Comparison

SAT Math vs Compass Note

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

Head to head
About

SAT Math

Prepare for SAT Math: Geometry & Measurement with over 330 practice questions and detailed explanations. Track your progress with visual meters and revise specific topics to build confidence for test day.

Highlights
  • Over 330 practice questions
  • 33 revision notes
  • Mock tests with mixed topics
  • Instant feedback on answers
  • Detailed explanations for each question
  • Progress tracking with visual meters
  • Topic-specific revision
Features
Read full description

Prepare to achieve the SAT scores you need to get into the school of your choice. Get ready for the test day with this most comprehensive app on SAT Math : Geometry & Measurement. Features include: ** HIGHEST QUALITY and QUANTITY Over 330 questions and 33 revision notes in all just for Geometry & Measurement. High quality content written by experienced SAT tutors. ** MOCK TEST Mixed questions from all topics. ** INSTANT FEEDBACK Know instantly if your answer was right or wrong. ** REVIEW WITH EXPLANATION Review each question at the end of the test. Know the right answer with detailed explanation for each question. ** PROGRESS METER With our unique progress tracking feature including pie charts and bar graphs showing your progress, you know you are ready to take on the real test at the board when your progress meter says 100%. ** REVISE BY TOPIC 1. Angles in the Plane Angles Around a Point Complementary and Supplementary Angles Alternate Interior Angles Consecutive Interior Angles Corresponding Angles 2. Triangles Triangles 1 Pythagoras' Theorem Real Life Problems Using Pythagoras' Theorem Triangles 2 Congruent Triangles Similar Triangles 3. Areas & Perimeters Area & Perimeter - Rectangles Area & Perimeter - Triangles Area & Perimeter - Parallelograms Area & Perimeter - Compound Shapes 4. Quadrilaterals, Polygons & Circles Parallelograms Regular Polygons Parts of a Circle Circumference of a Circle Area of a Circle 5. Coordinate Geometry Parallel and Perpendicular Lines Line Lengths and Midpoints Geometry in the Coordinate Plane Find the Equation of a Line from its Graph 6. Transformations Symmetry - Lines, Rotational Rotation Reflection 7. Solid Geometry 3D Geometric Perception Nets Cones, Cylinders, Spheres Cuboids, Prisms, Pyramids 8. Miscellaneous 2D Geometric Perception Solving Geometry Problems Disclaimer: SAT is a registered trademark of College Board. College Board neither sponsors nor endorses this product or any of its content. * Privacy Policy: http://www.webrichsoftware.com/privacy.html * EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Compass Note

This app allows users to draw circles and other shapes using a digital compass. You can color your creations, load example models, and adjust the grid paper size for precise drawing.

Highlights
  • Draw circles with digital compass
  • Color created shapes
  • Load model examples
  • Change grid paper size
Read full description

It is an application that can draw figures using compass Drawing a circle · Tap the center of the circle you want to draw · Tap the starting point of the circle you want to draw · Drag to the end point and speak your finger to complete the shape Function · You can paint colors on the created shape · You can load a model example · You can change the size of the grid paper

Screenshots

SAT Math4 screens

Verdict

The call

The clearest difference is price: SAT Math at Free against Compass Note's $2.99. SAT Math also leads on rating (4.8 vs 2.0) and update cadence (every 10 months vs every 28 months). Compass Note's advantage is in-app purchases (none vs 1). On ads 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

SAT Math is free to download; Compass Note costs $2.99 up front. SAT Math sells 1 one-off in-app purchase. Compass Note asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SAT Math holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: SAT Math has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

SAT Math ships an update every 10 months, Compass Note every 28 months. The most recent releases landed on June 2, 2026 and June 4, 2026 respectively.

Scorecard8 real differences · 2 level
SAT Math versus Compass Note: the parameters behind the verdict, then further details
ParameterSAT MathCompass Note
PriceFree — better$2.99
Rating4.8 (5 ratings) — better2.0 (1 ratings)
Positive reviews—0.0% of reviews
Number of ratings5 — better1
Update frequencyEvery 10 months — betterEvery 28 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS15.0 — better17.6
Further details — not scored
Size14 MB16 MB
Age rating4+4+
DeveloperWebrich Software LimitedKouichi INAFUKU

Customer experience

SAT Math

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Compass Note

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

SAT Math

One-time1
  • Full Question Bank$9.99
None

Compass Note

No in-app purchases

Questions

Is SAT Math free?
SAT Math is free to download, with in-app purchases available.
Is Compass Note free?
Compass Note costs $2.99, with no in-app purchases.
Which has better reviews, SAT Math or Compass Note?
SAT Math is rated higher. SAT Math averages 4.8 out of 5 from 5 ratings, while Compass Note averages 2.0 from 1 ratings.
Do SAT Math or Compass Note have ads?
Neither SAT Math nor Compass Note shows ads.
Which is updated more often, SAT Math or Compass Note?
SAT Math ships an update every 10 months, and Compass Note every 28 months. Most recently, SAT Math was updated on June 2, 2026 and Compass Note on June 4, 2026.

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