# Aisea vs SEAKER TRACKER

The clearest difference is in-app purchases: Aisea at none against SEAKER TRACKER's 5. Aisea also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SEAKER TRACKER sells 5 in-app purchases, starting at $65.99 per year. Aisea asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on September 10, 2026.

## The numbers

| Metric | Aisea | SEAKER TRACKER |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 89 MB | 28 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aidea Inc.](https://appshunter.io/developer/1454632788) | [HMDT Co., Ltd.](https://appshunter.io/developer/293996377) |

## What reviewers say

### Aisea

[App page](https://appshunter.io/ios/app/aisea-sailing-support-app/id1454632789)

This navigation app enhances maritime safety by displaying nearby vessel movements and potential collision risks. It also allows users to report hazards, review past voyages, and manage fleets. Communicate with nearby users directly through the app.

**Highlights:** AIS vessel tracking and collision alerts, Map editor for reporting hazards, Voyage playback and analysis, Fleet management tools, In-app Push-To-Talk communication

**In-app purchases:** none


### SEAKER TRACKER

[App page](https://appshunter.io/ios/app/seaker-tracker/id1538676180)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 個人向けプラン | $65.99 | per year |
| ファミリープラン | $189.99 | per year |
| プロフェッショナルプラン | $299.99 | per year |
| ショッププラン | $899.99 | per year |
| SEAKERデバイスの個別追加 | $46.99 | one-time |


## Frequently asked questions

### Is Aisea free?

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

### Is SEAKER TRACKER free?

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

### Do Aisea or SEAKER TRACKER have ads?

Neither Aisea nor SEAKER TRACKER shows ads.

### Which is updated more often, Aisea or SEAKER TRACKER?

Aisea ships an update every 3 weeks, and SEAKER TRACKER every 3 weeks. Most recently, Aisea was updated on September 10, 2026 and SEAKER TRACKER on September 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.*