Comparison

EM3720 vs Smart iMeters

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

Head to head

About

EM3720

Features

Read full description

EM3720 App is for use with the EM3720 Meter. It enables your iOS device to View, Monitor, and Capture Pictures. As well as, Data Log the date/time stamped readings of the Smart Meter to Phones & Tablets. The exported test results can be shared via EMAIL, TEXT, PICTURE, and to EXCEL Wirelessly connects via Bluetooth to view AC voltage, DC voltage, Resistance, Continuity and Diode Test Saves Time and Money: 1.Identifies, alerts, captures and sends data instantly 2.Maximizes time – less re-checking 3.Problems captured - so repairs are easier Works on all iPhone, IPads, IPad Touches

About

Smart iMeters

Features

Read full description

Smart iMeters is a free APP that can be installed on smartphones and connected to the surrounding Therperature Humidity Meter, Sound Meter , Anemometer, Light Meter and Tachometer via Bluetooth to measure and record temperature and humidity, noise, wind speed, illuminance and rotational velocity in real time.

Screenshots

EM37201 screens

Smart iMeters3 screens

Verdict

The call

The clearest difference is update cadence: EM3720 at every 4 months against Smart iMeters's every 20 months. EM3720 also leads on iOS requirement (11.0 vs 15.0). 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

EM3720 ships an update every 4 months, Smart iMeters every 20 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 4 level

EM3720 versus Smart iMeters: the parameters behind the verdict, then further details
Parameter	EM3720	Smart iMeters
Price	Free	Free
Update frequency	Every 4 months — better	Every 20 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	11.0 — better	15.0
Further details — not scored
Size	6 MB	29 MB
Age rating	17+	4+
Developer	ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.	Changzhou Haoyi Technology Co.,Ltd.

In-app purchases

None

EM3720

No in-app purchases

None

Smart iMeters

No in-app purchases

Questions

Is EM3720 free?

EM3720 is free to download, with no in-app purchases.

Is Smart iMeters free?

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

Do EM3720 or Smart iMeters have ads?

Neither EM3720 nor Smart iMeters shows ads.

Which is updated more often, EM3720 or Smart iMeters?

EM3720 ships an update every 4 months, and Smart iMeters every 20 months. Most recently, EM3720 was updated on October 5, 2026 and Smart iMeters on October 3, 2026.