Comparison

Circle Coordinate Calculator vs Positional Encoding

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

Head to head
About

Circle Coordinate Calculator

Features
Read full description

Circle Coordinate Calculator is a powerful trigonometry tool that helps you instantly find unit circle coordinates, sine and cosine values, slopes, and line equations from any angle. Perfect for students, teachers, engineers, and anyone learning trigonometry, this app visualizes the unit circle and calculates results in real time with an interactive canvas. Unit Circle Calculator Enter any angle and instantly calculate: • sin(θ) and cos(θ) coordinates • x and y values on the unit circle • Slope (m) of the line from origin • Equation of the line (y = mx) • Coordinates at different distances from the origin All results update instantly and can be copied with one tap. Live Interactive Visualization Understand trigonometry visually with a dynamic canvas. • Real-time unit circle rendering • Drag the point to change the angle • Pinch to zoom and pan the canvas • See angles, coordinates, and slopes update instantly • Optional labels and grid display Perfect for learning how sine and cosine change as the angle moves around the circle. Step-by-Step Math Solutions Enable step-by-step explanations to see how the results are calculated. Helpful for: • Homework • Exam preparation • Understanding trigonometric formulas Reference Guide Includes a built-in math reference explaining: • Unit Circle theory • Sine and cosine relationships • Line slope formula • Equation of a straight line Clean and Modern Interface • Light Mode and Dark Mode support • Fast and simple interface • Works great on iPhone and iPad The unit circle is a circle centered at the origin with a radius of 1 unit. It is represented by the equation: x² + y² = 1 The values of x and y are determined using trigonometric functions: x = sin θ y = cos θ Therefore, the values of sin θ and cos θ must be such that the sum of their squares equals 1. The Slope (m): m = change in y / change in x Equation of a straight line: y = mx Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

About

Positional Encoding

Read full description

This is an educational App for readers interested in the sin/cos encoding of the token positions in large language models (LLM). Play with this App to acquire a deeper understanding of the positional encoder as it was described in the famous *Attention is All You Need* paper. In particular the App shows how the correlation between two positional vectors depends only on the distance between the corresponding two integer position.

Screenshots

Circle Coordinate Calculator4 screens
Positional Encoding2 screens

Verdict

The call

The clearest difference is price: Positional Encoding at Free against Circle Coordinate Calculator's $2.99. Positional Encoding also leads on update cadence (monthly vs every 23 months). On ads, in-app purchases, device support and iOS requirement 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

CostPrice ¡ In-app purchases ¡ Ads ¡ Monetization

Positional Encoding is free to download; Circle Coordinate Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Circle Coordinate Calculator ships an update every 23 months, Positional Encoding monthly. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

Scorecard2 real differences ¡ 4 level
Circle Coordinate Calculator versus Positional Encoding: the parameters behind the verdict, then further details
ParameterCircle Coordinate CalculatorPositional Encoding
Price$2.99Free — better
Update frequencyEvery 23 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.6 — better18.5
Further details — not scored
Size1 MB2 MB
Age rating4+4+
DeveloperHeng Jia Liangcarl nohre

In-app purchases

None

Circle Coordinate Calculator

No in-app purchases

None

Positional Encoding

No in-app purchases

Questions

Is Circle Coordinate Calculator free?
Circle Coordinate Calculator costs $2.99, with no in-app purchases.
Is Positional Encoding free?
Positional Encoding is free to download, with no in-app purchases.
Do Circle Coordinate Calculator or Positional Encoding have ads?
Neither Circle Coordinate Calculator nor Positional Encoding shows ads.
Which is updated more often, Circle Coordinate Calculator or Positional Encoding?
Circle Coordinate Calculator ships an update every 23 months, and Positional Encoding monthly. Most recently, Circle Coordinate Calculator was updated on September 18, 2026 and Positional Encoding on September 9, 2026.

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