# CitSci vs Roger Link

The clearest difference is rating: CitSci at 4.5 against Roger Link's 2.8. Roger Link's advantage is ratings volume (6 vs 2) and iOS requirement (13.4 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

CitSci holds the better App Store score, 4.5 against 2.8. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

CitSci ships an update every 6 weeks, Roger Link every 3 weeks. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CitSci | Roger Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/citsci/id657196305/reviews)** | [2.8 (6 ratings)](https://appshunter.io/ios/app/roger-link/id6474192486/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 33 MB | 49 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Greg Newman](https://appshunter.io/developer/1536428997) | [Navengage Education Technologies LLC](https://appshunter.io/developer/1547439399) |

## What reviewers say

### CitSci

[App page](https://appshunter.io/ios/app/citsci/id657196305)

Empower your community with a tool for collecting and uploading scientific observations. This app facilitates citizen science projects, allowing users to contribute valuable data directly to a central platform.

**Highlights:** Data collection for citizen science, Upload observations to CitSci.org, Empowers community science projects, Syncs with web platform, Facilitates observation contribution

**Features:** macOS Compatibility

**In-app purchases:** none


### Roger Link

[App page](https://appshunter.io/ios/app/roger-link/id6474192486)

This app centralizes campus information, allowing users to discover events, explore student organizations, and access essential resources. It provides a unified platform for navigating university life.

**Highlights:** Event discovery, Student organization listings, Resource navigation, Centralized campus information, Easy-to-use interface

**In-app purchases:** none


## Frequently asked questions

### Is CitSci free?

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

### Is Roger Link free?

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

### Which has better reviews, CitSci or Roger Link?

CitSci is rated higher. CitSci averages 4.5 out of 5 from 2 ratings, while Roger Link averages 2.8 from 6 ratings.

### Do CitSci or Roger Link have ads?

Neither CitSci nor Roger Link shows ads.

### Which is updated more often, CitSci or Roger Link?

CitSci ships an update every 6 weeks, and Roger Link every 3 weeks. Most recently, CitSci was updated on October 13, 2026 and Roger Link on October 1, 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.*