# Rockd vs ArcGIS Maps SDK Samples

Rockd and ArcGIS Maps SDK Samples both sit at 4.4 stars, but that hides the real split: 73% of Rockd's written reviews are positive against 0% of ArcGIS Maps SDK Samples's. Rockd also leads on ratings volume (185 vs 9) and iOS requirement (16.6 vs 18.0). On price, rating, update cadence 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.

ArcGIS Maps SDK Samples holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Rockd has 185 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 73% of Rockd's written reviews are positive against 0% of ArcGIS Maps SDK Samples's, so the app with the better star average is not the one people write more warmly about.

Rockd ships an update every 3 months, ArcGIS Maps SDK Samples every 4 months. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Rockd | ArcGIS Maps SDK Samples |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (185 ratings)](https://appshunter.io/ios/app/rockd/id1153056624/reviews) | **[4.6 (9 ratings)](https://appshunter.io/ios/app/arcgis-maps-sdk-samples/id1630449018/reviews)** |
| Number of ratings | **185** | 9 |
| Positive reviews | **73.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 259 MB | 141 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [University of Wisconsin-Madison Shared Apps](https://appshunter.io/developer/908478605) | [ESRI](https://appshunter.io/developer/379687933) |

## 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


### ArcGIS Maps SDK Samples

[App page](https://appshunter.io/ios/app/arcgis-maps-sdk-samples/id1630449018)

Explore interactive samples showcasing powerful mapping and visualization capabilities. Learn to integrate advanced features like augmented reality, data editing, and spatial analysis into your own applications by viewing and adapting the provided source code.

**Highlights:** Interactive map and scene samples, Augmented reality visualization, Data editing and offline capabilities, Spatial analysis and routing, View and adapt source code, Search and query functionality

**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 ArcGIS Maps SDK Samples free?

ArcGIS Maps SDK Samples is free to download, with no in-app purchases.

### Which has better reviews, Rockd or ArcGIS Maps SDK Samples?

ArcGIS Maps SDK Samples is rated higher. Rockd averages 4.4 out of 5 from 185 ratings, while ArcGIS Maps SDK Samples averages 4.6 from 9 ratings.

### Do Rockd or ArcGIS Maps SDK Samples have ads?

Neither Rockd nor ArcGIS Maps SDK Samples shows ads.

### Which is updated more often, Rockd or ArcGIS Maps SDK Samples?

Rockd ships an update every 3 months, and ArcGIS Maps SDK Samples every 4 months. Most recently, Rockd was updated on September 30, 2026 and ArcGIS Maps SDK Samples on October 1, 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.*