# Open vs Sonic Compass

The clearest difference is price: Sonic Compass at Free against Open's $2.99. Sonic Compass also leads on rating (5.0 vs 4.0). Open's advantage is iOS requirement (12.0 vs 15.1). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

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

Sonic Compass holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Open ships an update every 22 months, Sonic Compass every 13 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | Open | Sonic Compass |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/open-map/id1417342615/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sonic-compass/id6746952992/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 13 months** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 27 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roberto Panetta](https://appshunter.io/developer/1438480110) | [AudD, LLC](https://appshunter.io/developer/1819140795) |

## What reviewers say

### Open

[App page](https://appshunter.io/ios/app/open-map/id1417342615)

Explore the world with over 60 interactive map types, offering diverse styles and up-to-date data. Easily switch between maps while preserving your position and zoom level. Ideal for cartography enthusiasts and anyone interested in varied map representations.

**Highlights:** Over 60 diverse map types, Interactive zoom and pan, Instant map switching, Preserves position and zoom, Shows user location, Optimized for iOS devices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sonic Compass

[App page](https://appshunter.io/ios/app/sonic-compass/id6746952992)

Develop an innate sense of direction with this app that uses cognitive science principles and spatial audio cues to teach you the direction of North. It offers modes for active learning, ambient awareness, and silent haptic guidance, even working in the background.

**Highlights:** Develop a sense of North, Active inference learning mode, Ambient spatial audio awareness, Silent haptic vibration guidance, High-precision spatial audio, Pocket calibration for accuracy, Background operation

**In-app purchases:** none


## Frequently asked questions

### Is Open free?

Open costs $2.99, with no in-app purchases.

### Is Sonic Compass free?

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

### Which has better reviews, Open or Sonic Compass?

Sonic Compass is rated higher. Open averages 4.0 out of 5 from 1 ratings, while Sonic Compass averages 5.0 from 1 ratings.

### Do Open or Sonic Compass have ads?

Neither Open nor Sonic Compass shows ads.

### Which is updated more often, Open or Sonic Compass?

Open ships an update every 22 months, and Sonic Compass every 13 months. Most recently, Open was updated on October 3, 2026 and Sonic Compass on October 3, 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.*