# Mapster vs Savvy Navvy

The clearest difference is update cadence: Savvy Navvy at weekly against Mapster's every 14 months. Savvy Navvy also leads on ratings volume (8.4K vs 15) and chart position (#61 vs unranked). Mapster's advantage is rating (4.9 vs 4.7) and review sentiment (62% vs 53%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Mapster sells 2 one-off in-app purchases and Savvy Navvy sells 10 in-app purchases, starting at $99.00 per year. Whichever you choose, the download price is not the number that matters.

Mapster holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Savvy Navvy has 8.4K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 62% of Mapster's written reviews are positive against 53% of Savvy Navvy's.

Mapster ships an update every 14 months, Savvy Navvy weekly. Both last shipped on October 26, 2026.

## The numbers

| Metric | Mapster | Savvy Navvy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (15 ratings)](https://appshunter.io/ios/app/mapster/id409304946/reviews)** | [4.7 (8.4K ratings)](https://appshunter.io/ios/app/savvy-navvy-boat-navigation/id1479182650/reviews) |
| Number of ratings | 15 | **8.4K** |
| Positive reviews | **62.1% of reviews** | 53.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#61** |
| Size | 11 MB | 156 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Syzygy Research & Technology Ltd.](https://appshunter.io/developer/409047387) | [savvy navvy](https://appshunter.io/developer/1305055457) |

## What reviewers say

### Mapster

[App page](https://appshunter.io/ios/app/mapster/id409304946)

Explore the Earth with detailed offline maps featuring topographical hillshading and contour lines. Discover hiking trails, ski runs, and geographical features, even without an internet connection. Access up-to-date information from OpenStreetMap for navigation and exploration.

**Highlights:** Detailed topographical maps, Offline map access, Hillshading and contour lines, OpenStreetMap data integration, Real-time location tracking, Monthly map updates

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited downloads for 30 days | $1.99 | one-time |
| Unlimited downloads for 1 Year | $9.99 | one-time |

**What reviewers like**

- 🌍 Works offline without cell service
- 🗺️ Highly detailed maps for remote areas
- 📍 Accurate location tracking
- 🌲 Excellent for off-road and bush navigation
- 👍 Easy to use and simple interface

**What reviewers complain about**

- 📉 Data can be old
- 😵 Text hard to read at highest detail
- ❓ No key for map symbols
- 🔵 Cannot turn off location circle
- 😩 Too many nag screens

**Reported bugs**

- Crashes continuously
- Cannot search for locations
- Crashes a lot more with latest iOS 6
- Doesn't allow a dropped pin to read an elevation
- Map shifts to wrong layout when zooming

**Requested features**

- Street view
- 3D aspect on buildings
- Team up with Google maps for details
- More contour readings
- Searchable placemarks


### Savvy Navvy

[App page](https://appshunter.io/ios/app/savvy-navvy-boat-navigation/id1479182650)

**Currently charting:** #61 Top Grossing · Navigation, #121 Top Free · Navigation (US App Store)

This app provides comprehensive marine navigation, integrating charts, weather, tides, and GPS tracking. It simplifies route planning and offers real-time safety data to ensure confident and enjoyable time on the water for various boating activities.

**Highlights:** Clutter-free nautical charts, Smart route planning with weather and tide integration, Real-time GPS tracking, Departure scheduler, AIS data for vessel tracking, Marine weather forecasts, Tide and current information, Marina and anchorage finder

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $99.00 | per year |
| Premium | $99.00 | per year |
| Premium (US-only charts) | $99.00 | per year |
| Premium | $99.00 | per year |
| Premium (US-only charts) | $129.00 | per year |
| Premium (US-only charts) | $129.00 | per year |
| Elite (with Denmark) | $129.00 | per year |
| Premium Plus (global charts) | $129.00 | per year |
| Premium Plus (global charts) | $169.00 | per year |
| Premium Plus (global charts) | $169.00 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for navigation
- 🌊 Accurate charts and data
- 💡 Useful features like weather and tide info
- 👍 Great for planning routes

**What reviewers complain about**

- 🐛 Buggy and crashes
- 💰 Expensive subscription
- 🗺️ Missing chart data for some areas
- 🤔 Confusing to set up
- 🔋 Drains battery quickly

**Reported bugs**

- App freezes or becomes unresponsive
- Inaccurate weather and tide information
- Issues with syncing data across devices
- Problems with downloading charts and maps

**Requested features**

- Add more chart coverage for different regions
- Improve route planning and navigation features
- Allow offline use without internet connection
- Integrate with other boating apps and devices
- Provide more customization options


## Frequently asked questions

### Is Mapster free?

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

### Is Savvy Navvy free?

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

### Which has better reviews, Mapster or Savvy Navvy?

Mapster is rated higher. Mapster averages 4.9 out of 5 from 15 ratings, while Savvy Navvy averages 4.7 from 8.4K ratings.

### Do Mapster or Savvy Navvy have ads?

Neither Mapster nor Savvy Navvy shows ads.

### Which is updated more often, Mapster or Savvy Navvy?

Mapster ships an update every 14 months, and Savvy Navvy weekly. Most recently, Mapster was updated on October 26, 2026 and Savvy Navvy 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.*