# Compass Note vs QuadC

The clearest difference is price: QuadC at Free against Compass Note's $2.99. QuadC also leads on update cadence (every 3 months vs every 28 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

QuadC is free to download; Compass Note costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Compass Note ships an update every 28 months, QuadC every 3 months. The most recent releases landed on June 4, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Compass Note | QuadC |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/compass-note-draw-circle/id1257452684/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 16 MB | 9 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi INAFUKU](https://appshunter.io/developer/438372899) | [TutorOcean Inc.](https://appshunter.io/developer/1480876531) |

## What reviewers say

### 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


### QuadC

[App page](https://appshunter.io/ios/app/quadc/id6466211790)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Compass Note free?

Compass Note costs $2.99, with no in-app purchases.

### Is QuadC free?

QuadC is free to download, with no in-app purchases.

### Do Compass Note or QuadC have ads?

Neither Compass Note nor QuadC shows ads.

### Which is updated more often, Compass Note or QuadC?

Compass Note ships an update every 28 months, and QuadC every 3 months. Most recently, Compass Note was updated on June 4, 2026 and QuadC on September 8, 2026.

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