10 Best Triangle Solver Free Alternatives: Apps Like Triangle Solver Free for iPhone (2026)

Top Alternatives to Triangle Solver Free

Right Angle by Jerry Mayers

Triangles, trapezoids, circles

Editor's Choice

📊 Productivity

3.9😞(30 ratings)

FreeIn-App Purchases

This app calculates triangles and segments of circles. It supports various angle input formats and offers solutions for oblique triangles and circle segments with optional add-ons. A right triangle calculator is included for free.

What We Love

👍 Easy to use
🚀 Saves time
🛠️ Useful for construction/trades
📐 Accurate calculations
💡 Unique functionality (historically)
💰 Good value (historically)
✅ Works flawlessly (historically)
🔧 Helpful for various calculations (roofing, joinery, etc.)
📱 Handy on the go
🌟 Long-term user satisfaction (historically)

Room to Improve

🐛 Recent updates removed key features
🐛 In-app purchases required for previously free features
🐛 Loss of purchase after update
🐛 App now requires payment for features
🐛 Misleading free app description
🐛 Removed fraction support
🐛 Removed feet and inches support
🐛 Only provides one angle now (previously two)
🐛 Keyboard hides input fields
🐛 Inaccurate calculations (historically)
🐛 Not worth the in-app purchases (historically)
🐛 Missing metric units (historically)
🐛 Rounds angles, generating wrong answers (historically)
🐛 Crashes after startup (historically)
🐛 Update issues leading to crashes (historically)

Figure calculator ShapeInfo by Noriyasu Kutsuzawa

Geometric shape calculator

Strong Contender

📊 Productivity

4.7(143 ratings)

FreeAds

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Easily calculate lengths, angles, and areas of various geometric shapes. Input known values and instantly get precise results for a wide range of 2D and 3D figures. Ideal for students and engineers needing quick geometric computations.

AngleCalculator by EIICHI KOMINE

Angle conversion & calculation

Worth Considering

📊 Productivity

4.6(87 ratings)

FreeAds

This app simplifies angle calculations and conversions. It handles degrees, minutes, and seconds (DMS) for applications in construction, surveying, and GPS. Perform conversions, mixed calculations, and track your history.