Comparison

Gridphase vs Transformer Calculation Tool

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

Head to head
About

Gridphase

Read full description

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.

About

Transformer Calculation Tool

Features
Read full description

Easy Transformer Calculator is a practical and accurate tool designed for electricians, engineers, technicians, and students. Perform transformer calculations instantly with a clean and easy-to-use interface. Whether you're working with electrical systems, power distribution, or learning transformer theory, this app helps simplify complex calculations and improve accuracy. Key Features: โ€ข Transformer voltage and current calculations โ€ข Turns ratio and power estimation โ€ข Supports electrical engineering formulas โ€ข Fast, accurate, and easy-to-use interface โ€ข Ideal for students, electricians, and professionals โ€ข Useful for industrial and educational applications Save time, reduce calculation errors, and simplify transformer analysis with Easy Transformer Calculator. in-app purchase included Lifetime to Remove Ads Privacy Policy : https://docs.google.com/document/d/1A79qPsEUJu1rXjqsSUct_IBBAewiuBK5b8Dz-SPD0CY/edit?usp=sharing Terms & Condition : https://docs.google.com/document/d/1_yiolHxlRnOnEZk_sgPThQ0hggtlZAKCM6NvqDOE8Gs/edit?usp=sharing

Screenshots

Gridphase4 screens
Transformer Calculation Tool4 screens

Verdict

The call

The clearest difference is in-app purchases: Gridphase at none against Transformer Calculation Tool's 1. Transformer Calculation Tool's advantage is update cadence (every 4 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. Transformer Calculation Tool sells 1 one-off in-app purchase. Gridphase asks for nothing beyond the download.

UpkeepUpdate frequency

Gridphase ships an update every 3 months, Transformer Calculation Tool every 4 weeks. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

Scorecard2 real differences ยท 4 level
Gridphase versus Transformer Calculation Tool: the parameters behind the verdict, then further details
ParameterGridphaseTransformer Calculation Tool
PriceFreeFree
Update frequencyEvery 3 monthsEvery 4 weeks โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 โ€” better13.0
Further details โ€” not scored
Size57 MB57 MB
Age rating4+4+
DeveloperGRID INSTRUMENTS d.o.o.Shraddhaben Parmar

In-app purchases

None

Gridphase

No in-app purchases

1 purchases

Transformer Calculation Tool

One-time1
  • Lifetime premium$9.99

Questions

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

Other comparisons