Trigonometry Toolkit by CS
ChatStick Company Limited Education iPhoneiPadiPod touch
Trigonometry Toolkit by CS is a free Education app for iPhone and iPad by ChatStick Company Limited. Requires iOS 26.0. Updated March 15, 2026.
- Price
- Free
- on the App Store
- Size
- 10 MB
- Age 4+
- Updated
- Mar 15
- 2026 · v1.0
Screenshots
About Trigonometry Toolkit by CS
Trigonometry Toolkit helps students learn faster by combining visual tools, calculators, and practice in one clean app. Core tools: • Interactive Unit Circle: Drag and explore angles, sin/cos/tan values, quadrants, reference angles, and exact values. • Right Triangle Solver: Solve sides, angles, area, and perimeter quickly. • General Triangle Solver (Premium): Solve SSS, SAS, ASA, AAS, and SSA (ambiguous case). • Degree/Radian Converter: Convert instantly in both directions. • Exact Value Finder: Check common exact trig values. • Trig Identities: Search and review identities with examples. • Graphing Tool: Plot trig functions and transformations. • Reference Angle, Coterminal, Arc Length & Sector Area calculators. Practice features: • Category-based quizzes with Easy / Medium / Hard levels. • Daily Challenge mode (5 mixed questions). • Performance insights: streak, best streak, attempts, and average accuracy. • Recent activity and continue-learning flow. Reference and study support: • Formula list with category filters and search. • Save favorites and review recent history. • Built-in reference pages for key identities and graph rules. Premium (one-time purchase): • Remove ads • General Triangle Solver • Advanced graphing options • Unlimited quizzes • Detailed explanations • Unlimited history and favorites • Access to premium identity sets and future premium updates Designed for learners, exam prep, and classroom support.
App privacy
The developer, ChatStick Company Limited, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
Used for: Third-Party Advertising
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data, Performance Data
Used for: Analytics
Alternatives to Trigonometry Toolkit by CS
Looking for apps like Trigonometry Toolkit by CS? Here are 6 similar apps on the App Store. The highest rated is Trgnmtry (3.4/5), and 5 of the 6 are free to download.
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Touch Trigonometry
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Trgnmtry
3.4
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Trigonometry 360
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Circle Coordinate Calculator
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The Unit Circle App
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Positional Encoding
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Trigonometry Toolkit by CS | – | Free | March 15, 2026 | |
| Touch Trigonometry | – | Free | Feb 11, 2026 | Compare |
| Trgnmtry | 3.4 / 5 (5) | Free | Mar 31, 2026 | Compare |
| Trigonometry 360 | – | Free | Aug 6, 2026 | Compare |
| Circle Coordinate Calculator | – | 2.99 USD | Mar 20, 2026 | Compare |
| The Unit Circle App | – | Free | Sep 15, 2025 | Compare |
| Positional Encoding | – | Free | Sep 15, 2025 | Compare |