Leave No Trace Citizen Science vs TrashBlitz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
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.
TrashBlitz
This app allows users to log and track the trash they collect from various locations, including national parks, neighborhoods, and cities. It helps users contribute to environmental cleanup efforts by documenting their impact.
- Track trash pickup
- Log environmental cleanup efforts
- Document trash collection
- Support National Park cleanups
- Community cleanup tracking
Read full descriptionHide full description
Trashblitz is the app to allow people to track the trash they pick up in National Parks or around their house, company, city, or town.
Screenshots
Verdict
The clearest difference is rating: Leave No Trace Citizen Science at 5.0 against TrashBlitz's 4.5. Leave No Trace Citizen Science also leads on review sentiment (100% vs 71%). TrashBlitz's advantage is ratings volume (13 vs 1). On price, update cadence, ads and in-app purchases 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.
Leave No Trace Citizen Science holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: TrashBlitz has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Leave No Trace Citizen Science's written reviews are positive against 71% of TrashBlitz's.
Leave No Trace Citizen Science ships an update every 6 weeks, TrashBlitz every 5 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Leave No Trace Citizen Science | TrashBlitz |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.5 (13 ratings) |
| Positive reviews | 100.0% of reviews — better | 71.4% of reviews |
| Number of ratings | 1 | 13 — better |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 33 MB | 38 MB |
| Age rating | 4+ | 12+ |
| Developer | Greg Newman | The 5 Gyres Institute |
Customer experience
Leave No Trace Citizen Science
TrashBlitz
In-app purchases
Leave No Trace Citizen Science
No in-app purchases
TrashBlitz
No in-app purchases
Questions
Is Leave No Trace Citizen Science free?
Is TrashBlitz free?
Which has better reviews, Leave No Trace Citizen Science or TrashBlitz?
Do Leave No Trace Citizen Science or TrashBlitz have ads?
Which is updated more often, Leave No Trace Citizen Science or TrashBlitz?
Other comparisons
