# Marine Debris Tracker vs Renny

The clearest difference is update cadence: Renny at every 3 weeks against Marine Debris Tracker's every 2 months. Marine Debris Tracker's advantage is iOS requirement (12.4 vs 17.6). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Marine Debris Tracker against 5.0 for Renny. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Marine Debris Tracker ships an update every 2 months, Renny every 3 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Marine Debris Tracker | Renny |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/marine-debris-tracker/id432758761/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/renny/id6747823203/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 38.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 29 MB | 45 MB |
| Requires iOS | **12.4** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Kyle Johnsen](https://appshunter.io/developer/1021572657) | [MyRenny LLC](https://appshunter.io/developer/1823013780) |

## What reviewers say

### Marine Debris Tracker

[App page](https://appshunter.io/ios/app/marine-debris-tracker/id432758761)

Contribute to a global citizen science movement by reporting litter and plastic pollution. Your data helps build a comprehensive understanding of environmental issues, informing research and policy.

**Highlights:** Report litter and debris, Contribute to citizen science, Track inland and marine pollution, Access open-data platform, Generate scientific findings, Inform policy decisions

**Features:** macOS Compatibility

**In-app purchases:** none


### Renny

[App page](https://appshunter.io/ios/app/renny/id6747823203)

Easily find trusted and vetted professionals for your home improvement projects. Connect with contractors for renovations, repairs, and landscaping, saving time and reducing stress. Make confident decisions from your home.

**Highlights:** Find home improvement professionals, Connect with vetted contractors, Renovation and repair services, Landscaping and garden services, Save time and reduce stress, Make confident decisions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Marine Debris Tracker free?

Marine Debris Tracker is free to download, with no in-app purchases.

### Is Renny free?

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

### Which has better reviews, Marine Debris Tracker or Renny?

Marine Debris Tracker and Renny are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Marine Debris Tracker or Renny have ads?

Neither Marine Debris Tracker nor Renny shows ads.

### Which is updated more often, Marine Debris Tracker or Renny?

Marine Debris Tracker ships an update every 2 months, and Renny every 3 weeks. Most recently, Marine Debris Tracker was updated on November 6, 2026 and Renny on October 30, 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.*