# Rockd vs Chocorua Map

The clearest difference is rating: Rockd at 4.4 against Chocorua Map's 3.7. Rockd also leads on ratings volume (185 vs 3). Chocorua Map's advantage is iOS requirement (14.0 vs 16.6). On price, update cadence, 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 3.7. That said, the two scores are not equally well evidenced: Rockd has 185 ratings behind it against 3, so its average is the more settled of the two.

Rockd ships an update every 3 months, Chocorua Map every 2 months. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Rockd | Chocorua Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (185 ratings)](https://appshunter.io/ios/app/rockd/id1153056624/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/chocorua-map/id1475276985/reviews) |
| Number of ratings | **185** | 3 |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 259 MB | 272 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [University of Wisconsin-Madison Shared Apps](https://appshunter.io/developer/908478605) | [Richard Allmendinger](https://appshunter.io/developer/1194772609) |

## 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


### Chocorua Map

[App page](https://appshunter.io/ios/app/chocorua-map/id1475276985)

Explore trails and points of interest around Mt. Chocorua and its lake with this offline map guide. Track your position, measure distances, and learn about the area's history and geology. Create and privately store your own points of interest with photos.

**Highlights:** Offline trail and POI map, GPS location tracking, Distance and compass measurement, Historical and geological information, User-created POIs with photos, Self-contained, no internet needed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rockd free?

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

### Is Chocorua Map free?

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

### Which has better reviews, Rockd or Chocorua Map?

Rockd is rated higher. Rockd averages 4.4 out of 5 from 185 ratings, while Chocorua Map averages 3.7 from 3 ratings.

### Do Rockd or Chocorua Map have ads?

Neither Rockd nor Chocorua Map shows ads.

### Which is updated more often, Rockd or Chocorua Map?

Rockd ships an update every 3 months, and Chocorua Map every 2 months. Most recently, Rockd was updated on September 18, 2026 and Chocorua Map on September 14, 2026.

---

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