210+ iOS apps curated and reviewed
AquaFacts is the household name in aquafacts, but it's far from the only option. We track 210+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | Yes | No | May 2026 |
| 2 |  | Free | 4.6★ (3.9K) | No | Yes | Jul 2026 |
| 3 |  | Free | 2.8★ (202) | No | No | Jul 2026 |
| 4 |  | Free | 4.5★ (3.8K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.8★ (127K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.7★ (11K) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.2★ (452) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.4★ (1.6K) | No | Yes | Jul 2026 |
Explore and understand any property with detailed data cards and 3D visualizations. Access ownership details, boundaries, terrain topography, and available services nationwide. Includes offline access for in-field use.
Capture precise, location-aware data in the field using smart forms, even offline. Seamlessly sync collected information with your ArcGIS platform for real-time analysis and decision-making. Ideal for public feedback, inspections, and documenting field conditions.
This app provides interactive GPS maps for over 50,000 trout streams across the US. Discover fishing spots, navigate public access points, and view real-time stream conditions. Plan your next fly fishing adventure with detailed maps and custom markups.
Navigate any terrain with offline GPS maps, even without cell service. Explore a vast Map Store for hiking, biking, and travel, or import your own custom maps. Record tracks, add notes, and identify your location precisely.
Monitor river levels, flow rates, and flood warnings with real-time data and forecasts. Get custom alerts for your favorite waterways and visualize trends with interactive graphs. Essential for anyone living, working, or recreating near water.
Navigate oilfields with turn-by-turn directions on proprietary lease roads. Search and map well sites, optimize routes for multiple destinations, and access updated satellite imagery. Offline access and cloud profiles ensure you stay connected and organized in the field.
Identify rocks and minerals instantly with a photo. Organize your personal collection, discover global specimens, and connect with a community marketplace to buy and sell. Perfect for collectors, geologists, and enthusiasts of all levels.
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.
Instantly identify rocks, minerals, and gems by snapping a photo. Explore detailed profiles, manage your personal collections, and keep a log of all your discoveries. Become a geology expert with this comprehensive guide.
Instantly identify fish species using your camera and access up-to-date local fishing regulations. Track your catches, log important fishing data, and store your licenses digitally. Premium features offer advanced identification, weather, and expert advice.
This app helps aquarium owners plan their tanks and avoid common mistakes. It checks fish compatibility and tank stocking levels, offering information on over 1000 fish species. You can save and share your aquarium setups.
Identify rocks, minerals, and crystals from photos with high accuracy. Explore their properties, discover nearby deposits on a map, and build your own digital collection. Learn fascinating facts about stones from around the world.
Discover what's in your bottled or tap water with detailed reports and easy-to-understand ratings. Scan barcodes or search by location to compare brands, identify contaminants, and make informed choices for your health.
Access real-time water levels, flows, and temperatures for rivers worldwide. Ideal for sports enthusiasts and professionals, it offers detailed maps, navigability information, and customizable alerts for over 40,000 hydrometric stations.
Manage your water and sewer services with this app. Pay bills, view your account history, and report emergencies. Stay updated with WSSC Water news and access customer resources.
Access detailed soil survey information based on your current location. View soil profile sketches, estimated proportions, and geomorphic positions. Get aggregate data like water holding capacity and links to official soil descriptions.
Access real-time data and management details for lakes and dams within the Tennessee Valley Authority region. This app provides lake levels, water release schedules, and insights into lake management practices, along with recreational information.
Discover the world below and clouds above with offline maps and points of interest during your flight, hike, or road trip. This app uses GPS to reveal geologic maps, fossil locations, and Wikipedia articles without needing an internet connection.
Discover oil and gas well locations with this app. Search by well name or API number, view operator information, and see wells displayed on a map. Supports numerous states across the US.