Best apps like Trigr - Trigonometry Solver

10+ similar apps compared and reviewed

4.1 avg rating
4 free apps
Updated July 2026

Trigr is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Trigr

Angle Converter#1

Angle Converter by Anna Filobok

For degrees, minutes, seconds
Editor's Choice
🔧 Utilities
4.3(4 ratings)
$1.99
Angle Converter screenshot 1
Angle Converter screenshot 2

Easily convert angles between various units including degrees, radians, arcminutes, arcseconds, and gradians. This tool is designed for professionals and enthusiasts who need quick and accurate angle conversions.

Flange Hole Marker Calculator#2

Flange Hole Marker Calculator by Kantaben Gorasiya

Flange Hole Marker
Strong Contender
🔧 Utilities
5.0(1 ratings)
$3.99
Flange Hole Marker Calculator screenshot 1
Flange Hole Marker Calculator screenshot 2
Flange Hole Marker Calculator screenshot 3
Flange Hole Marker Calculator screenshot 4
Flange Hole Marker Calculator screenshot 5

This engineering tool accurately calculates and marks bolt hole positions on flanges for machinists and fabricators. It offers features for equispaced, angle-based, and equivalent hole counts, saving time and reducing manual errors in workshop settings.

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MR Mietpark
MR Mietpark
MR Mietpark
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File transfer between mobiles
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Easily exchange files and folders between multiple phones wirelessly. View transfer progress, open files within the app, and manage your local file system. Supports various file types and offers customization options for a personalized experience.

Wireless file and folder exchange between phonesView transfer progressOpen files within the app
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6
Geometry Calculator - Triangle
Geometry Calculator - Triangle
Geometry Calculator - Triangle
Angle, area, volume solver
$3.99

Perform a wide range of geometric calculations for various shapes including triangles, rectangles, circles, and prisms. Features an intuitive interface with instant recalculations and interactive visualizations. Customize units and decimal places for precise results.

Calculate angles, sides, perimeter, and areaSupports triangles, rectangles, circles, spheres, cones, trapezoids, parallelograms, cylinders, and rectangular prismsInstant recalculations based on input
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7
SnapFill - Fast Bill Of Sales
SnapFill - Fast Bill Of Sales
SnapFill - Fast Bill Of Sales
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8
Trigonometry Calculator SinCos
Trigonometry Calculator SinCos
Trigonometry Calculator SinCos
Triangle Area Calculator
$1.99

This app calculates sides, angles, and area for right-angled triangles. It also computes various trigonometric functions and provides a comprehensive collection of trigonometric formulas and laws.

Right triangle solverTrigonometric function calculatorFormulas and laws collection
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9
Concrete Calculator ·
Concrete Calculator ·
Concrete Calculator ·
Feet Inch Construction Measure
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10
查快递-好用的快递助手
查快递-好用的快递助手
查快递-好用的快递助手
by 祥琦 孔
$0.99

This app provides real-time tracking for numerous domestic and international shipping companies. It supports major e-commerce platforms and offers notifications for status updates. You can also find contact information for nearby shipping services.

Real-time shipping data synchronizationSupport for major carriersE-commerce package tracking
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paid