# 興大校友 vs 地質羅盤 2.0

The clearest difference is update cadence: 地質羅盤 2.0 at every 9 days against 興大校友's monthly. 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.

興大校友 ships an update monthly, 地質羅盤 2.0 every 9 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 興大校友 | 地質羅盤 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/id1422378926/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Size | 71 MB | 49 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National Chung Hsing University](https://appshunter.io/developer/934246724) | [Jet-Link Technologies Inc.](https://appshunter.io/developer/1154359182) |

## What reviewers say

### 興大校友

[App page](https://appshunter.io/ios/app/id1422378926)

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

**In-app purchases:** none


### 地質羅盤 2.0

[App page](https://appshunter.io/ios/app/20/id6443950944)

**In-app purchases:** none


## Frequently asked questions

### Is 興大校友 free?

興大校友 is free to download, with no in-app purchases.

### Is 地質羅盤 2.0 free?

地質羅盤 2.0 is free to download, with no in-app purchases.

### Do 興大校友 or 地質羅盤 2.0 have ads?

Neither 興大校友 nor 地質羅盤 2.0 shows ads.

### Which is updated more often, 興大校友 or 地質羅盤 2.0?

興大校友 ships an update monthly, and 地質羅盤 2.0 every 9 days. Most recently, 興大校友 was updated on October 16, 2026 and 地質羅盤 2.0 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.*