# 海大e卡通 vs s

The clearest difference is update cadence: s at every 2 months against 海大e卡通's every 6 months. 海大e卡通's advantage is iOS requirement (9.0 vs 12.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 1.0 for 海大e卡通 against 1.0 for s. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

海大e卡通 ships an update every 6 months, s every 2 months. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 海大e卡通 | s |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/e/id1434827730/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/s-airbag/id1466590101/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 108 MB | 60 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京新中新诚通信息技术股份有限公司](https://appshunter.io/developer/736575065) | [Guangzhou S-Airbag Technology Co.,Ltd.](https://appshunter.io/developer/1466590100) |

## 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


### s

[App page](https://appshunter.io/ios/app/s-airbag/id1466590101)

Locate smart devices, plan routes, and monitor your step count. Receive SOS alerts and check the status of your connected wearables. Designed to work seamlessly with the company's smart wearable products.

**Highlights:** Smart device location, Route planning, Step count tracking, SOS alerts, Device status monitoring

**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 s free?

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

### Which has better reviews, 海大e卡通 or s?

海大e卡通 and s are both rated 1.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do 海大e卡通 or s have ads?

Neither 海大e卡通 nor s shows ads.

### Which is updated more often, 海大e卡通 or s?

海大e卡通 ships an update every 6 months, and s every 2 months. Most recently, 海大e卡通 was updated on October 11, 2026 and s on September 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*