# Memory vs NavLink HD

The clearest difference is review sentiment: Memory at 64% against NavLink HD's 0%. Memory also leads on rating (4.5 vs 4.2) and update cadence (every 2 months vs every 5 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Memory sells 16 one-off in-app purchases and NavLink HD sells 11 in-app purchases, starting at $8.49 per year. Whichever you choose, the download price is not the number that matters.

Memory holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 52 and 11 respectively. Written reviews point the same way: 64% of Memory's written reviews are positive against 0% of NavLink HD's.

Memory ships an update every 2 months, NavLink HD every 5 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Memory | NavLink HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (52 ratings)](https://appshunter.io/ios/app/memory-map/id354675923/reviews)** | [4.2 (11 ratings)](https://appshunter.io/ios/app/navlink-hd/id1183848518/reviews) |
| Number of ratings | **52** | 11 |
| Positive reviews | **64.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 52 MB |
| Requires iOS | 11.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Memory-Map](https://appshunter.io/developer/349996087) | [DigitalYacht Ltd.](https://appshunter.io/developer/394667310) |

## What reviewers say

### Memory

[App page](https://appshunter.io/ios/app/memory-map/id354675923)

Transform your device into an outdoor GPS or marine chart plotter with detailed offline maps. Track your location even without a signal, plan routes on your computer, and analyze your adventures. Trusted by professionals for various outdoor activities.

**Highlights:** Offline Topo and Marine Charts, GPS Location Tracking, Route Planning & Measurement, GPX File Import/Export, Tracklog Recording & Analysis, NMEA/AIS Instrument Connectivity, Coordinate System Support

**Features:** Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| USGS Topo NY | $9.99 | one-time |
| USGS Topo AK | $9.99 | one-time |
| USGS Topo Atlantic | $9.99 | one-time |
| USGS Topo CA | $9.99 | one-time |
| USGS Topo New England | $9.99 | one-time |
| USGS Topo TX | $9.99 | one-time |
| USGS Topo WA | $9.99 | one-time |
| USGS Topo WV | $9.99 | one-time |
| USGS Topo AZ | $9.99 | one-time |
| USGS Topo WY | $9.99 | one-time |
| USGS Topo FL | $9.99 | one-time |
| USGS Topo GA | $9.99 | one-time |
| Import 3rd Party maps | $12.99 | one-time |
| DeLorme Topo Map CA | $19.99 | one-time |
| DeLorme Topo Map ME | $19.99 | one-time |
| Professional Features | $49.99 | one-time |

**What reviewers like**

- 🚀 Excellent for navigation
- 👍 Reliable and dependable
- 💡 Detailed topographic and marine charts
- 🗺️ Offline map access
- 🗺️ Whole country maps available

**What reviewers complain about**

- 🐛 Occasional crashes and freezes
- 🔍 Complicated licensing and map management system
- 💰 Expensive map purchases
- 🤖 Limited functionality on iOS compared to PC version
- 🗺️ Some maps are outdated

**Reported bugs**

- Tracking stops when app is in background
- Map sections disappear after device upgrades
- Unresponsive UI elements on newer iOS devices

**Requested features**

- Automatic map updates
- Easier map licensing and management across devices
- Improved route planning and tracking features
- Compass and heading orientation
- Apple CarPlay integration


### NavLink HD

[App page](https://appshunter.io/ios/app/navlink-hd/id1183848518)

Transform your Apple device into a comprehensive chart plotter for marine navigation. Access real-time GPS, AIS overlays, and route planning tools. Unlock advanced features like live internet AIS feeds and augmented reality through in-app purchases.

**Highlights:** Real-time GPS plotting, Live AIS ship overlay, Waypoint and route planning, NMEA instrument gauges, Augmented Reality HorizonView, S57 digital mapping

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weather charts | $8.49 | per year |
| Pro Features | $16.49 | per year |
| German Charts | $16.99 | per year |
| NL & BE Charts | $17.99 | per year |
| US & Great Lakes | $19.99 | per year |
| Portuguese charts | $19.99 | per year |
| French Charts | $22.99 | per year |
| Spanish Charts | $24.99 | per year |
| Croatia charts | $28.99 | per year |
| Canadian Charts | $30.99 | per year |
| Danish Charts | $36.99 | per year |


## Frequently asked questions

### Is Memory free?

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

### Is NavLink HD free?

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

### Which has better reviews, Memory or NavLink HD?

Memory is rated higher. Memory averages 4.5 out of 5 from 52 ratings, while NavLink HD averages 4.2 from 11 ratings.

### Do Memory or NavLink HD have ads?

Neither Memory nor NavLink HD shows ads.

### Which is updated more often, Memory or NavLink HD?

Memory ships an update every 2 months, and NavLink HD every 5 months. Most recently, Memory was updated on October 7, 2026 and NavLink HD on October 3, 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.*