Comparison

KD Serials vs Gridphase

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

Head to head
About

KD Serials

Features
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KD series volt-ampere meter is a new type of coulomb meter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, remaining time, etc. At the same time, parameters can also be set to achieve full capacity voltage, zero capacity voltage, low capacity alarms, etc. Features. The meter can automatically identify the direction of the current, and can monitor the battery capacity in real time and use a broken code liquid crystal display. The measured data display information is comprehensive and user-friendly.

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

KD Serials2 screens
Gridphase4 screens

Verdict

The call

The clearest difference is update cadence: KD Serials at every 4 weeks against Gridphase's every 3 months. KD Serials also leads on iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

KD Serials ships an update every 4 weeks, Gridphase every 3 months. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

Scorecard2 real differences ยท 4 level
KD Serials versus Gridphase: the parameters behind the verdict, then further details
ParameterKD SerialsGridphase
PriceFreeFree
Update frequencyEvery 4 weeks โ€” betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS9.0 โ€” better12.0
Further details โ€” not scored
Size39 MB57 MB
Age rating4+4+
DeveloperHangzhou Junce Instruments Co., Ltd.GRID INSTRUMENTS d.o.o.

In-app purchases

None

KD Serials

No in-app purchases

None

Gridphase

No in-app purchases

Questions

Is KD Serials free?
KD Serials is free to download, with no in-app purchases.
Is Gridphase free?
Gridphase is free to download, with no in-app purchases.
Do KD Serials or Gridphase have ads?
Neither KD Serials nor Gridphase shows ads.
Which is updated more often, KD Serials or Gridphase?
KD Serials ships an update every 4 weeks, and Gridphase every 3 months. Most recently, KD Serials was updated on October 1, 2026 and Gridphase on September 30, 2026.

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