Anecdata.org vs Nature's Notebook
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.
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.
Screenshots
Verdict
The clearest difference is rating: Anecdata.org at 5.0 against Nature's Notebook's 3.1. Nature's Notebook's advantage is ratings volume (26 vs 4). 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.
Anecdata.org holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Nature's Notebook has 26 ratings behind it against 4, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on July 25, 2026 and July 7, 2026 respectively.
| Parameter | Anecdata.org | Nature's Notebook |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 3.1 (26 ratings) |
| Positive reviews | — | 40.0% of reviews |
| Number of ratings | 4 | 26 — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | MDI Biological Laboratory | National Phenology Network |
Customer experience
Anecdata.org
Nature's Notebook
In-app purchases
Anecdata.org
No in-app purchases
Nature's Notebook
No in-app purchases
Questions
Is Anecdata.org free?
Is Nature's Notebook free?
Which has better reviews, Anecdata.org or Nature's Notebook?
Do Anecdata.org or Nature's Notebook have ads?
Which is updated more often, Anecdata.org or Nature's Notebook?
Other comparisons
