# GLOBE Observer vs Measure tree heights

The clearest difference is rating: GLOBE Observer at 3.1 against Measure tree heights's 1.4. GLOBE Observer also leads on review sentiment (34% vs 0%) and ratings volume (86 vs 5). 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.

GLOBE Observer holds the better App Store score, 3.1 against 1.4. That said, the two scores are not equally well evidenced: GLOBE Observer has 86 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 34% of GLOBE Observer's written reviews are positive against 0% of Measure tree heights's.

## The numbers

| Metric | GLOBE Observer | Measure tree heights |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (86 ratings)](https://appshunter.io/ios/app/globe-observer/id1090456751/reviews)** | [1.4 (5 ratings)](https://appshunter.io/ios/app/measure-tree-heights/id1463335567/reviews) |
| Number of ratings | **86** | 5 |
| Positive reviews | **33.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Best chart rank | **#206** | — |
| Size | 5 MB | 34 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NASA](https://appshunter.io/developer/355542146) | [illumie AS](https://appshunter.io/developer/1119329194) |

## What reviewers say

### GLOBE Observer

[App page](https://appshunter.io/ios/app/globe-observer/id1090456751)

**Currently charting:** #206 Top Free · Education (US App Store)

Contribute to real scientific research by making environmental observations. Document clouds, mosquito habitats, land cover, and trees using your mobile device. Your data supports scientists worldwide, including NASA and NOAA.

**Highlights:** Make environmental observations, Document clouds, Map mosquito habitats, Record land cover, Measure tree height, Contribute to scientific research

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for citizen science
- 💡 Educational and informative
- 👍 Easy to use (for some)
- 👍 Meaningful environmental measurements
- 👍 Fun and engaging

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Login/update issues
- 🐛 Account creation problems
- 🐛 Observations not submitting
- 🐛 Poor UI/UX design

**Reported bugs**

- Checking for updates loop
- 504 error on account creation
- Fails after step 5 in account creation
- Robot verification loop
- App crashes on opening

**Requested features**

- Improve UI/UX design
- Add dark mode
- Better translation
- Notifications for satellite flyovers
- Integrate with WorldView or Google Earth


### Measure tree heights

[App page](https://appshunter.io/ios/app/measure-tree-heights/id1463335567)

This augmented reality app allows users to measure the height of tall objects like trees and buildings using their device. It provides a simple way to get approximate measurements without physical tools.

**Highlights:** Measure tree heights, Measure building heights, Augmented reality technology, Simple to use

**In-app purchases:** none


## Frequently asked questions

### Is GLOBE Observer free?

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

### Is Measure tree heights free?

Measure tree heights is free to download, with no in-app purchases.

### Which has better reviews, GLOBE Observer or Measure tree heights?

GLOBE Observer is rated higher. GLOBE Observer averages 3.1 out of 5 from 86 ratings, while Measure tree heights averages 1.4 from 5 ratings.

### Do GLOBE Observer or Measure tree heights have ads?

Neither GLOBE Observer nor Measure tree heights shows ads.

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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.*