# Citizen Science vs SeaSpotter

The clearest difference is review sentiment: SeaSpotter at 100% against Citizen Science's 0%. SeaSpotter also leads on update cadence (every 2 months vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Citizen Science ships an update every 4 months, SeaSpotter every 2 months. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Citizen Science | SeaSpotter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 34 MB | 62 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEW ZEALAND INSTITUTE FOR EARTH SCIENCE LIMITED](https://appshunter.io/developer/896687691) | [MAUI63](https://appshunter.io/developer/1659999356) |

## What reviewers say

### Citizen Science

[App page](https://appshunter.io/ios/app/citizen-science/id1439168937)

Contribute to real scientific research by easily entering data for various surveys. Participate in projects like snow depth measurement or storm assessment, with your submissions visible on a dedicated website. This platform facilitates public involvement in scientific discovery and data collection.

**Highlights:** Public data entry for scientific surveys, Variety of seasonal and year-round projects, View submissions on the Citizen Science website, Data usable by professional and amateur researchers, Surveys can be restricted to specific user groups, Data accessible via comprehensive API

**Features:** Vision Pro support

**In-app purchases:** none


### SeaSpotter

[App page](https://appshunter.io/ios/app/seaspotter/id1659999354)

Become a citizen scientist by identifying and reporting marine mammal sightings in New Zealand. Contribute valuable data for conservation and research through photos, videos, and location tracking.

**Highlights:** Identify marine mammals, Upload photos and videos, Log sighting locations, Contribute to conservation, Access public database

**In-app purchases:** none


## Frequently asked questions

### Is Citizen Science free?

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

### Is SeaSpotter free?

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

### Do Citizen Science or SeaSpotter have ads?

Neither Citizen Science nor SeaSpotter shows ads.

### Which is updated more often, Citizen Science or SeaSpotter?

Citizen Science ships an update every 4 months, and SeaSpotter every 2 months. Most recently, Citizen Science was updated on October 16, 2026 and SeaSpotter on October 18, 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.*