# Rockd vs A Deeper Map

The clearest difference is rating: A Deeper Map at 4.9 against Rockd's 4.4. A Deeper Map also leads on review sentiment (100% vs 73%) and iOS requirement (13.0 vs 16.6). Rockd's advantage is ratings volume (185 vs 15) and update cadence (every 3 months vs every 6 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.

A Deeper Map holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Rockd has 185 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 73% of Rockd's written reviews are positive against 100% of A Deeper Map's.

Rockd ships an update every 3 months, A Deeper Map every 6 months. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Rockd | A Deeper Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (185 ratings)](https://appshunter.io/ios/app/rockd/id1153056624/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/a-deeper-map/id1495257851/reviews)** |
| Number of ratings | **185** | 15 |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 259 MB | 49 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [University of Wisconsin-Madison Shared Apps](https://appshunter.io/developer/908478605) | [The Gartrell Group, Inc.](https://appshunter.io/developer/1495257850) |

## 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


### A Deeper Map

[App page](https://appshunter.io/ios/app/a-deeper-map/id1495257851)

Explore the ancient agricultural legacy of the Salt River Valley through a map-based app. Compare contemporary and prehistoric maps to understand how the landscape has transformed over time. Learn about the sophisticated prehistoric irrigation systems that shaped the modern desert metropolis.

**Highlights:** Map-based public art project, Juxtaposes ancient and modern maps, Three map view modes (opaque, translucent, satellite), Reveals prehistoric irrigation and agriculture, Culturally sensitive and accurate content, Content explaining historical relevance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rockd free?

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

### Is A Deeper Map free?

A Deeper Map is free to download, with no in-app purchases.

### Which has better reviews, Rockd or A Deeper Map?

A Deeper Map is rated higher. Rockd averages 4.4 out of 5 from 185 ratings, while A Deeper Map averages 4.9 from 15 ratings.

### Do Rockd or A Deeper Map have ads?

Neither Rockd nor A Deeper Map shows ads.

### Which is updated more often, Rockd or A Deeper Map?

Rockd ships an update every 3 months, and A Deeper Map every 6 months. Most recently, Rockd was updated on September 18, 2026 and A Deeper Map on September 8, 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.*