# Anecdata.org vs iSeaTree

The clearest difference is update cadence: Anecdata.org at every 3 weeks against iSeaTree's every 2 months. iSeaTree's advantage is iOS requirement (10.0 vs 13.0). On price, rating, ratings volume and ads there is nothing between them.

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 iSeaTree. Both are backed by a comparable volume of ratings — 4 and 7 respectively.

Anecdata.org ships an update every 3 weeks, iSeaTree every 2 months. The most recent releases landed on July 25, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Anecdata.org | iSeaTree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/anecdataorg/id1315666791/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/iseatree/id1513633272/reviews) |
| Number of ratings | 4 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 47 MB | 36 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MDI Biological Laboratory](https://appshunter.io/developer/1210127056) | [DemocracyLab](https://appshunter.io/developer/1690712597) |

## What reviewers say

### Anecdata.org

[App page](https://appshunter.io/ios/app/anecdataorg/id1315666791)

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.

**Highlights:** Project creation and management, Datasheet design, Participant invitation, Offline data collection, Data download and analysis

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### iSeaTree

[App page](https://appshunter.io/ios/app/iseatree/id1513633272)

Identify trees using AI or manual input, calculate their environmental benefits, and share your findings on an interactive map. This free app is designed for users of all ages and skill levels across the USA and Canada.

**Highlights:** AI-powered tree identification, Manual tree identification, Tree benefits calculator (CO2, H2O, air quality), In-app map for sharing tree data, Suitable for all ages and skill levels, Supports USA and Canada

**In-app purchases:** none


## Frequently asked questions

### Is Anecdata.org free?

Anecdata.org is free to download, with no in-app purchases.

### Is iSeaTree free?

iSeaTree is free to download, with no in-app purchases.

### Which has better reviews, Anecdata.org or iSeaTree?

Anecdata.org and iSeaTree are both rated 5.0 out of 5 on the App Store, from 4 and 7 ratings respectively.

### Do Anecdata.org or iSeaTree have ads?

Neither Anecdata.org nor iSeaTree shows ads.

### Which is updated more often, Anecdata.org or iSeaTree?

Anecdata.org ships an update every 3 weeks, and iSeaTree every 2 months. Most recently, Anecdata.org was updated on July 25, 2026 and iSeaTree on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*