Comparison

ETi vs Car 4x4

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

ETi

Features
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This app is designed to monitor the energy generated in any kind of Solar PV System like Roof Tops & Large Scale Utility Plants. Generation can be monitored on a daily / Weekly /Monthly basis. If multiple plants are assigned to a single login, one can choose the plant from the drop-down menu. For a solar PV generating system that has a weather station installed, Irradiance & temperature will be displayed along with generation data.

About

Car 4x4

Features
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Remote control tool software for Electric Side Step and Electric Tonneau Cover. For Electric Side Step: it can flexibly open and close the left and right pedals separately, with a safety lock function to prevent misoperation; The color of the flow light on the switch pedal can be flexibly set, supporting built-in color button selection, color ring selection, channel selection, and color palette selection; You can choose to set different flow light styles. For Electric Tonneau Cover: the position and status of the electric roller blinds can be viewed in real time, the electric roller blinds can be opened and closed, and the operation can be paused at any time to ensure safety.

Screenshots

ETi4 screens
Car 4x44 screens

Verdict

The call

The clearest difference is update cadence: ETi at every 2 months against Car 4x4's every 14 months. Car 4x4's advantage is iOS requirement (11.0 vs 15.0). 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ETi ships an update every 2 months, Car 4x4 every 14 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard2 real differences ยท 4 level
ETi versus Car 4x4: the parameters behind the verdict, then further details
ParameterETiCar 4x4
PriceFreeFree
Update frequencyEvery 2 months โ€” betterEvery 14 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 โ€” better
Further details โ€” not scored
Size94 MB47 MB
Age rating4+17+
DeveloperEnerMAN Technologies Private LimitedJiechu Technology Co., Ltd.

In-app purchases

None

ETi

No in-app purchases

None

Car 4x4

No in-app purchases

Questions

Is ETi free?
ETi is free to download, with no in-app purchases.
Is Car 4x4 free?
Car 4x4 is free to download, with no in-app purchases.
Do ETi or Car 4x4 have ads?
Neither ETi nor Car 4x4 shows ads.
Which is updated more often, ETi or Car 4x4?
ETi ships an update every 2 months, and Car 4x4 every 14 months. Most recently, ETi was updated on November 3, 2026 and Car 4x4 on November 4, 2026.

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