# Compass 55. Map & GPS kit. vs fDeck

The clearest difference is ratings volume: Compass 55. Map & GPS kit. at 1.6K against fDeck's 329. On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Compass 55. Map & GPS kit. sells 3 in-app purchases, starting at $1.99 per month and fDeck sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Compass 55. Map & GPS kit. against 4.8 for fDeck. Both are backed by a comparable volume of ratings — 1.6K and 329 respectively. Written reviews split almost evenly too, at 91% and 90% positive.

Compass 55. Map & GPS kit. ships an update monthly, fDeck every 3 weeks. Both last shipped on October 26, 2026.

## The numbers

| Metric | Compass 55. Map & GPS kit. | fDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.6K ratings)](https://appshunter.io/ios/app/compass-55-map-and-gps-kit/id1120906807/reviews) | **[4.8 (329 ratings)](https://appshunter.io/ios/app/fdeck-flight-instruments/id1265762347/reviews)** |
| Number of ratings | **1.6K** | 329 |
| Positive reviews | **90.8% of reviews** | 90.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 89 MB | 141 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kalimex-Consulting s.r.o. @Blocoware & Stanislav Dvoychenko](https://appshunter.io/developer/1038944802) | [Darren Yeates](https://appshunter.io/developer/1265762346) |

## What reviewers say

### Compass 55. Map & GPS kit.

[App page](https://appshunter.io/ios/app/compass-55-map-and-gps-kit/id1120906807)

This navigation app offers a comprehensive suite of tools for land, air, and marine use. It includes a detailed map, compass, GPS coordinates, altitude, distance, speed tracking, and route planning. Advanced features like offline maps, GPS track recording, and sensor integration are available through an upgrade.

**Highlights:** GPS coordinates in 6 formats, Advanced waypoint editor, Speedometer with speed tracking, Offline map downloads, GPS track recording and sharing, Magnetic declination calculation, Sunset and sunrise times

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro pack. | $1.99 | per month |
| Pro pack. | $9.99 | per year |
| Pro pack | $14.99 | one-time |

**What reviewers like**

- 🚀 Best Mapping and Navigation tool
- 👍 Great, simple inexpensive GPS
- 👍 Accurate GPS and navigation
- 👍 Useful for various activities
- 👍 Offline maps and navigation

**What reviewers complain about**

- 🐛 Compass direction issues
- 💡 Desire for more language support (Turkish, Polish, etc.)
- 💡 Need for more map options (Yandex, IGN, etc.)
- 💡 Improvements to interface and customization
- 💡 Difficulty with some features and learning curve

**Reported bugs**

- Issues with GPX file import and tracking
- Occasional crashes or freezes
- Inaccurate GPS positioning in some cases

**Requested features**

- Ability to download and cache more map types
- Option to show map grid coordinates
- Elevation profile for planned routes
- Apple Watch app support
- Faster map updates


### fDeck

[App page](https://appshunter.io/ios/app/fdeck-flight-instruments/id1265762347)

This app provides a comprehensive flight deck with realistic instruments for aviation enthusiasts and pilots. It includes navigation tools, real-time weather, and traffic data, functioning as both a training aid and a supplementary instrument set.

**Highlights:** Realistic flight instruments (HSI, VOR, ADF, etc.), Interactive aviation moving map, Live weather and ADS-B traffic data, Radio navigation training simulation, Worldwide aviation database, X-Plane flight simulator integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| fDeck monthly lounge access | $3.99 | per month |
| fDeck annual lounge access | $24.99 | per year |
| fDeck lifetime lounge access | $49.99 | one-time |

**What reviewers like**

- 👍 Extremely easy to use and navigate
- 💡 Comprehensive aviation instruments (compass, altimeter, VSI, attitude indicator, ADF, VOR, HSI)
- 🎯 Useful for training, learning, and practice
- ✈️ Reliable backup instrument for real flights
- 🗺️ Integrated map and flight planning features

**What reviewers complain about**

- 📺 Intrusive ads in free version (full-screen, hard to close)
- 🔄 Compass and map pointer display inverted on some devices
- 🗺️ Map loading issues and missing sectional charts
- 🔌 X-Plane simulator connection glitchy and unreliable
- 📱 No iPad split-screen support

**Reported bugs**

- Compass inverted display
- Map pointer inverted
- VOR OBS reverse sensing (TO/FROM indication incorrect)
- Maps fail to load/display
- X-Plane simulator connection unreliable

**Requested features**

- Compass horizontal configuration support (180 degrees)
- CarPlay functionality for in-vehicle navigation
- EFIS version for advanced glass cockpit simulation
- Local NOTAM integration
- CAA airspace overlay for UK users


## Frequently asked questions

### Is Compass 55. Map & GPS kit. free?

Compass 55. Map & GPS kit. is free to download, with in-app purchases available.

### Is fDeck free?

fDeck is free to download, with in-app purchases available.

### Which has better reviews, Compass 55. Map & GPS kit. or fDeck?

fDeck is rated higher. Compass 55. Map & GPS kit. averages 4.7 out of 5 from 1.6K ratings, while fDeck averages 4.8 from 329 ratings.

### Do Compass 55. Map & GPS kit. or fDeck have ads?

Neither Compass 55. Map & GPS kit. nor fDeck shows ads.

### Which is updated more often, Compass 55. Map & GPS kit. or fDeck?

Compass 55. Map & GPS kit. ships an update monthly, and fDeck every 3 weeks. Most recently, Compass 55. Map & GPS kit. was updated on October 26, 2026 and fDeck on October 26, 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.*