# QSE vs CEAMS

The clearest difference is update cadence: CEAMS at monthly against QSE's every 12 months. CEAMS also leads on iOS requirement (9.0 vs 15.0). 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.

QSE ships an update every 12 months, CEAMS monthly. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | QSE | CEAMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ceams/id1264328237/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | — | Free |
| Size | 92 MB | 18 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobitti Ltd.](https://appshunter.io/developer/586949200) | [Colorado State University](https://appshunter.io/developer/527760765) |

## What reviewers say

### QSE

[App page](https://appshunter.io/ios/app/qse/id1105094439)

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

**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 QSE free?

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

### Is CEAMS free?

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

### Do QSE or CEAMS have ads?

Neither QSE nor CEAMS shows ads.

### Which is updated more often, QSE or CEAMS?

QSE ships an update every 12 months, and CEAMS monthly. Most recently, QSE was updated on October 12, 2026 and CEAMS on October 7, 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.*