Quick Graph vs Toqle

Quick Graph is a powerful, high-quality graphing calculator for iPhone and iPad, in 2D and 3D. "The app you need to survive the next semester." -- Gizmodo Type an equation and see it right away, written in math notation and drawn in a graph you can move, zoom and rotate with your fingers. Explicit and implicit equations and inequalities, in cartesian, polar, cylindrical and spherical coordinates, all fast and beautiful. What's inside: - 2D and 3D graphs with a clean, full-screen design. - 3D surfaces drawn with Metal: smooth shading, transparency, wireframe, and zoom that fills the screen. - Adaptive 2D drawing with exact roots and extrema and clean asymptotes. - Equation groups: show, hide and move several equations together, with a shared n. - Annotations with Apple Pencil or your finger on 2D graphs. - A math keyboard with functions, derivatives and more on each key. - Hyperbolic and inverse functions, min, max, if, derivatives. - Axes in decimals or multiples of π, and independent zoom on each 2D axis. - A library of example and saved equations, including groups. - Share as a link, image or text; copy and paste equations; drag them between windows. - Light or dark appearance, multiple windows on iPad, and support for iPhone Duo. Up to 6 equations can be shown at once in the free version. The Advanced Features, a single one-time purchase with no subscription, add: - More than 6 equations. - 2D and 3D implicit equations and inequalities. - The variable n with a slider, to animate your graphs. - 2D tracing with roots, extrema and intersections. - Value table. - External display support. - Decimal / π axes and polar range settings. No ads, no subscription. Please visit the website for more details.

Toqle is an interactive math visualization studio for iOS, iPadOS and macOS. Create, explore, save and share 2D and 3D scenes with functions, geometry, vectors, calculus tools, sliders and animations. Use Toqle to test ideas visually, explain concepts clearly and keep reusable math projects close at hand. Signed-in accounts can sync projects, keep version history and open public share links when their plan allows it. AI mode turns natural language into editable scenes. On supported devices, Apple Intelligence can run a small on-device 2D model offline; online Standard and Pro models require sign-in. Toqle Plus unlocks more synced projects, version history, public share links and expanded online AI use under fair use. AI Pro adds the Pro AI model and 10x the Plus AI-mode budget. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/