# Pythagoras: Area & Volume — Right Triangle & 3D Geometry > Real-time triangle calculator and visualizer for sides and angles. (iPhone/iPad app by hirenkumar patel.) - Source: https://appshunter.io/ios/app/pythagoras-area-and-volume/id535182856 (this page in markdown: same URL + `.md`) - Developer: [hirenkumar patel](https://appshunter.io/developer/393288416) - Category: Education, Utilities - Price: Free - Rating: 3.50/5 from 2 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 50 MB - Released: 2012-06-24 - Data updated: 2026-10-29 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/pythagoras-area-and-volume/id535182856/reviews.md ## What is Pythagoras? Pythagoras solves right triangles and turns a² + b² = c² into a complete geometry toolkit. Type what you know and every answer appears instantly, drawn to scale, with the formulas and clear step-by-step working. Wherever Pythagoras' theorem is used, the right triangle is highlighted so you can see exactly why. THEOREM • Solve a right triangle from two legs, the hypotenuse and a leg, an angle and the opposite side, an angle and the adjacent side, or the hypotenuse and an angle • See the classic proof picture: the squares a², b² and c² drawn on the sides with their areas • Check any three sides: right-angled, acute or obtuse, and Pythagorean triples AREA — 15 SHAPES • Square, rectangle, triangle from three sides (Heron), isosceles and equilateral triangles • Circle, semicircle, sector, ellipse and ring • Parallelogram, rhombus, trapezium, kite and any regular polygon • Area, perimeter, diagonals, heights, slant sides and more VOLUME — 13 SOLIDS IN 3D • Cube, cuboid, sphere, hemisphere, cylinder, cone and frustum • Square and rectangular pyramids, triangular prism, tetrahedron, hexagonal prism and capsule • Volume, surface area, slant heights, edges and diagonals • Shaded 3D models: drag to turn, pinch to zoom, see-through view PYTHAGORAS IN 3D • Space diagonal of a box and a cube, and the missing edge from a diagonal • Distance between two points in space • Height of a cone from its slant, height and slant of a pyramid from its edge • Longest rod in a cylinder, slice of a sphere, height of a tetrahedron • The spider-on-a-box puzzle: the shortest walk over the faces • Every right triangle used is tinted inside the solid with its right angle marked DESIGNED FOR iPHONE AND iPAD • Five themes — Pearl, Midnight, Penrose, Royal Gold and Sand — plus Auto for Light and Dark Mode • Units: mm, cm, m, km, in or ft, with areas and volumes to match • Degrees or radians, 0 to 4 decimal places • Landscape layout with the drawing beside the controls • Share any result with its working as text • A formula guide covering Pythagoras, SOH CAH TOA, areas, volumes and 3D distances PRIVATE BY DESIGN No account, no ads, no tracking and no internet connection needed. Everything stays on your device. ## Key features - Calculate remaining sides and angles - Real-time drawing of triangles - Multiple calculation options - Interactive triangle visualization ## Is Pythagoras safe? Not enough ratings yet to assess Pythagoras. ## Is Pythagoras legit? Pythagoras: Area & Volume appears to be a legitimate app. The AppsHunter Legitimacy Score for Pythagoras is 90 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/pythagoras-area-and-volume/id535182856/reviews.md ### 2/5 — Glitches! with solution! BEWARE. *2022-03-21* Sometimes the diagonal shows up as 0 and u have to go back and recalculate. Other times the diagonal rounds off! I checked this ‘rounding’ against iPhone scientific (horizontal position) calculator a2+b2=c2 (then sq root c2) and this app if off sometimes. It’s like playing Russian Roulette. Developer ghosted on it years ago and has not even submitted a privacy policy either. Beware of basing any given measurements on real world applications as it could be costly. ### 5/5 — Excellent and free *2020-01-01* Not that intuitive, but has all you need to get your job done. Recommend it 100%. ## Frequently asked questions about Pythagoras ### What can Pythagoras calculate? Pythagoras can calculate the remaining sides and/or angles of a triangle based on the input provided. It allows for real-time visualization of these calculations. ### Is Pythagoras free to use? Yes, Pythagoras is available for free. There are no costs associated with downloading or using its core features. ### What devices does Pythagoras support? Pythagoras is designed for Apple devices, including iPhone, iPad, and iPod. ### What is the age rating for Pythagoras? Pythagoras has an age rating of 4+, making it suitable for a wide range of young learners and students. ### How often is Pythagoras updated? The latest version of Pythagoras is 1.0.2, which was released on April 6, 2015. It has not received updates since then. ### What is the user sentiment for Pythagoras? Based on the available data, Pythagoras has a rating of 3.5 stars from 2 ratings, suggesting a mixed to positive user reception. ### Does Pythagoras offer certifications? The provided information does not indicate that Pythagoras offers any formal certifications upon completion of learning modules or exercises. ### Can Pythagoras be used offline? The description does not specify whether Pythagoras can be used offline. However, its functionality as a calculator and drawing tool suggests it may not require a constant internet connection. ## Version history (last 3 releases) ### 2.0 — 2026-10-26 Pythagoras has been completely rebuilt for today's iPhone and iPad. • The original right-triangle options, now drawn to scale with the squares on the sides, plus a right-angle check • New: area and perimeter of 15 shapes • New: volume and surface area of 13 solids in interactive 3D • New: Pythagoras in 3D — diagonals, distances, slant heights and more • Step-by-step working, units, five themes and landscape support ### 1.0.2 — 2015-04-06 This app has been updated by Apple to display the Apple Watch app icon. -update for iOS 8.1 - Completely code rewritten in native SDK. - more faster fixed bugs. ### 1.0 — 2012-06-23 No release notes. ## Apps similar to Pythagoras | App | Rating | Price | Category | | --- | --- | --- | --- | | [Pitagorín!](https://appshunter.io/ios/app/pitagorin/id347664740) | 5.0 (1) | $0.99 | Education | | [Pythagoras Interactive](https://appshunter.io/ios/app/pythagoras-interactive/id6466731389) | 5.0 (1) | Free | Education | | [Pythagorean theorem App](https://appshunter.io/ios/app/pythagorean-theorem-app/id1621751722) | — | Free | Education | | [Pitagorin Lite](https://appshunter.io/ios/app/pitagorin-lite/id6465172231) | — | Free | Education | | [Pythagorean Theorem Calc App](https://appshunter.io/ios/app/pythagorean-theorem-calc-app/id1619312460) | 1.0 (2) | Free | Education | | [Triangle Calculator Pythagoras](https://appshunter.io/ios/app/triangle-calculator-pythagoras/id1600108278) | 4.0 (1) | Free | Education | ## More apps by hirenkumar patel - [Trigonometric](https://appshunter.io/ios/app/trigonometric/id536651720) - [MathGraphs](https://appshunter.io/ios/app/mathgraphs/id536865106) - [CivilCal](https://appshunter.io/ios/app/civilcal/id539353655) - [SimpleBeamAnalysis](https://appshunter.io/ios/app/simplebeamanalysis/id551256944) - [AngleRight](https://appshunter.io/ios/app/angleright/id889705836) All apps by hirenkumar patel: https://appshunter.io/developer/393288416 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-29.*