Rockd vs Vumba
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.
Vumba
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Vumba Mobile App for Educators The Vumba Mobile App is an innovative, user-friendly application designed specifically for educators to streamline the delivery of programs, track attendance, and progress of participants. This app integrates seamlessly with the Vumba webapp platform, providing a comprehensive suite of tools and features to enhance the educational experience for both educators and program participants. Key Features: a. Schedule Management: • Schedule Overview: Educators can easily see at a glance all upcoming lessons and activities they have, with onec click downloading of teaching resources. • Site Overviews: Utilize the interactive site maps to see where lessons and activities will be delivered, and navigate to the sites with ease. b. Attendance Tracking: • Real-Time Attendance: Track student attendance in real-time with a simple check-in feature. Educators can go beyond simple Absent / Present and can mark attendees as Late for more accurate reporting c. Progress Tracking: • Class List Tracking: Access class lists to log skills and notes data against individuals or in bulk for the entire class, in real time, while conducting the Lesson or Activity. d. Resource Management: • Lesson and Activity Library: Access all assigned Lessons and Activities in one space, allowing for easy downloading of resources and planning of program activities and lessons. • Cloud Storage: Securely access course materials and student data in the cloud, ensuring accessibility and data protection. e. User-Friendly Interface: • Intuitive Design: The app features an intuitive, user-friendly interface that makes navigation and usage straightforward for educators of all tech proficiency levels. • Mobile Optimized: Optimized for mobile devices, the app ensures a seamless experience across smartphones, allowing educators to manage their programs on-the-go. f. Integration and Compatibility: • Seamless Integration: Fully integrated with the Vumba webapp platform, the mobile app ensures synchronization of data and smooth operation across both platforms. Benefits: • Enhanced Efficiency: Streamline administrative tasks, allowing educators to focus more on teaching and participant engagement. • Improved Participant Outcomes: Track and support participant progress effectively, leading to better educational outcomes. • Flexible Learning: Support diverse learning styles and schedules with mobile access to course materials and tools. • Data-Driven Insights: Leverage detailed analytics and reports to make informed decisions and improve program effectiveness.
Screenshots
Verdict
The clearest difference is iOS requirement: Vumba at 14.0 against Rockd's 16.6. 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 ships an update every 3 months, Vumba every 6 weeks. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.
| Parameter | Rockd | Vumba |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (185 ratings) — better | — |
| Positive reviews | 73.6% of reviews | — |
| Number of ratings | 185 — better | — |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 259 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | University of Wisconsin-Madison Shared Apps | CVC web solutions |
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
Vumba
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rockd
No in-app purchases
Vumba
No in-app purchases









