# CSU UPAS vs Silicon Harlem

The clearest difference is iOS requirement: CSU UPAS at 9.0 against Silicon Harlem's 15.0. 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 — 5.0 for CSU UPAS against 5.0 for Silicon Harlem. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | CSU UPAS | Silicon Harlem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/csu-upas/id1126067765/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/silicon-harlem/id6705122172/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Size | 18 MB | 72 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Colorado State University](https://appshunter.io/developer/527760765) | [Archatech Labs LLC](https://appshunter.io/developer/1759863279) |

## What reviewers say

### CSU UPAS

[App page](https://appshunter.io/ios/app/csu-upas/id1126067765)

This app controls a personal air sampler device. It allows users to customize settings like sample name, flow rate, start time, duration, and GPS location before running the sensor. Data can then be downloaded to your phone or tablet.

**Highlights:** Bluetooth sensor pairing, Customize sample name, Adjust flow rate, Set sensor start time and duration, Configure GPS settings, Download UPAS files

**Features:** macOS Compatibility

**In-app purchases:** none


### Silicon Harlem

[App page](https://appshunter.io/ios/app/silicon-harlem/id6705122172)

Connect with Harlem's tech community through event listings, networking opportunities, and live Q&A sessions. Discover conferences, workshops, and initiatives shaping the digital revolution in Harlem. Designed for innovators and enthusiasts to learn, grow, and collaborate.

**Highlights:** Event listings and RSVP, Community networking, Live Q&A with speakers, Admin moderation tools, Event reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CSU UPAS free?

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

### Is Silicon Harlem free?

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

### Which has better reviews, CSU UPAS or Silicon Harlem?

CSU UPAS and Silicon Harlem are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do CSU UPAS or Silicon Harlem have ads?

Neither CSU UPAS nor Silicon Harlem shows ads.

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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.*