# Rockd vs Anaglyph 3D

The clearest difference is rating: Rockd at 4.4 against Anaglyph 3D's 3.0. Rockd also leads on ratings volume (187 vs 2). Anaglyph 3D's advantage is update cadence (every 4 days vs every 3 months). On price, review sentiment, ads and in-app purchases 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 3.0. That said, the two scores are not equally well evidenced: Rockd has 187 ratings behind it against 2, 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 67% of Anaglyph 3D's.

Rockd ships an update every 3 months, Anaglyph 3D every 4 days. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Rockd | Anaglyph 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (187 ratings)](https://appshunter.io/ios/app/rockd/id1153056624/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/anaglyph-3d/id6479565746/reviews) |
| Number of ratings | **187** | 2 |
| Positive reviews | **73.6% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 259 MB | 719 MB |
| Requires iOS | **16.6** | 17.2 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [University of Wisconsin-Madison Shared Apps](https://appshunter.io/developer/908478605) | [Limit Point Software](https://appshunter.io/developer/377981570) |

## 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


### Anaglyph 3D

[App page](https://appshunter.io/ios/app/anaglyph-3d/id6479565746)

This app generates 3D anaglyph images and videos from single photos or videos using depth prediction and machine learning. It creates stereo image pairs that, when viewed with special glasses, produce a convincing 3D effect.

**Highlights:** Generates anaglyphs from photos, Live Photos, and videos, Uses depth prediction and machine learning, Creates stereo image pairs from single images, Adjustable disparity intensity for 3D effect, Supports viewing with red-cyan glasses or VR headsets

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Rockd free?

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

### Is Anaglyph 3D free?

Anaglyph 3D is free to download, with no in-app purchases.

### Which has better reviews, Rockd or Anaglyph 3D?

Rockd is rated higher. Rockd averages 4.4 out of 5 from 187 ratings, while Anaglyph 3D averages 3.0 from 2 ratings.

### Do Rockd or Anaglyph 3D have ads?

Neither Rockd nor Anaglyph 3D shows ads.

### Which is updated more often, Rockd or Anaglyph 3D?

Rockd ships an update every 3 months, and Anaglyph 3D every 4 days. Most recently, Rockd was updated on November 6, 2026 and Anaglyph 3D on November 4, 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.*
