Trigonometric vs Power Triange Calculator
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Trigonometric
Read full descriptionHide full description
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 β3/2, angles in degrees and as multiples of Ο, quadrant signs (AllβSinβTanβCos) 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.
Power Triange Calculator
Read full descriptionHide full description
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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Trigonometric | Power Triange Calculator |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Every 15 months | Every 6 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 9.3 β better |
| Further details β not scored | ||
| Size | 49 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | hirenkumar patel | Octagon Seven LLC |
In-app purchases
Trigonometric
No in-app purchases
Power Triange Calculator
No in-app purchases
Questions
Is Trigonometric free?
Is Power Triange Calculator free?
Do Trigonometric or Power Triange Calculator have ads?
Which is updated more often, Trigonometric or Power Triange Calculator?
Other comparisons















