# Rockd vs Measure tree heights

The clearest difference is review sentiment: Rockd at 74% against Measure tree heights's 0%. Rockd also leads on rating (4.4 vs 1.5) and ratings volume (187 vs 6). Measure tree heights's advantage is iOS requirement (12.0 vs 16.6). 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.

Rockd holds the better App Store score, 4.4 against 1.5. That said, the two scores are not equally well evidenced: Rockd has 187 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 74% of Rockd's written reviews are positive against 0% of Measure tree heights's.

## The numbers

| Metric | Rockd | Measure tree heights |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (187 ratings)](https://appshunter.io/ios/app/rockd/id1153056624/reviews)** | [1.5 (6 ratings)](https://appshunter.io/ios/app/measure-tree-heights/id1463335567/reviews) |
| Number of ratings | **187** | 6 |
| Positive reviews | **73.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | Free |
| Size | 259 MB | 34 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [University of Wisconsin-Madison Shared Apps](https://appshunter.io/developer/908478605) | [illumie AS](https://appshunter.io/developer/1119329194) |

## What reviewers say

### Rockd

[App page](https://appshunter.io/ios/app/rockd/id1153056624)

Discover and document the geology around you. Access global geologic maps, 3D globes, and detailed summaries of your surroundings. Contribute your own observations and track your exploration of Earth's geologic history.

**Highlights:** Interactive global geologic maps, 3D virtual globe exploration, Field observation logging, Offline map caching, Paleogeographic map access, Stratigraphic column viewing, Geologic literature integration

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

**In-app purchases:** none

**What reviewers like**

- 🗺️ Comprehensive geological maps with detailed information
- 💡 Innovative integration of peer-reviewed references and literature
- 🧭 Built-in Brunton compass and clinometer tools
- 📱 User-friendly interface and intuitive navigation
- 🌍 Global coverage with paleomaps and stratigraphic data

**What reviewers complain about**

- 🐛 Black map display issues in offline and online modes
- 📍 GPS tracking and real-time position updates failing
- 🔌 Offline functionality severely limited or broken
- 🔐 Persistent login requirement without password saving
- ⚠️ Error dialogs that won't dismiss

**Reported bugs**

- Black map display in airplane mode and online
- Persistent error dialogs that cannot be dismissed
- GPS not tracking in real-time
- Offline check-ins not syncing properly
- Sign-up page jumps between fields and login page

**Requested features**

- Follow/friend mechanic to track other users' check-ins
- Rock identification tool from photo uploads
- Offline map download with customizable zoom levels
- Stereonet tool for structural geology
- Groundwater/aquifer information section


### 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 Rockd free?

Rockd 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, Rockd or Measure tree heights?

Rockd is rated higher. Rockd averages 4.4 out of 5 from 187 ratings, while Measure tree heights averages 1.5 from 6 ratings.

### Do Rockd or Measure tree heights have ads?

Neither Rockd nor Measure tree heights shows ads.

---

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