Comparison

Skywatch Installer vs E

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

Head to head

About

Skywatch Installer

Features

Read full description

The Skywatch Installer is only for the certified installer.

About

E

Features

Read full description

E-Mirror Pro+ It is a combination that contains Wi-Fi A specialized application for electronic rearview mirrors with functions and real-time recording. pass E-Mirror Pro+， You can connect the electronic rearview mirror for image preview, playback, viewing pictures and downloading videos, and also share your favorite videos or pictures on social networks. Main functions: Instant viewing: through E-Mirror Pro+ After connecting the electronic rearview mirror, you can instantly view the current recording content. Video playback: supports playback through E-Mirror Pro+ Preview, replay, and download the storage device of the electronic rearview mirror. Function setting: Support through E-Mirror Pro+ Set the electronic rearview mirror function. One click sharing: supports sharing favorite photos to social networks.

Screenshots

Skywatch Installer4 screens

E4 screens

Verdict

The call

The clearest difference is update cadence: E at weekly against Skywatch Installer's every 3 months. Skywatch Installer's advantage is iOS requirement (10.0 vs 13). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Skywatch Installer ships an update every 3 months, E weekly. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 4 level

Skywatch Installer versus E: the parameters behind the verdict, then further details
Parameter	Skywatch Installer	E
Price	Free	Free
Update frequency	Every 3 months	Weekly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	10.0 — better	13
Further details — not scored
Size	10 MB	37 MB
Age rating	4+	17+
Developer	SkyWatch Innovation	CARMAX CO., LTD.

In-app purchases

None

Skywatch Installer

No in-app purchases

None

E

No in-app purchases

Questions

Is Skywatch Installer free?

Skywatch Installer is free to download, with no in-app purchases.

Is E free?

E is free to download, with no in-app purchases.

Do Skywatch Installer or E have ads?

Neither Skywatch Installer nor E shows ads.

Which is updated more often, Skywatch Installer or E?

Skywatch Installer ships an update every 3 months, and E weekly. Most recently, Skywatch Installer was updated on October 3, 2026 and E on October 4, 2026.