Comparison

Rockd vs campGEO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

campGEO

This app offers audio discussions paired with visuals and transcripts for easier learning. Navigate audio content using images or text, and download materials for offline access. It's designed for convenient, on-the-go education.

Highlights
  • Audio discussions with key images
  • Linked transcripts for navigation
  • Offline listening support
  • Access to national parks books
  • Easy on-the-go learning
Features
Read full description

Learn easier with campGEO. Exciting audio discussions with all the images you need to learn. Think podcasts with key images included! You also get transcripts that are directly linked to the audio files, allowing you to use images or transcripts to easily navigate to the portion of the audio discussion that is most applicable. Learning and listening made easy! With hours of audio discussions linked to key images and transcripts, we have made learning on the go so much easier. You can download files to listen offline, gain access to books on national parks, and so much more. Download the app now to learn everything you need! If you are having technical issues, please contact us using the contact form here https://www.campcourses.com/contact, or reach out on social media channels by contacting @planetgeocast.

Screenshots

Rockd4 screens
campGEO4 screens

Verdict

The call

The clearest difference is in-app purchases: Rockd at none against campGEO's 10. Rockd also leads on ratings volume (187 vs 24). campGEO's advantage is rating (4.8 vs 4.4) and update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. campGEO sells 10 one-off in-app purchases. Rockd asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

campGEO holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Rockd has 187 ratings behind it against 24, 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 100% of campGEO's.

UpkeepUpdate frequency

Rockd ships an update every 3 months, campGEO every 2 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Rockd versus campGEO: the parameters behind the verdict, then further details
ParameterRockdcampGEO
PriceFreeFree
Rating4.4 (187 ratings)4.8 (24 ratings) — better
Positive reviews73.6% of reviews100.0% of reviews — better
Number of ratings187 — better24
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.6 — better
Further details — not scored
Size259 MB53 MB
Age rating4+4+
DeveloperUniversity of Wisconsin-Madison Shared AppsCamp Courses

Customer experience

Rockd

All ratings185 ratings
Positive82.2%
Neutral7.6%
Negative10.3%
Written reviews91 reviews
Positive73.6%
Neutral13.2%
Negative13.2%

campGEO

All ratings24 ratings
Positive95.8%
Neutral0.0%
Negative4.2%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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
Show 12 more
  • 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
Show 11 more
  • 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

campGEO

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Rockd

No in-app purchases

10 purchases

campGEO

One-time10
  • Earth's Climate$3.99
  • The Geology of Mammoth Cave$6.99
  • Earth's Oldest Rocks$8.99
Show 7 more
  • Long Valley Caldera$9.99
  • Geology Rocks!$14.99
  • Gettysburg$14.99
  • Roadside Geology of Colorado$24.99
  • The Grand Tetons$24.99
  • Yellowstone National Park$29.99
  • The Grand Canyon$29.99

Questions

Is Rockd free?
Rockd is free to download, with no in-app purchases.
Is campGEO free?
campGEO is free to download, with in-app purchases available.
Which has better reviews, Rockd or campGEO?
campGEO is rated higher. Rockd averages 4.4 out of 5 from 187 ratings, while campGEO averages 4.8 from 24 ratings.
Do Rockd or campGEO have ads?
Neither Rockd nor campGEO shows ads.
Which is updated more often, Rockd or campGEO?
Rockd ships an update every 3 months, and campGEO every 2 weeks. Most recently, Rockd was updated on October 21, 2026 and campGEO on October 24, 2026.

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