Anecdata.org vs Leave No Trace Citizen Science
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Anecdata.org
This platform empowers users to create, manage, and participate in citizen science projects. It facilitates data collection in the field, even offline, and supports project analysis and download.
- Project creation and management
- Datasheet design
- Participant invitation
- Offline data collection
- Data download and analysis
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Anecdata.org is a free online platform for managing all aspects of a citizen science project, from project creation, datasheet design, inviting participants, collecting data, to eventual download and analysis of data! The app makes it easy for you to create your own project or find a project to join, with excellent offline support for collecting data in the field.
Leave No Trace Citizen Science
Empower volunteers to monitor outdoor resource conditions over time. This citizen science application supports the mission of protecting natural spaces through responsible enjoyment and education.
- Citizen science data collection
- Resource condition monitoring
- Outdoor ethics education
- Inspires responsible enjoyment
- Volunteer empowerment
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The Leave No Trace Center for Outdoor Ethics protects the outdoors by teaching and inspiring people to enjoy it responsibly. The Center accomplishes this mission by delivering cutting edge education and research to millions of people every year. This app is the citizen science app for Leave No Trace and empowers volunteers to help monitor resource conditions over time.
Screenshots
Verdict
The clearest difference is ratings volume: Anecdata.org at 4 against Leave No Trace Citizen Science's 1. Anecdata.org also leads on iOS requirement (13.0 vs 15.0). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 Anecdata.org against 5.0 for Leave No Trace Citizen Science. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Anecdata.org ships an update every 3 weeks, Leave No Trace Citizen Science every 6 weeks. The most recent releases landed on July 25, 2026 and August 15, 2026 respectively.
| Parameter | Anecdata.org | Leave No Trace Citizen Science |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 47 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | MDI Biological Laboratory | Greg Newman |
Customer experience
Anecdata.org
Leave No Trace Citizen Science
In-app purchases
Anecdata.org
No in-app purchases
Leave No Trace Citizen Science
No in-app purchases
Questions
Is Anecdata.org free?
Is Leave No Trace Citizen Science free?
Which has better reviews, Anecdata.org or Leave No Trace Citizen Science?
Do Anecdata.org or Leave No Trace Citizen Science have ads?
Which is updated more often, Anecdata.org or Leave No Trace Citizen Science?
Other comparisons
