Rockd vs Durango Public Library Catalog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rockd
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.
- Interactive global geologic maps
- 3D virtual globe exploration
- Field observation logging
- Offline map caching
- Paleogeographic map access
- Stratigraphic column viewing
- Geologic literature integration
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Explore, learn about, and document your geologic surroundings! Whether you are a professional geoscientist or curious about the rocks around you and the stories they tell, Rockd allows you to explore and learn about the geologic record, contribute your own observations, and log your journey through the geologic record. Features: - Instant access to geologic and geographic summaries of your current location via a Dashboard - Interactive global access to more than 290 geologic maps, with more being added weekly - Explore the landscape with a dynamic, 3D virtual globe - Save maps for use in the field with a built-in map caching system - See your past location and explore paleogeographic maps from C.R. Scotese and GPlates - View Macrostrat stratigraphic columns where available (beta) - Explore published literature containing mentions of mapped geologic units (when available) via xDD (formerly, GeoDeepDive) - Elevation data for most points on Earth from digital elevation models (DEMs) - Add your own field observations even offline; tag features from Macrostrat and the Paleobiology Database - Record strike/dip or trend/plunge for geologic features, using your phone's compass - Track your progress through the geologic record privately, or share it with others - See the public activity of other users and share your own and other public checkins using unique URLs Rockd is produced by the Macrostrat lab in the Department of Geoscience at the University of Wisconsin - Madison. Support provided by the National Science Foundation (NSF) and the Dept. of Geoscience. Experiencing issues? Send an email to contact@rockd.org and we will do our best to help you resolve it.
Durango Public Library Catalog
Manage your library account on the go. Search the catalog, place holds, and renew borrowed items directly from your mobile device.
- Manage library account
- Search catalog
- Renew books
- Reserve books
- Access from mobile device
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Access Durango Public Library from your iPhone, iPad or iPod Touch. Manage your account, search the catalog, renew and reserve books, and more!
Screenshots
Verdict
The clearest difference is review sentiment: Rockd at 74% against Durango Public Library Catalog's 0%. Rockd also leads on rating (4.4 vs 3.4) and ratings volume (187 vs 5). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 3.4. That said, the two scores are not equally well evidenced: Rockd has 187 ratings behind it against 5, 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 Durango Public Library Catalog's.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.
| Parameter | Rockd | Durango Public Library Catalog |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (187 ratings) — better | 3.4 (5 ratings) |
| Positive reviews | 73.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 187 — better | 5 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.2 — better |
| Further details — not scored | ||
| Size | 259 MB | 29 MB |
| Age rating | 4+ | 12+ |
| Developer | University of Wisconsin-Madison Shared Apps | City of Durango (Durango Public Library) |
Customer experience
Rockd
Durango Public Library Catalog
Bugs and requests
Rockd
Reported bugs
17 issues- 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
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- Fossils button not working
- Map returns to user location after viewing check-ins
- App crashes and becomes unresponsive
- Data loss after app reinstall or logout
- Maps fail to load after recent updates
- Location search functionality broken
- Android version windows not visible
- Straight lines appear when zooming
- Formations stop at state lines
- Check-in screen stuck with no exit option
- App won't load after initial use
- Geological overlay won't upload to base map
Requested features
16 requests- 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
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- Map legend/key for geological features
- Spanish language support
- Ability to move dashboard to different locations
- Latitude/longitude search functionality
- Multiple photo attachments per location
- Strike and dip data visualization
- Fault line labeling on maps
- Better Android version compatibility
- Tutorial or short course for advanced features
- Black contact lines between formations toggle
- Personal photo upload focus with mineral variations
Durango Public Library Catalog
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rockd
No in-app purchases
Durango Public Library Catalog
No in-app purchases
Questions
Is Rockd free?
Is Durango Public Library Catalog free?
Which has better reviews, Rockd or Durango Public Library Catalog?
Do Rockd or Durango Public Library Catalog have ads?
Which is updated more often, Rockd or Durango Public Library Catalog?
Other comparisons
