Comparison

Trigonometric vs Power Triange Calculator

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

Head to head
About

Trigonometric

Features
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Learn trigonometry by seeing it move. Trigonometric turns every formula into something you can drag, spin and explore β€” free, with no ads, no accounts and no internet needed. UNIT CIRCLE β€’ Drag point A round the circle or use the slider and play button β€’ Change the radius OA and read x = OAΒ·cos ΞΈ, y = OAΒ·sin ΞΈ, arc length AB, circumference and sector area β€’ Exact values such as √3/2, angles in degrees and as multiples of Ο€, quadrant signs (All–Sin–Tan–Cos) and the tangent line 3D SPHERE β€” SPHERICAL COORDINATES β€’ Place a point P(r, ΞΈ, Ο†) on a glass sphere you turn with your finger β€’ See it converted to x, y, z and back, with top and side views β€’ Explore the volume element rΒ² sin ΞΈ dr dΞΈ dΟ† GRAPHS β€’ A rotating circle draws sin, cos and tan, projected straight onto the curve β€’ Reshape y = AΒ·f(Bx + C) + D with sliders and read amplitude, period, phase shift and midline β€’ Type your own formula β€” or try examples like a Fourier square wave, a damped wave or beats TRIANGLE SOLVER β€’ Solve any triangle from three values: SSS, SAS, ASA/AAS and the ambiguous SSA case β€’ Drawn to scale, with area, perimeter and every step of the working FORMULAS & QUIZ β€’ A searchable cheat sheet of identities, the laws of sines and cosines and the special-angle table β€’ Quick ten-question quizzes with an explanation after every answer Three colour themes, full iPad support and a side-by-side landscape layout. Made for students, teachers and anyone curious about trigonometry.

About

Power Triange Calculator

Features
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A complex power calculator based off the principles of the power triangle: Watts [Real Power], Volt-Amps [Apparent Power], VAR [Reactive Power], Power Factor, angle theta. Enter in any two values and the others will be calculated: W, VA, VAR, PF, angle.

Screenshots

Trigonometric4 screens
Power Triange Calculator1 screens

Verdict

The call

The clearest difference is update cadence: Power Triange Calculator at every 6 days against Trigonometric's every 15 months. Power Triange Calculator also leads on iOS requirement (9.3 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

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

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

UpkeepUpdate frequency

Trigonometric ships an update every 15 months, Power Triange Calculator every 6 days. The most recent releases landed on November 3, 2026 and October 26, 2026 respectively.

Scorecard2 real differences Β· 5 level
Trigonometric versus Power Triange Calculator: the parameters behind the verdict, then further details
ParameterTrigonometricPower Triange Calculator
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 15 monthsEvery 6 days β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.3 β€” better
Further details β€” not scored
Size49 MB24 MB
Age rating4+4+
Developerhirenkumar patelOctagon Seven LLC

In-app purchases

None

Trigonometric

No in-app purchases

None

Power Triange Calculator

No in-app purchases

Questions

Is Trigonometric free?
Trigonometric is free to download, with no in-app purchases.
Is Power Triange Calculator free?
Power Triange Calculator is free to download, with no in-app purchases.
Do Trigonometric or Power Triange Calculator have ads?
Neither Trigonometric nor Power Triange Calculator shows ads.
Which is updated more often, Trigonometric or Power Triange Calculator?
Trigonometric ships an update every 15 months, and Power Triange Calculator every 6 days. Most recently, Trigonometric was updated on November 3, 2026 and Power Triange Calculator on October 26, 2026.

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