# AMDI Data Collection vs Litter Stopper

The clearest difference is review sentiment: Litter Stopper at 60% against AMDI Data Collection's 0%. AMDI Data Collection's advantage is update cadence (every 5 weeks vs every 3 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.

AMDI Data Collection ships an update every 5 weeks, Litter Stopper every 3 months. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | AMDI Data Collection | Litter Stopper |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 87 MB | 71 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [TANGAROA BLUE FOUNDATION LTD](https://appshunter.io/developer/1408112210) | [Ross Headifen](https://appshunter.io/developer/1445816296) |

## What reviewers say

### 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


### Litter Stopper

[App page](https://appshunter.io/ios/app/litter-stopper/id1445816297)

This app helps identify and record types of litter found in a location. It allows users to log details like item type, man-hours, weight, and volume collected. Data is emailed and stored in a database for comparison across different clean-up sites.

**Highlights:** Record litter types, Log clean-up parameters, Email data, Store data in database, Compare clean-up sites, Audit up to 24 litter types

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AMDI Data Collection free?

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

### Is Litter Stopper free?

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

### Do AMDI Data Collection or Litter Stopper have ads?

Neither AMDI Data Collection nor Litter Stopper shows ads.

### Which is updated more often, AMDI Data Collection or Litter Stopper?

AMDI Data Collection ships an update every 5 weeks, and Litter Stopper every 3 months. Most recently, AMDI Data Collection was updated on October 14, 2026 and Litter Stopper on October 2, 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.*