Best Diagonal Apps & Games

94+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated May 2026

Out of 94+ diagonal apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Diagonal

Figure calculator ShapeInfo#1

Figure calculator ShapeInfo by Noriyasu Kutsuzawa

Geometric shape calculator
Editor's Choice
📊 Productivity
4.7(133 ratings)
FreeAds
Figure calculator ShapeInfo screenshot 1
Figure calculator ShapeInfo screenshot 2
Figure calculator ShapeInfo screenshot 3
Figure calculator ShapeInfo screenshot 4
Figure calculator ShapeInfo screenshot 5
Figure calculator ShapeInfo screenshot 6

This geometric shape calculator helps users calculate lengths, angles, and areas of various shapes, including triangles, circles, and ellipses, as well as volumes of 3D objects. Simply choose a shape, enter values, and get instant calculations, making it a useful tool for students, engineers, and professionals.

Pythagoras Calculator#3

Pythagoras Calculator by Glindemann, Sennoun, Langer GbR

With solution steps
Worth Considering
📚 Education
4.6😊(230 ratings)
FreeIn-App Purchases
Pythagoras Calculator screenshot 1
Pythagoras Calculator screenshot 2
Pythagoras Calculator screenshot 3
Pythagoras Calculator screenshot 4

An app that simplifies calculating right-angled triangles using the Pythagorean theorem, allowing users to input two edges and automatically calculate the third. Features include a history function, support for fractions, and the ability to share solutions. Enter values in designated fields, access history, and switch between different views easily.

What We Love

  • 👍 Easy to use and simple interface
  • ✅ Accurate calculations for Pythagorean theorem
  • 📚 Shows step-by-step solutions for learning
  • 🚀 Fast and efficient computation

Room to Improve

  • 📢 Intrusive and annoying advertisements
  • 💳 Deceptive payment practices and fraudulent charges
  • 🔐 Suspicious credit card requirements for access

More Diagonal apps to explore

4
Diagonal Sports Club
Diagonal Sports Club
Diagonal Sports Club
by Llop Gestio Esportiva S.L
Free
💪 Health & Fitness
(3)
5
Area of Rectangle Calculator
Area of Rectangle Calculator
Area of Rectangle Calculator
Calculate Rectangle Area
Free
📚 Education
(0)
6
Number Join - Connect Diagonal
Number Join - Connect Diagonal
Number Join - Connect Diagonal
Connect Numbers Diagonally
Free

Connect numbers in sequential order, going horizontally, vertically, or diagonally to solve logic puzzles. Challenge yourself with over 500 levels across 5 difficulty levels and track your progress with features like auto-save, wrong number highlighting, and completion time records.

🎮 Games
(57)
7
Diagonal Duel
Diagonal Duel
Diagonal Duel
by Brian Savidge
Free

Play a rotated version of a popular board game, similar to Connect Four, against a computer or opponents on the same device or online. Challenge yourself in ranked games, select a computer level, or play with a friend locally.

🎮 Games
(20)
8
Aurora Slant: Diagonal Logic
Aurora Slant: Diagonal Logic
Aurora Slant: Diagonal Logic
Nikoli Puzzle Brain Trainer
Free
🎮 Games
(1)
9
Diagonal Sudoku: Sudoku X Game
Diagonal Sudoku: Sudoku X Game
Diagonal Sudoku: Sudoku X Game
Classic Logic Number Puzzle
Free
🎮 Games
(1)
10
Diagonal Balls
Diagonal Balls
Diagonal Balls
Slant your head a bit
Free
🎮 Games
(0)
11
Diagon Jewels
Diagon Jewels
Diagon Jewels
by Aayush Shah
Free
💼 Business
(0)
12
La Diagonale
La Diagonale
La Diagonale
by Aurelien Maestracci
Free
📡 News
(0)
13
Sudoku: Classic & Variations
Sudoku: Classic & Variations
Sudoku: Classic & Variations
No ads. More fun.
Free

Challenge your mind with our classic puzzle game that tests logic and problem-solving skills. Play through various levels of difficulty and improve your mental agility. Download now and start sharpening your mind!

🎮 Games
(1K)
14
Construction Calculator A1
Construction Calculator A1
Construction Calculator A1
Construction calculator app
Free

This construction calculator app is a trusted tool for contractors, builders, and engineers, offering a range of calculators for concrete, rebar, steel, area, volume, and unit conversions, as well as professional features for estimating and reporting. Download now and start estimating like a pro with a suite of tools to streamline your construction calculations and project management.

📊 Productivity
(11)
15
REXER:Diagonal Strategy
REXER:Diagonal Strategy
REXER:Diagonal Strategy
Board Game for Up to 4 Players
Free
🎮 Games
(0)
16
Diagon Alley Malta
Diagon Alley Malta
Diagon Alley Malta
Diagon Alley Malta
Free
🛍️ Shopping
(0)
17
Vectors and Planes
Vectors and Planes
Vectors and Planes
3D Geometry Visual Guide
Free

This interactive 3D visual guide helps users understand and explore linear and quadric structures, their intersections, and combinations, providing step-by-step calculations and algorithms. Explore and visualize complex geometric concepts with interactive 3D graphs and discover how different structures intersect and relate to each other.

📚 Education
(4)
18
MON PROJET DIAGONALE
MON PROJET DIAGONALE
MON PROJET DIAGONALE
by Unlatch
Free
💼 Business
(0)
19
Sudoku X4U
Sudoku X4U
Sudoku X4U
by Magnolia Heights Research and Development.
Free

Experience the ultimate Sudoku experience with this versatile app offering four game modes, including classic, jigsaw, and X variations, with six levels of difficulty and a user-friendly interface. Try it now and enjoy unlimited puzzles, album storage, and various tools to enhance your Sudoku solving pleasure.

🎮 Games
(31)
20
Drawing with Math
Drawing with Math
Drawing with Math
Vector and Pixel Art
Free

This application combines powerful image editing tools with mathematical transformations, allowing users to create and manipulate vector and pixel art. Users can edit images, apply linear transformations, and compress pixelated images, with mathematical context provided to enhance understanding and learning.

📚 Education
(2)

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