# Jellywatch

> Citizen science platform for monitoring ocean conditions and jellyfish populations globally. (iPhone/iPad app by Monterey Bay Aquarium Research Institute.)

- Source: https://appshunter.io/ios/app/jellywatch/id545501733 (this page in markdown: same URL + `.md`)
- Developer: [Monterey Bay Aquarium Research Institute](https://appshunter.io/developer/997448509)
- Category: Education, Reference
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 11 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 6 MB
- Languages: American English, French (France), Japanese, European Spanish
- Released: 2012-07-29
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/jellywatch/id545501733/reviews.md

## What is Jellywatch?

Jellywatch is a database for monitoring ocean conditions, especially jellyfish populations.

Citizen scientists are encouraged to submit reports from around the world. The data will be freely available to download or browse. Report jellyfish blooms, red tides, and even clean “normal” conditions you observe. If you submit a photo, we can identify the species for you as well.

## Key features

- Ocean condition monitoring
- Jellyfish population tracking
- Citizen science reporting
- Global data submission
- Species identification
- Free data access

## Recent user reviews (10 of 11)

All indexed reviews: https://appshunter.io/ios/app/jellywatch/id545501733/reviews.md

### 1/5 — Not functional

*2025-08-31*

Tried opening the app but the reports wouldn't load. Tried the website and it wouldn't load at all. Would be a nice service to have.

### 5/5 — Update

*2022-03-19*

I see now that my photos have been uploaded… so happy to be able to share my love of Jellies.

### 5/5 — best app going

*2015-09-07, version 1.2*

damn this app is good 
loves me a bit of jelly watching 🌈

### 5/5 — Excellent

*2015-07-12*

Exceptional quality. Probably best marine life app I have ever seen!

### 5/5 — Excellent UI

*2014-09-04*

Best way to browse, visualize and report sightings for jellywatch.org

### 5/5 — Great since 1.1

*2012-12-26, version 1.1*

Ok at first but infinitely better since 1.1.
The sign in application is vital if you are a existing user, like me. I had the computer version but it was slow and crashed so this is now much better. A must for scuba divers and beach lovers.

### 4/5 — Awesome idea

*2012-11-28*

What a fantastic initiative to be involved with and the app is so easy to use. Well done!

### 5/5 — Good job Peter!

*2012-09-22*

I might use this info in my next animation! Thanks for the app!

### 5/5 — Great app!

*2012-07-28*

Works fast and easy to access info and upload your own sightings. very cool! Great for living by the beach

### 5/5 — Great app.  Well designed.

*2012-07-28, version 1.0*

Great app. Well designed

## Frequently asked questions about Jellywatch

### What is Jellywatch used for?

Jellywatch is a database for monitoring ocean conditions, with a specific focus on tracking jellyfish populations. It allows users to report observations of jellyfish blooms, red tides, and general ocean conditions.

### Can I identify jellyfish species with Jellywatch?

Yes, if you submit a photo with your report, the app can help identify the jellyfish species for you. This feature enhances the educational value of the citizen science contributions.

### Is Jellywatch free to use?

Yes, Jellywatch is completely free to download and use. The data collected through the app is also freely available for download or browsing.

### What kind of data does Jellywatch collect?

Jellywatch collects data on ocean conditions, including jellyfish blooms, red tides, and observations of normal marine environments. Citizen scientists can submit reports and photos from anywhere in the world.

### How often is Jellywatch updated?

The latest version of Jellywatch is 3.4.3, and it was last updated on December 16, 2023. This indicates a commitment to maintaining and improving the application.

### What devices support Jellywatch?

Jellywatch is supported on iPhone, iPad, and iPod devices. It is designed for iOS users interested in contributing to marine science.

### What is the age rating for Jellywatch?

Jellywatch has an age rating of 4+, making it suitable for a wide range of users, including younger individuals interested in learning about marine life and contributing to science.

### Who developed Jellywatch?

Jellywatch was developed by the Monterey Bay Aquarium Research Institute. This affiliation suggests a strong scientific backing and focus on marine research.

## Version history (last 5 releases)

### 3.4.3 — 2023-12-16

-Bug fixes.

### 3.4.2 — 2023-12-09

-Bug fixes.

### 3.4.1 — 2023-12-02

-Bug fixes.

### 3.4 — 2023-09-27

-Bug fixes.

### 3.3 — 2023-08-19

-Adds machine learning to help identify the correct category for submitted sighting photos.
-Bug fixes.
-UI Improvements.

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| [JellyScan - Identify Jellyfish](https://appshunter.io/ios/app/jellyscan-identify-jellyfish/id6740225805) | 4.6 (5) | Free | Education |
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## More apps by Monterey Bay Aquarium Research Institute

- [BayCurrents](https://appshunter.io/ios/app/baycurrents/id1591997070)
- [FathomVerse](https://appshunter.io/ios/app/fathomverse/id6469854247)

All apps by Monterey Bay Aquarium Research Institute: https://appshunter.io/developer/997448509

## Related topics

[fathomverse](https://appshunter.io/ios/topics/fathomverse) · [monterey bay aquarium research institute](https://appshunter.io/ios/topics/monterey-bay-aquarium-research-institute) · [medusapp](https://appshunter.io/ios/topics/medusapp) · [jellyfish cloud](https://appshunter.io/ios/topics/jellyfish-cloud) · [monterey bay aquarium seafood watch](https://appshunter.io/ios/topics/monterey-bay-aquarium-seafood-watch) · [jellyfish designer](https://appshunter.io/ios/topics/jellyfish-designer)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*