# C vs Lake Champlain

The clearest difference is review sentiment: C at 51% against Lake Champlain's 0%. C also leads on price (Free vs $2.99) and update cadence (every 6 weeks vs every 26 months). Lake Champlain's advantage is in-app purchases (none vs 11) and iOS requirement (9.0 vs 15.1). On ads, chart position and device support there is nothing between them.

C is free to download; Lake Champlain costs $2.99 up front. C sells 10 in-app purchases, starting at $1.99 per month. Lake Champlain asks for nothing beyond the download.

C ships an update every 6 weeks, Lake Champlain every 26 months. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | C | Lake Champlain |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.5 (2.3K ratings)](https://appshunter.io/ios/app/c-map-boating/id967289980/reviews)** | — |
| Number of ratings | **2.3K** | — |
| Positive reviews | **51.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 26 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#101** | #154 |
| Size | 169 MB | 120 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Navico Norway AS](https://appshunter.io/developer/842162153) | [Vishwam B](https://appshunter.io/developer/1068325932) |

## What reviewers say

### C

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

**Currently charting:** #101 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


### Lake Champlain

[App page](https://appshunter.io/ios/app/lake-champlain-boating-map/id1094847714)

**Currently charting:** #154 Top Paid · Navigation (US App Store)

This app provides advanced marine raster nautical charts for various water activities. It offers seamless chart overlays, offline map display, and GPS tracking for easy navigation. Users can also add favorite markers and find points of interest.

**Highlights:** Advanced marine raster nautical charts, Seamless chart overlays, Offline chart display, GPS tracking, Unlimited favorite markers, Distance measurement, Points of interest search

**In-app purchases:** none


## Frequently asked questions

### Is C free?

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

### Is Lake Champlain free?

Lake Champlain costs $2.99, with no in-app purchases.

### Do C or Lake Champlain have ads?

Neither C nor Lake Champlain shows ads.

### Which is updated more often, C or Lake Champlain?

C ships an update every 6 weeks, and Lake Champlain every 26 months. Most recently, C was updated on October 13, 2026 and Lake Champlain on October 4, 2026.

### Which is more popular, C or Lake Champlain?

C currently peaks at #101 in the App Store charts, and Lake Champlain at #154. Chart position reflects recent download velocity rather than total install base.

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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.*