# PRO CHARTS vs C

PRO CHARTS and C both sit at 4.5 stars, but that hides the real split: 51% of C's written reviews are positive against 17% of PRO CHARTS's. PRO CHARTS's advantage is ratings volume (8.5K vs 2.3K). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. PRO CHARTS sells 4 in-app purchases, starting at $2.99 per month and C sells 10 in-app purchases, starting at $1.99 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 — 4.5 for PRO CHARTS against 4.5 for C. Both are backed by a comparable volume of ratings — 8.5K and 2.3K respectively. Written reviews are what separate them: 17% of PRO CHARTS's written reviews are positive against 51% of C's.

PRO CHARTS ships an update every 2 months, C every 6 weeks. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | PRO CHARTS | C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8.5K ratings)](https://appshunter.io/ios/app/pro-charts-marine-navigation/id451093694/reviews)** | [4.5 (2.3K ratings)](https://appshunter.io/ios/app/c-map-boating/id967289980/reviews) |
| Number of ratings | **8.5K** | 2.3K |
| Positive reviews | 17.2% of reviews | **51.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #154 | **#104** |
| Size | 48 MB | 169 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MiraTrex, Inc.](https://appshunter.io/developer/814855898) | [Navico Norway AS](https://appshunter.io/developer/842162153) |

## What reviewers say

### PRO CHARTS

[App page](https://appshunter.io/ios/app/pro-charts-marine-navigation/id451093694)

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

Navigate marine environments with detailed nautical charts and route planning. Track your location, find friends on the water, and share your trip details for safety. Offline chart access ensures reliable navigation even without an internet connection.

**Highlights:** High-resolution NOAA nautical charts, Offline chart access, Waypoint and route creation, Buddy tracking, Float plan sharing, Point-and-steer navigation, Track recording

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Year Auto Renewing Subscription | $2.99 | per month |
| 1 Year Auto Renewing Subscription | $29.99 | per year |
| Brazil - Nautical Charts | $4.99 | one-time |
| 1 Year Subscription | $29.99 | one-time |

**What reviewers like**

- 🚀 Great for navigation
- 🗺️ Helpful for coastal areas
- 👍 Useful app overall

**What reviewers complain about**

- 🐛 Frequent crashes and glitches
- ⚠️ Subscription issues and hidden costs
- 🌐 Lacks coverage for non-US regions
- 🔒 Poor account management and support

**Reported bugs**

- Charts not loading or disappearing
- Subscription not recognized
- Login/account issues

**Requested features**

- Offline map downloads
- Depth and hazard data
- Better route planning tools


### C

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

**Currently charting:** #104 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


## Frequently asked questions

### Is PRO CHARTS free?

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

### Is C free?

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

### Which has better reviews, PRO CHARTS or C?

PRO CHARTS is rated higher. PRO CHARTS averages 4.5 out of 5 from 8.5K ratings, while C averages 4.5 from 2.3K ratings.

### Do PRO CHARTS or C have ads?

Neither PRO CHARTS nor C shows ads.

### Which is updated more often, PRO CHARTS or C?

PRO CHARTS ships an update every 2 months, and C every 6 weeks. Most recently, PRO CHARTS was updated on October 21, 2026 and C on October 20, 2026.

### Which is more popular, PRO CHARTS or C?

PRO CHARTS currently peaks at #154 in the App Store charts, and C at #104. Chart position reflects recent download velocity rather than total install base.

---

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