# The Waterbug App vs AMDI Data Collection

The clearest difference is review sentiment: The Waterbug App at 88% against AMDI Data Collection's 0%. AMDI Data Collection's advantage is update cadence (every 5 weeks vs every 9 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.

The Waterbug App ships an update every 9 months, AMDI Data Collection every 5 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | The Waterbug App | AMDI Data Collection |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **87.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 59 MB | 87 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Michael Sharman](https://appshunter.io/developer/926215556) | [TANGAROA BLUE FOUNDATION LTD](https://appshunter.io/developer/1408112210) |

## What reviewers say

### The Waterbug App

[App page](https://appshunter.io/ios/app/the-waterbug-app/id926215557)

Identify freshwater invertebrates found in Australian waterways. Assess the health of rivers, creeks, and wetlands by observing these creatures. Contribute your findings to a national citizen science program.

**Highlights:** Waterbug identification, River health assessment, Citizen science contribution, Data submission, Australian freshwater invertebrates

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

**In-app purchases:** none


### AMDI Data Collection

[App page](https://appshunter.io/ios/app/amdi-data-collection/id1408112211)

This application allows citizen scientists and organizations to record and submit data on marine debris found during clean-up events. It uses a standardized methodology to contribute to a national database, providing insights into the types and amounts of litter impacting Australian coastlines.

**Highlights:** Data collection for marine debris, Standardized methodology, National database contribution, Analysis of debris types and amounts, Supports clean-up event organizers

**In-app purchases:** none


## Frequently asked questions

### Is The Waterbug App free?

The Waterbug App is free to download, with no in-app purchases.

### Is AMDI Data Collection free?

AMDI Data Collection is free to download, with no in-app purchases.

### Do The Waterbug App or AMDI Data Collection have ads?

Neither The Waterbug App nor AMDI Data Collection shows ads.

### Which is updated more often, The Waterbug App or AMDI Data Collection?

The Waterbug App ships an update every 9 months, and AMDI Data Collection every 5 weeks. Most recently, The Waterbug App was updated on October 10, 2026 and AMDI Data Collection on October 14, 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.*