Comparison

Trigonometry Master vs Electrical Calculation Tools

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

Head to head
About

Trigonometry Master

Easily calculate unknown sides, angles, area, and perimeter of any triangle. Supports both right and oblique triangles with visual input modes and adjustable decimal places for accuracy. Includes a history tape and email sharing for recent calculations.

Highlights
  • Solves right and oblique triangles
  • Calculates sides, angles, area, perimeter
  • Draws calculated triangles
  • Supports degrees and radians
  • Visual input modes
  • Adjustable decimal places
  • History tape and email results
Features
Read full description

Trigonometry Master is a easy to use app that allows you to quickly calculate unknown sides and angles of any triangle. It will also calculate the area and perimeter and draw the triangle. The app finds the sides, angles, area and perimeter of a triangle based on input parameters. - Right triangle: Enter two values, two sides or a side and an angle, tap Calculate and Trigonometry Master will find remaining values. - Oblique triangle: Enter three values, tap Calculate and Trigonometry Master will do the rest. Valid inputs: • three sides • two sides and an angle • two angles and a side Features: - Solves right triangles. - Solves oblique triangles. - Calculates unknown sides, angles, area and perimeter of a triangle. - Draws a calculated triangle with one click. - Supported angle units: degrees, radians. - 2 input modes based on the required level of visualisation: • Mode 1 (standard mode) - input fields are located above the triangle picture and linked with the picture through the names of sides and angles; • Mode 2 (more visualized mode) - input fields for sides and angles are located directly on the triangle picture so you can easily understand which parameter you are entering. - You can select the desired number of decimal places to adjust the accuracy of the results. - History tape to view your recent calculations. - Back and forward buttons to recall recent calculations. - Sends results and history via email. - 'Undo' for the Clear command. - 7 color schemes. - Portrait and landscape orientation.

About

Electrical Calculation Tools

Features
Read full description

Mobile Electrician Calculator is a powerful and easy-to-use tool designed for electricians, electrical engineers, students, and anyone working with electrical systems. This app brings essential electrical formulas and calculations right to your mobile device—making work faster, more accurate, and more convenient. Whether you're troubleshooting, designing circuits, or estimating power usage, the app offers precise calculators to save time and reduce errors. Key Tools Included: Ohm’s Law Calculator Quickly calculate voltage, current, resistance, or power with simple input fields. LC Resonance Calculator Find resonant frequency, inductance, and capacitance for AC circuits with accuracy. Delta–Y (Wye) Transformer Conversion Convert between Delta and Wye configurations in seconds—perfect for three-phase systems. Electrical Energy Calculator Estimate energy usage and cost of appliances for better planning and budgeting. Current Density Calculator Calculate current per unit area to select the right conductor size and prevent overheating. Designed for speed, accuracy, and convenience, Mobile Electrician Calculator is an essential tool for fieldwork, classroom learning, and electrical design. With its user-friendly interface and multiple built-in calculators, it simplifies complex math and helps users complete jobs more efficiently.

Screenshots

Trigonometry Master4 screens
Electrical Calculation Tools4 screens

Verdict

The call

The clearest difference is price: Electrical Calculation Tools at $1.99 against Trigonometry Master's $12.99. Trigonometry Master's advantage is iOS requirement (11.0 vs 13.0). On update cadence, ads, in-app purchases and device support 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

Trigonometry Master costs $12.99 and Electrical Calculation Tools $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Trigonometry Master ships an update every 10 months, Electrical Calculation Tools every 5 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
Trigonometry Master versus Electrical Calculation Tools: the parameters behind the verdict, then further details
ParameterTrigonometry MasterElectrical Calculation Tools
Price$12.99$1.99 — better
Rating2.5 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 10 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size12 MB37 MB
Age rating4+4+
DeveloperIntemodino Group s.r.o.Kantaben Gorasiya

In-app purchases

None

Trigonometry Master

No in-app purchases

None

Electrical Calculation Tools

No in-app purchases

Questions

Is Trigonometry Master free?
Trigonometry Master costs $12.99, with no in-app purchases.
Is Electrical Calculation Tools free?
Electrical Calculation Tools costs $1.99, with no in-app purchases.
Do Trigonometry Master or Electrical Calculation Tools have ads?
Neither Trigonometry Master nor Electrical Calculation Tools shows ads.
Which is updated more often, Trigonometry Master or Electrical Calculation Tools?
Trigonometry Master ships an update every 10 months, and Electrical Calculation Tools every 5 months. Most recently, Trigonometry Master was updated on September 10, 2026 and Electrical Calculation Tools on September 9, 2026.

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