# iSeaTree vs Mushroom Observer

The clearest difference is review sentiment: iSeaTree at 100% against Mushroom Observer's 0%. iSeaTree also leads on rating (5.0 vs 1.0) and ratings volume (7 vs 1). Mushroom Observer's advantage is update cadence (fortnightly vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iSeaTree holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: iSeaTree has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of iSeaTree's written reviews are positive against 0% of Mushroom Observer's.

iSeaTree ships an update every 2 months, Mushroom Observer fortnightly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iSeaTree | Mushroom Observer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/iseatree/id1513633272/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/mushroom-observer/id1585728694/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 36 MB | 25 MB |
| Requires iOS | **10.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DemocracyLab](https://appshunter.io/developer/1690712597) | [Mushroom Observer, Inc.](https://appshunter.io/developer/1585728906) |

## What reviewers say

### 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


### Mushroom Observer

[App page](https://appshunter.io/ios/app/mushroom-observer/id1585728694)

Document fungi discoveries directly from your mobile device. Record detailed observations and contribute to a community-driven database of fungal life. Ideal for naturalists and researchers documenting specimens in the field.

**Highlights:** Record fungi observations, Document field discoveries, Contribute to a database, Mobile specimen recording, Fungal life documentation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iSeaTree free?

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

### Is Mushroom Observer free?

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

### Which has better reviews, iSeaTree or Mushroom Observer?

iSeaTree is rated higher. iSeaTree averages 5.0 out of 5 from 7 ratings, while Mushroom Observer averages 1.0 from 1 ratings.

### Do iSeaTree or Mushroom Observer have ads?

Neither iSeaTree nor Mushroom Observer shows ads.

### Which is updated more often, iSeaTree or Mushroom Observer?

iSeaTree ships an update every 2 months, and Mushroom Observer fortnightly. Most recently, iSeaTree was updated on October 20, 2026 and Mushroom Observer on October 24, 2026.

---

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