# C vs VesselView Mobile

The clearest difference is rating: C at 4.5 against VesselView Mobile's 3.1. C also leads on ratings volume (2.3K vs 146) and chart position (#90 vs unranked). VesselView Mobile's advantage is in-app purchases (none vs 11) and iOS requirement (10.0 vs 15.1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. C sells 10 in-app purchases, starting at $1.99 per month. VesselView Mobile asks for nothing beyond the download.

C holds the better App Store score, 4.5 against 3.1. That said, the two scores are not equally well evidenced: C has 2.3K ratings behind it against 146, so its average is the more settled of the two. Written reviews point the same way: 51% of C's written reviews are positive against 47% of VesselView Mobile's.

C ships an update every 6 weeks, VesselView Mobile every 3 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | C | VesselView Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2.3K ratings)](https://appshunter.io/ios/app/c-map-boating/id967289980/reviews)** | [3.1 (146 ratings)](https://appshunter.io/ios/app/vesselview-mobile/id1167532720/reviews) |
| Number of ratings | **2.3K** | 146 |
| Positive reviews | **51.0% of reviews** | 46.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#90** | — |
| Size | 169 MB | 96 MB |
| Requires iOS | 15.1 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Navico Norway AS](https://appshunter.io/developer/842162153) | [Mercury Marine LLC](https://appshunter.io/developer/1777822540) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-map-boating/id967289980)

**Currently charting:** #90 Top Grossing · Navigation (US App Store)

Access up-to-date nautical charts for global exploration and planning. Save points of interest and routes, record tracks, and view marine weather. Upgrade for offline maps, GPS, and advanced features like shaded relief and AIS.

**Highlights:** Free chart viewer, Autorouting, Personal waypoints, Track recording, Marine weather forecasts, Offline map downloads, High-resolution bathymetry

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Embark Advanced Weather | $1.99 | per month |
| Embark Offline Maps USA | $2.49 | per month |
| Annual Subscription | $14.99 | per year |
| Annual subscription | $14.99 | per year |
| Region | $18.99 | per year |
| North America | $23.49 | per year |
| Maps Lakes South East USA | $25.99 | per year |
| Annual Subscription | $29.99 | per year |
| Caribbean | $32.99 | per year |
| Maps USA East Coast & Bahamas | $39.99 | per year |

**What reviewers like**

- 🚀 Accurate maps and charts
- 👍 Easy to use and intuitive
- 📍 Helpful for planning trips and routes
- 🛳️ Useful for both professionals and beginners
- ⚙️ Detailed features like shaded relief and weather info

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- ⚠️ Unreliable GPS tracking and location updates
- 🔌 Offline maps and features not working as expected
- 🤔 Confusing or missing functionality (e.g. route editing)
- 💸 Expensive subscription, not worth the cost

**Reported bugs**

- App crashes when trying to save tracks or routes
- Offline maps fail to download or disappear
- Depth/contour data inaccurate or not displaying properly
- Login and authentication issues preventing access

**Requested features**

- Add mast height/clearance feature
- Improve AIS integration and functionality
- Allow more customization of map views and data
- Provide better customer support and communication


### VesselView Mobile

[App page](https://appshunter.io/ios/app/vesselview-mobile/id1167532720)

Monitor your Mercury Marine SmartCraft® engine data in real-time, track fuel consumption, and receive maintenance alerts. Connect wirelessly for full functionality or use basic tools like a speedometer and map without the module.

**Highlights:** Live engine data monitoring, Fuel usage tracking, Fault alerts and descriptions, Maintenance reminders, Speedometer tool, Map with points of interest, Location-tagged moment capture

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📊 Comprehensive engine data display
- 🎯 Easy setup and installation
- ⚡ Fast synchronization with module
- 🔧 Useful for maintenance tracking
- 💰 Cost-effective alternative to analog gauges

**What reviewers complain about**

- 🐛 Frequent Bluetooth disconnection issues
- 📵 iOS compatibility problems (especially iOS 18)
- 🔌 Unreliable connection stability
- ❌ Limited engine data from expensive module
- 🎨 Basic, outdated interface design

**Reported bugs**

- App won't connect after iOS updates
- Bluetooth disconnects constantly
- App crashes on startup
- Touchpad unresponsive after iOS 18
- Freezes when opening or switching apps

**Requested features**

- Landscape/portrait orientation support
- Trim and tilt angle display
- Dial/analog gauge options
- Apple Watch app integration
- Simulation mode for setup


## Frequently asked questions

### Is C free?

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

### Is VesselView Mobile free?

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

### Which has better reviews, C or VesselView Mobile?

C is rated higher. C averages 4.5 out of 5 from 2.3K ratings, while VesselView Mobile averages 3.1 from 146 ratings.

### Do C or VesselView Mobile have ads?

Neither C nor VesselView Mobile shows ads.

### Which is updated more often, C or VesselView Mobile?

C ships an update every 6 weeks, and VesselView Mobile every 3 months. Most recently, C was updated on September 23, 2026 and VesselView Mobile on September 20, 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.*