Comparison

ClampMeter vs Gridphase

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

Head to head

ClampMeter-AllSun

Phase identification

About

ClampMeter

Features

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Application features: - Multiple Bluetooth clamp meters, such as EM4655、EM4658 -Fully display clamp dial data -Fully control of gear position through Bluetooth Preconditions for using: - Use the AllSun Bluetooth Clamp Meters (EM4655、EM4658) - IOS 8.3 or an updated version is required to support Bluetooth 4.0 and above devices

About

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

ClampMeter3 screens

Gridphase4 screens

Verdict

The call

The clearest difference is iOS requirement: ClampMeter at 9.0 against Gridphase's 12.0. On price, update cadence, ads and in-app purchases 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

ClampMeter ships an update every 2 months, Gridphase every 3 months. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

Scorecard1 real difference · 5 level

ClampMeter versus Gridphase: the parameters behind the verdict, then further details
Parameter	ClampMeter	Gridphase
Price	Free	Free
Update frequency	Every 2 months — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	12.0
Further details — not scored
Size	26 MB	57 MB
Age rating	17+	4+
Developer	ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.	GRID INSTRUMENTS d.o.o.

In-app purchases

None

ClampMeter

No in-app purchases

None

Gridphase

No in-app purchases

Questions

Is ClampMeter free?

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

Is Gridphase free?

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

Do ClampMeter or Gridphase have ads?

Neither ClampMeter nor Gridphase shows ads.

Which is updated more often, ClampMeter or Gridphase?

ClampMeter ships an update every 2 months, and Gridphase every 3 months. Most recently, ClampMeter was updated on September 20, 2026 and Gridphase on September 12, 2026.