# NCKU Library vs CEAMS

The clearest difference is update cadence: CEAMS at monthly against NCKU Library's every 3 months. CEAMS also leads on iOS requirement (9.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

NCKU Library ships an update every 3 months, CEAMS monthly. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NCKU Library | CEAMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ceams/id1264328237/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 10 MB | 18 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NATIONAL CHENG KUNG UNIVERSITY](https://appshunter.io/developer/601920267) | [Colorado State University](https://appshunter.io/developer/527760765) |

## What reviewers say

### NCKU Library

[App page](https://appshunter.io/ios/app/ncku-library/id1080535737)

Access National Cheng Kung University Library resources on your mobile device. Search the catalog, check item availability and location, renew loans, and find library hours and news.

**Highlights:** Search library catalog, Check item availability and location, Renew checkouts and request holds, View library hours and contacts, See venue occupancy status, Access library news and events

**In-app purchases:** none


### CEAMS

[App page](https://appshunter.io/ios/app/ceams/id1264328237)

This app controls a specialized air sampler developed for a research project. It allows users to connect their iOS device to the sensor via Bluetooth for data collection and management.

**Highlights:** Bluetooth sensor pairing, iOS low energy connection, Air sampler control, Research project data management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NCKU Library free?

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

### Is CEAMS free?

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

### Do NCKU Library or CEAMS have ads?

Neither NCKU Library nor CEAMS shows ads.

### Which is updated more often, NCKU Library or CEAMS?

NCKU Library ships an update every 3 months, and CEAMS monthly. Most recently, NCKU Library was updated on October 17, 2026 and CEAMS on October 7, 2026.

---

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