EM3720 vs Gridphase
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EM3720
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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
Gridphase
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Introducing the Gridphase mobile application - your indispensable tool when working with the Gridphase handheld instrument. Designed to seamlessly integrate with your device, this app enhances its capabilities by enabling straightforward phase identification in power distribution networks. Gridphase mobile ensures that phase identification is just a tap away. Experience the synergy of your handheld instrument and mobile app working in perfect harmony, making your tasks simpler and more efficient.
Screenshots
Verdict
EM3720 and Gridphase are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
EM3720 ships an update every 4 months, Gridphase every 3 months. The most recent releases landed on September 18, 2026 and May 17, 2026 respectively.
| Parameter | EM3720 | Gridphase |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 6 MB | 57 MB |
| Age rating | 17+ | 4+ |
| Developer | ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD. | GRID INSTRUMENTS d.o.o. |
In-app purchases
EM3720
No in-app purchases
Gridphase
No in-app purchases
