Comparison

EM3720 vs Sentiment

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

Sentiment

Features

Read full description

Score base text as positive, negative, or permissive to determine emotional polarity *Emotion polarity determination, emotion analysis, negative, positive

Screenshots

EM37201 screens

Sentiment1 screens

Verdict

The call

The clearest difference is ads: EM3720 at none against Sentiment's shown. EM3720 also leads on iOS requirement (11.0 vs 15.8.3). Sentiment's advantage is update cadence (fortnightly vs every 4 months). On price, 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, Sentiment fortnightly. The most recent releases landed on September 18, 2026 and September 7, 2026 respectively.

Scorecard3 real differences · 3 level

EM3720 versus Sentiment: the parameters behind the verdict, then further details
Parameter	EM3720	Sentiment
Price	Free	Free
Update frequency	Every 4 months	Fortnightly — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	11.0 — better	15.8.3
Further details — not scored
Size	6 MB	37 MB
Age rating	17+	4+
Developer	ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.	Hideaki Uchikoshi

In-app purchases

None

EM3720

No in-app purchases

None

Sentiment

No in-app purchases

Questions

Is EM3720 free?

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

Is Sentiment free?

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

Do EM3720 or Sentiment have ads?

Sentiment shows ads; EM3720 does not.

Which is updated more often, EM3720 or Sentiment?

EM3720 ships an update every 4 months, and Sentiment fortnightly. Most recently, EM3720 was updated on September 18, 2026 and Sentiment on September 7, 2026.