# マリンコンパス vs Ship Tracker

The clearest difference is update cadence: マリンコンパス at every 2 weeks against Ship Tracker's every 6 weeks. マリンコンパス also leads on iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. マリンコンパス sells 3 in-app purchases, starting at $2.99 per month and Ship Tracker sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

マリンコンパス ships an update every 2 weeks, Ship Tracker every 6 weeks. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | マリンコンパス | Ship Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Freemium | — |
| Size | 94 MB | 56 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [INFCAM CORPORATION](https://appshunter.io/developer/1281922536) | [APPMERGE TEKNOLOJI LIMITED SIRKETI](https://appshunter.io/developer/1822845284) |

## What reviewers say

### マリンコンパス

[App page](https://appshunter.io/ios/app/id1467659960)

Share your sea voyage plans and real-time location with family, friends, or fellow boaters. Access marine information like coastal facilities and depth contours. Offers premium navigation features for enhanced safety and planning.

**Highlights:** Share voyage plans and location, Group sharing with family/friends, Marina and mooring facility network, Display marine information on map, Register departure/arrival reports, Premium navigation features

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| マリンコンパス フィッシャーマンズ版 | $2.99 | per month |
| マリンコンパス プロフェッショナル航海版 | $5.99 | per month |
| マリンコンパスプレミアム年額プラン | $34.99 | per year |


### Ship Tracker

[App page](https://appshunter.io/ios/app/ship-tracker-ais-map/id6763819005)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pro | $4.99 | per 7 days |
| Weekly Pro | $4.99 | per 7 days |
| Premium Pro | $7.99 | per 7 days |
| Premium Pro | $9.99 | per 7 days |
| Premium Access | $29.99 | per year |
| Yearly Pro | $39.99 | per year |


## Frequently asked questions

### Is マリンコンパス free?

マリンコンパス is free to download, with in-app purchases available.

### Is Ship Tracker free?

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

### Do マリンコンパス or Ship Tracker have ads?

Neither マリンコンパス nor Ship Tracker shows ads.

### Which is updated more often, マリンコンパス or Ship Tracker?

マリンコンパス ships an update every 2 weeks, and Ship Tracker every 6 weeks. Most recently, マリンコンパス was updated on October 15, 2026 and Ship Tracker on October 21, 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.*