# eSeaPass考船易 vs 海之家課程 Sea Dynamics Course

The clearest difference is update cadence: eSeaPass考船易 at every 4 months against 海之家課程 Sea Dynamics Course's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. eSeaPass考船易 sells 5 one-off in-app purchases and 海之家課程 Sea Dynamics Course sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

eSeaPass考船易 ships an update every 4 months, 海之家課程 Sea Dynamics Course every 8 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | eSeaPass考船易 | 海之家課程 Sea Dynamics Course |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Size | 35 MB | 40 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [J Corporation HK Limited](https://appshunter.io/developer/1655135971) | [Sea Dynamics](https://appshunter.io/developer/1676724147) |

## What reviewers say

### eSeaPass考船易

[App page](https://appshunter.io/ios/app/eseapass/id6444527495)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 铜级用户 | $9.99 | one-time |
| 银级用户 | $19.99 | one-time |
| 金级用户 | $39.99 | one-time |
| 星级用户 | $99.99 | one-time |
| 星級用戶 | $99.99 | one-time |


### 海之家課程 Sea Dynamics Course

[App page](https://appshunter.io/ios/app/sea-dynamics-course/id6470789318)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Local Knowledge, EN, 3 Months | $399.99 | one-time |
| Grade 2A,English, 2 months | $399.99 | one-time |
| Grade 2B,English, 2 months | $399.99 | one-time |
| 二級操作人甲部,粵語繁體, 二個月 | $399.99 | one-time |
| 二級操作人乙部,粵語繁體, 二個月 | $399.99 | one-time |
| Grade 2 Part A&B, EN, 3 months | $799.99 | one-time |
| 二級操作人(甲部+乙部), 粵語繁體, 3個月 | $799.99 | one-time |


## Frequently asked questions

### Is eSeaPass考船易 free?

eSeaPass考船易 is free to download, with in-app purchases available.

### Is 海之家課程 Sea Dynamics Course free?

海之家課程 Sea Dynamics Course is free to download, with in-app purchases available.

### Do eSeaPass考船易 or 海之家課程 Sea Dynamics Course have ads?

Neither eSeaPass考船易 nor 海之家課程 Sea Dynamics Course shows ads.

### Which is updated more often, eSeaPass考船易 or 海之家課程 Sea Dynamics Course?

eSeaPass考船易 ships an update every 4 months, and 海之家課程 Sea Dynamics Course every 8 months. Most recently, eSeaPass考船易 was updated on October 27, 2026 and 海之家課程 Sea Dynamics Course on October 25, 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.*