel vehicle diagnosis device, needs to be used with a cell phone, already supports IOS system,using bluetooth transmission mode. EPS001 can simultaneously perform communication testing on vehicles equipped with Cummins engine series, as well as vehicles in the United States and Europe, etc. It can view ECU version information, query vehicle maintenance faults, clear vehicle malfunctions, read real-time vehicle operation data flow, DPF regeneration, SCR test and other functions.
Screenshots
Verdict
The clearest difference is rating: ETRUNK at 5.0 against ZDOBD's 2.0. ETRUNK also leads on monetization model (free vs free with in-app purchases) and iOS requirement (12.0 vs 15.6). ZDOBD's advantage is update cadence (monthly vs every 2 months) and ratings volume (4 vs 1). 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.
ETRUNK holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
ETRUNK ships an update every 2 months, ZDOBD monthly. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.
| Parameter | ETRUNK | ZDOBD |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 2.0 (4 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 55 MB | 22 MB |
| Age rating | 9+ | 4+ |
| Developer | YeungYu Electronics Co.,Ltd. | 深圳市正德友邦科技有限公司 |
In-app purchases
ETRUNK
No in-app purchases
ZDOBD
No in-app purchases
