CitSci vs Creek Critters
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CitSci
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.
- Data collection for citizen science
- Upload observations to CitSci.org
- Empowers community science projects
- Syncs with web platform
- Facilitates observation contribution
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The CitSci mobile app is a data collection app for citizen scientists that syncs up with CitSci.org. The app augments the web site by empowering users to collect and upload observations to CitSci.org. The app helps people and communities do great citizen science.
Creek Critters
Identify aquatic macroinvertebrates to assess stream health. This educational tool uses visual keys and automatically generates reports based on your findings, allowing you to map your stream's condition.
- Identify stream macroinvertebrates
- Visual identification key
- Automatic stream health reports
- Map stream health reports
- Educational tool
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Use Creek Critters to: · find the tiny critters (macroinvertebrates) that live in your stream · identify the critters using a visual key with line drawings and photos · automatically create a report on your stream’s health based on your findings · map your stream report A tool for education and community engagement!
Screenshots
Verdict
The clearest difference is rating: Creek Critters at 4.8 against CitSci's 4.5. Creek Critters also leads on ratings volume (25 vs 2) and iOS requirement (12.0 vs 15.0). CitSci's advantage is update cadence (every 6 weeks vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Creek Critters holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Creek Critters has 25 ratings behind it against 2, so its average is the more settled of the two.
CitSci ships an update every 6 weeks, Creek Critters every 4 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.
| Parameter | CitSci | Creek Critters |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) | 4.8 (25 ratings) — better |
| Positive reviews | — | 92.3% of reviews |
| Number of ratings | 2 | 25 — better |
| Update frequency | Every 6 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Greg Newman | Nature Forward, Inc. |
Customer experience
CitSci
Creek Critters
In-app purchases
CitSci
No in-app purchases
Creek Critters
No in-app purchases
