Nature's Notebook vs Leave No Trace Citizen Science
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nature's Notebook
Record observations of plant and animal life cycles, such as flowering and migration. Mark observation sites, create species lists, and log seasonal changes in nature.
- Record plant and animal life cycle events
- Mark observation sites
- Create species lists
- Log seasonal observations
- Citizen science program
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Nature's Notebook is a program for observing and recording plant and animal life cycle events, like flowering and bird migration. Use this app to mark your sites, create a list of plants and animals, and going into the field to record observations throughout the seasons. Find out more at www.usanpn.org/nn/guidelines.
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 review sentiment: Leave No Trace Citizen Science at 100% against Nature's Notebook's 40%. Leave No Trace Citizen Science also leads on rating (5.0 vs 3.2). Nature's Notebook's advantage is ratings volume (27 vs 1) and iOS requirement (12.0 vs 15.0). 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 3.2. That said, the two scores are not equally well evidenced: Nature's Notebook has 27 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 40% of Nature's Notebook's written reviews are positive against 100% of Leave No Trace Citizen Science's.
Nature's Notebook ships an update every 3 weeks, Leave No Trace Citizen Science every 6 weeks. Both last shipped on November 3, 2026.
| Parameter | Nature's Notebook | Leave No Trace Citizen Science |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (27 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 40.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 27 — 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 | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 47 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | National Phenology Network | Greg Newman |
Customer experience
Nature's Notebook
Leave No Trace Citizen Science
In-app purchases
Nature's Notebook
No in-app purchases
Leave No Trace Citizen Science
No in-app purchases
Questions
Is Nature's Notebook free?
Is Leave No Trace Citizen Science free?
Which has better reviews, Nature's Notebook or Leave No Trace Citizen Science?
Do Nature's Notebook or Leave No Trace Citizen Science have ads?
Which is updated more often, Nature's Notebook or Leave No Trace Citizen Science?
Other comparisons
