Comparison

Trgnmtry vs Trigonometry Toolkit by CS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Trgnmtry

Explore trigonometric relationships visually by interacting with a unit circle. Customize displayed measures and angle intervals for a dynamic learning experience. Adapts beautifully to both light and dark modes.

Highlights
  • Interactive unit circle
  • Visualize trigonometric measures
  • Customizable angle intervals
  • Supports light and dark mode
  • Geometric relation display
Features
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Watch as all of the trigonometric measures are drawn in their geometric relations as you drag your finger around the unit circle. You can choose which measures to see, and set specific angle intervals that can be shown. Looks beautiful in iOS Light or Dark mode!

About

Trigonometry Toolkit by CS

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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.

Verdict

The call

The clearest difference is in-app purchases: Trgnmtry at none against Trigonometry Toolkit by CS's 1. Trgnmtry also leads on device support and iOS requirement (17.0 vs 26.0).

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

Scorecard3 real differences · 7 level
Trgnmtry versus Trigonometry Toolkit by CS: the parameters behind the verdict, then further details
ParameterTrgnmtryTrigonometry Toolkit by CS
Price—Free — better
Rating3.0 (4 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 21 months—
AdsNo—
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — better—
Requires iOS17.0 — better26.0
Further details — not scored
Size5 MB10 MB
Age rating4+4+
DeveloperAndrew McKnightChatStick Company Limited

In-app purchases

None

Trgnmtry

No in-app purchases

1 purchases

Trigonometry Toolkit by CS

One-time1
  • Unlock All Features + Remove Ads$1.99

Questions

Is Trgnmtry free?
Pricing for Trgnmtry is not currently listed on the App Store.
Is Trigonometry Toolkit by CS free?
Trigonometry Toolkit by CS is free to download, with in-app purchases available.

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