# SAT Math vs Compass Note

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.

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.

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.

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.

## The numbers

| Metric | SAT Math | Compass Note |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/sat-math-geometry-lite/id573863361/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/compass-note-draw-circle/id1257452684/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 28 months |
| Monetization | **Free** | Paid |
| Size | 14 MB | 16 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Kouichi INAFUKU](https://appshunter.io/developer/438372899) |

## What reviewers say

### SAT Math

[App page](https://appshunter.io/ios/app/sat-math-geometry-lite/id573863361)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $9.99 | one-time |


### Compass Note

[App page](https://appshunter.io/ios/app/compass-note-draw-circle/id1257452684)

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

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*