Cartesian Coordinate System vs Trgnmtry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cartesian Coordinate System
Learn the Cartesian Coordinate System with interactive tutorials and practice exercises. Explore historical context, visualize concepts with examples, and test your knowledge through engaging tasks and drawing activities. Track your learning progress with detailed results.
- Historical information on coordinate systems
- Interactive demonstrations with examples
- Randomly generated coordinate plane tasks
- Picture drawing using coordinate points
- Progress tracking and results view
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Learning Cartesian Coordinate System is easy. Get a nice tutorial right now! This is a TabBar application with five Views: Info, Demo, Tasks, Pictures, and Results. Info View will give you some historical information about the development of the Coordinate System. Demo View will provide an explanation of the Cartesian Coordinate System using a few examples. Tasks View will randomly generate points on Coordinate Plane. Students should write the abscissa and ordinate of the generated point. Pictures View will guide the students to draw pictures using points on the coordinate plane. Results View will show the student's progress in the learning Coordinate System. See screenshots below!
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.
- Interactive unit circle
- Visualize trigonometric measures
- Customizable angle intervals
- Supports light and dark mode
- Geometric relation display
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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!
Screenshots
Verdict
The clearest difference is review sentiment: Cartesian Coordinate System at 67% against Trgnmtry's 0%. Cartesian Coordinate System also leads on update cadence (every 9 months vs every 21 months) and iOS requirement (14.0 vs 17.0). Trgnmtry's advantage is monetization model (free vs paid). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Cartesian Coordinate System ships an update every 9 months, Trgnmtry every 21 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.
| Parameter | Cartesian Coordinate System | Trgnmtry |
|---|---|---|
| Price | $0.99 — better | — |
| Rating | — | 3.0 (4 ratings) — better |
| Positive reviews | 66.7% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 9 months — better | Every 21 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Iurie Guzun | Andrew McKnight |
Customer experience
Cartesian Coordinate System
Trgnmtry
In-app purchases
Cartesian Coordinate System
No in-app purchases
Trgnmtry
No in-app purchases
Questions
Is Cartesian Coordinate System free?
Is Trgnmtry free?
Do Cartesian Coordinate System or Trgnmtry have ads?
Which is updated more often, Cartesian Coordinate System or Trgnmtry?
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