# FieldKit.org vs OpenLitterMap

The clearest difference is rating: FieldKit.org at 5.0 against OpenLitterMap's 3.6. FieldKit.org also leads on ads (none vs shown) and monetization model (free vs ad-supported). OpenLitterMap's advantage is update cadence (every 3 weeks vs every 4 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

FieldKit.org holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 4 and 9 respectively.

FieldKit.org ships an update every 4 months, OpenLitterMap every 3 weeks. The most recent releases landed on June 22, 2026 and June 20, 2026 respectively.

## The numbers

| Metric | FieldKit.org | OpenLitterMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/fieldkitorg/id1463631293/reviews)** | [3.6 (9 ratings)](https://appshunter.io/ios/app/openlittermap/id1475982147/reviews) |
| Number of ratings | 4 | **9** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 86 MB | 47 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Conservify](https://appshunter.io/developer/1463631292) | [Sean Lynch](https://appshunter.io/developer/1475982146) |

## What reviewers say

### FieldKit.org

[App page](https://appshunter.io/ios/app/fieldkitorg/id1463631293)

This app provides low-cost hardware and a mobile platform for environmental sensing, data management, and community engagement. It allows users to monitor and advocate for their surroundings by collecting, analyzing, and sharing environmental data.

**Highlights:** Easy-to-use environmental sensors, Data management and analysis platform, Real-time sensor data visualization, Customizable data collection schedules, Data download in multiple formats, Community engagement and discussions

**In-app purchases:** none


### OpenLitterMap

[App page](https://appshunter.io/ios/app/openlittermap/id1475982147)

Contribute to a global database of litter and plastic pollution by taking photos and tagging them. The interactive map visualizes pollution data, allowing users to create custom tags and see live updates. Participate in a worldwide competition to collect the most data.

**Highlights:** Interactive global litter map, Photo tagging of pollution, Customizable tag creation, Live map updates, Open source data, Country-based data collection competition

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

**In-app purchases:** none


## Frequently asked questions

### Is FieldKit.org free?

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

### Is OpenLitterMap free?

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

### Which has better reviews, FieldKit.org or OpenLitterMap?

FieldKit.org is rated higher. FieldKit.org averages 5.0 out of 5 from 4 ratings, while OpenLitterMap averages 3.6 from 9 ratings.

### Do FieldKit.org or OpenLitterMap have ads?

OpenLitterMap shows ads; FieldKit.org does not.

### Which is updated more often, FieldKit.org or OpenLitterMap?

FieldKit.org ships an update every 4 months, and OpenLitterMap every 3 weeks. Most recently, FieldKit.org was updated on June 22, 2026 and OpenLitterMap on June 20, 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.*