ETRUNK vs CMS Engineer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ETRUNK
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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.
CMS Engineer
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The Engineer app allows engineers to complete and commission installs and service calls for Connected Management Services.
Screenshots
Verdict
The clearest difference is update cadence: CMS Engineer at monthly against ETRUNK's every 2 months. 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 ships an update every 2 months, CMS Engineer monthly. The most recent releases landed on September 26, 2026 and September 8, 2026 respectively.
| Parameter | ETRUNK | CMS Engineer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 55 MB | 36 MB |
| Age rating | 9+ | 4+ |
| Developer | YeungYu Electronics Co., Ltd. | CMS SupaTrak Ltd |
In-app purchases
ETRUNK
No in-app purchases
CMS Engineer
No in-app purchases
