Comparison

Transformer Calculation Tool vs VoltSize

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

Head to head
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: • Transformer voltage and current calculations • Turns ratio and power estimation • Supports electrical engineering formulas • Fast, accurate, and easy-to-use interface • Ideal for students, electricians, and professionals • 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

About

VoltSize

Features
Read full description

VoltSize is a complete calculation and planning toolkit for anyone building a solar power system. CALCULATORS - Panel Sizing: how many watts of panels you need based on your daily consumption - Battery Capacity: compare LiFePO4, AGM, Gel and other battery types - Inverter Sizing: find the right inverter power with a safety margin - Cable Gauge: pick the right wire thickness based on voltage drop - Daily Consumption: pick from a ready device library to total your Wh/day WIZARDS Step-by-step guided wizards for Home, Caravan and Boat setups: pick your system voltage and battery type, add your devices, enter your sun hours, see results instantly. PANEL ANGLE & DIRECTION Pick your location on the map or use GPS; VoltSize suggests the optimal panel tilt angle and direction. Then use your phone's camera and compass to measure the panel's real angle and direction live. SHARE Export your wizard results or device list as a PDF and share it via WhatsApp, email, or any app you choose. All data stays on your device. Calculations in VoltSize are estimates; always consult a licensed electrician or solar installer before any real installation.

Screenshots

Transformer Calculation Tool4 screens
VoltSize4 screens

Verdict

The call

The clearest difference is in-app purchases: VoltSize at none against Transformer Calculation Tool's 1. Transformer Calculation Tool's advantage is ads (none vs shown) and iOS requirement (13.0 vs 16.4). On price and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Transformer Calculation Tool sells 1 one-off in-app purchase. VoltSize asks for nothing beyond the download.

Scorecard3 real differences Ā· 3 level
Transformer Calculation Tool versus VoltSize: the parameters behind the verdict, then further details
ParameterTransformer Calculation ToolVoltSize
PriceFreeFree
Update frequencyEvery 4 weeks—
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size57 MB46 MB
Age rating4+4+
DeveloperShraddhaben ParmarEmin Burak YILDIRIM

In-app purchases

1 purchases

Transformer Calculation Tool

One-time1
  • Lifetime premium$9.99
None

VoltSize

No in-app purchases

Questions

Is Transformer Calculation Tool free?
Transformer Calculation Tool is free to download, with in-app purchases available.
Is VoltSize free?
VoltSize is free to download, with no in-app purchases.
Do Transformer Calculation Tool or VoltSize have ads?
VoltSize shows ads; Transformer Calculation Tool does not.

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