Leave No Trace Citizen Science vs Lion Roaring
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
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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.
Lion Roaring
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Lion Roaring is a Kingdom-focused platform rooted in principles of excellence, leadership, accountability, and faith. Built on a foundation of love, community, and self-governance under God’s law, our mission is to transform lives, cities, and nations through a holistic model of spiritual, personal, and economic restoration.
Screenshots
Verdict
The clearest difference is update cadence: Lion Roaring at weekly against Leave No Trace Citizen Science's every 6 weeks. On price, ads, in-app purchases and device support 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 ships an update every 6 weeks, Lion Roaring weekly. The most recent releases landed on August 15, 2026 and September 24, 2026 respectively.
| Parameter | Leave No Trace Citizen Science | Lion Roaring |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 33 MB | 109 MB |
| Age rating | 4+ | 4+ |
| Developer | Greg Newman | Daud Santosa |
In-app purchases
Leave No Trace Citizen Science
No in-app purchases
Lion Roaring
No in-app purchases
Questions
Is Leave No Trace Citizen Science free?
Is Lion Roaring free?
Do Leave No Trace Citizen Science or Lion Roaring have ads?
Which is updated more often, Leave No Trace Citizen Science or Lion Roaring?
Other comparisons
