# 暗礁笔记 vs USCampus

The clearest difference is update cadence: USCampus at every 10 days against 暗礁笔记's every 2 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.

暗礁笔记 ships an update every 2 months, USCampus every 10 days. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 暗礁笔记 | USCampus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1668526380/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 17 MB | 98 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [浩源 陈](https://appshunter.io/developer/1665506236) | [湘昭 罗](https://appshunter.io/developer/6812683755) |

## What reviewers say

### 暗礁笔记

[App page](https://appshunter.io/ios/app/id1668526380)

**Features:** Apple Watch app

**In-app purchases:** none


### USCampus

[App page](https://appshunter.io/ios/app/uscampus/id6812972762)

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

**In-app purchases:** none


## Frequently asked questions

### Is 暗礁笔记 free?

暗礁笔记 is free to download, with no in-app purchases.

### Is USCampus free?

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

### Do 暗礁笔记 or USCampus have ads?

Neither 暗礁笔记 nor USCampus shows ads.

### Which is updated more often, 暗礁笔记 or USCampus?

暗礁笔记 ships an update every 2 months, and USCampus every 10 days. Most recently, 暗礁笔记 was updated on October 24, 2026 and USCampus on October 17, 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.*