# HMM e vs Meridian Nav

The clearest difference is price: HMM e at Free against Meridian Nav's $0.99. Meridian Nav's advantage is update cadence (every 6 days vs every 5 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

HMM e is free to download; Meridian Nav costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HMM e ships an update every 5 months, Meridian Nav every 6 days. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | HMM e | Meridian Nav |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | — | Paid |
| Size | 44 MB | 36 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [HMM Corp. Ltd.](https://appshunter.io/developer/1778622125) | [SEUNGHYEOK CHOI](https://appshunter.io/developer/6774504788) |

## What reviewers say

### HMM e

[App page](https://appshunter.io/ios/app/hmm-e-service/id6737967898)

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

**In-app purchases:** none


### Meridian Nav

[App page](https://appshunter.io/ios/app/meridian-nav/id6774504786)

This app provides comprehensive offline marine navigation tools for sailors. It offers GPS tracking, offline chart display, route management, and various celestial and navigational calculations. All features are accessible without an internet connection.

**Highlights:** Offline GPS position monitoring, Offline chart and waypoint display, .rtz route import and management, Navigation calculations, Celestial body data, Sun/moon event times

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

**In-app purchases:** none


## Frequently asked questions

### Is HMM e free?

HMM e is free to download, with no in-app purchases.

### Is Meridian Nav free?

Meridian Nav costs $0.99, with no in-app purchases.

### Do HMM e or Meridian Nav have ads?

Neither HMM e nor Meridian Nav shows ads.

### Which is updated more often, HMM e or Meridian Nav?

HMM e ships an update every 5 months, and Meridian Nav every 6 days. Most recently, HMM e was updated on November 8, 2026 and Meridian Nav on November 10, 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.*