# 海大e卡通 vs 中国海洋预报（公众版）

The clearest difference is update cadence: 中国海洋预报（公众版） at monthly against 海大e卡通's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

海大e卡通 ships an update every 6 months, 中国海洋预报（公众版） monthly. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 海大e卡通 | 中国海洋预报（公众版） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/e/id1434827730/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free | — |
| Size | 108 MB | 48 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [北京新中新诚通信息技术股份有限公司](https://appshunter.io/developer/736575065) | [National Marine Enviromental Forecasting Center](https://appshunter.io/developer/1532384187) |

## What reviewers say

### 海大e卡通

[App page](https://appshunter.io/ios/app/e/id1434827730)

This app provides a virtual campus card for university students and staff, integrating identity verification, payments, and campus services. It offers a seamless online and offline experience for managing campus life.

**Highlights:** Virtual campus card, Identity verification, Campus payments, Integrated campus services, Multi-channel payment support, Unified management

**In-app purchases:** none


### 中国海洋预报（公众版）

[App page](https://appshunter.io/ios/app/id1532384185)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 海大e卡通 free?

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

### Is 中国海洋预报（公众版） free?

中国海洋预报（公众版） is free to download, with no in-app purchases.

### Do 海大e卡通 or 中国海洋预报（公众版） have ads?

Neither 海大e卡通 nor 中国海洋预报（公众版） shows ads.

### Which is updated more often, 海大e卡通 or 中国海洋预报（公众版）?

海大e卡通 ships an update every 6 months, and 中国海洋预报（公众版） monthly. Most recently, 海大e卡通 was updated on October 11, 2026 and 中国海洋预报（公众版） on October 12, 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.*