# Save The Waves vs Project Monarch Science

The clearest difference is rating: Save The Waves at 5.0 against Project Monarch Science's 4.0. Project Monarch Science's advantage is update cadence (every 9 days vs every 5 months). On price, ratings volume, 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.

Save The Waves holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 16 and 24 respectively.

Save The Waves ships an update every 5 months, Project Monarch Science every 9 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Save The Waves | Project Monarch Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (16 ratings)](https://appshunter.io/ios/app/save-the-waves/id1317823560/reviews)** | [4.0 (24 ratings)](https://appshunter.io/ios/app/project-monarch-science/id6460006970/reviews) |
| Number of ratings | 16 | **24** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 47 MB | 83 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Save The Waves Coalition](https://appshunter.io/developer/1317823559) | [Cellular Tracking Technologies](https://appshunter.io/developer/1588087267) |

## What reviewers say

### Save The Waves

[App page](https://appshunter.io/ios/app/save-the-waves/id1317823560)

Report coastal threats like pollution and illegal development by snapping geotagged photos. This data is shared with environmental organizations and agencies to help protect surf ecosystems globally. Empower local communities to become active stewards of coastal environments.

**Highlights:** Report coastal threats, Geotagged photo submission, Data sharing with agencies, Community empowerment, Surf ecosystem protection

**Features:** macOS Compatibility

**In-app purchases:** none


### Project Monarch Science

[App page](https://appshunter.io/ios/app/project-monarch-science/id6460006970)

This app transforms your smartphone into a receiver for tiny tracking devices attached to monarch butterflies. By crowdsourcing data, it helps scientists monitor butterfly migration patterns in unprecedented detail, aiding conservation efforts.

**Highlights:** Crowdsourced tracking network, Monarch butterfly migration monitoring, Detailed movement data, Habitat conservation insights, Utilizes Bluetooth frequency, Citizen science participation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Save The Waves free?

Save The Waves is free to download, with no in-app purchases.

### Is Project Monarch Science free?

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

### Which has better reviews, Save The Waves or Project Monarch Science?

Save The Waves is rated higher. Save The Waves averages 5.0 out of 5 from 16 ratings, while Project Monarch Science averages 4.0 from 24 ratings.

### Do Save The Waves or Project Monarch Science have ads?

Neither Save The Waves nor Project Monarch Science shows ads.

### Which is updated more often, Save The Waves or Project Monarch Science?

Save The Waves ships an update every 5 months, and Project Monarch Science every 9 days. Most recently, Save The Waves was updated on October 5, 2026 and Project Monarch Science on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*