249+ iOS apps curated and reviewed
Out of 249+ stefan kahl apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (6) | No | No | Aug 2026 |
| 2 |  | Free | 4.0★ (212) | No | No | Aug 2026 |
| 3 |  | Free | 4.9★ (111K) | No | No | Aug 2026 |
| 4 |  | Free | — | No | Yes | Jul 2026 |
| 5 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
| 6 |  | Free | — | No | Yes | Aug 2026 |
| 7 |  | Free | 4.4★ (23) | No | No | Aug 2026 |
| 8 |  | Free | 4.0★ (639) | No | No | Aug 2026 |
Identify bird species by their songs and calls directly on your device, even offline. This app provides real-time spectrograms, species detections, and tools for structured bioacoustic research and surveys. Manage your sound library and contribute to scientific understanding.
Identify bird species by their sounds using AI. Record audio with your device and discover the birds around you. Contribute to conservation research by submitting your recordings.
Easily identify birds by sight or sound using advanced machine learning. Explore birds in your region, track your sightings, and learn about species with photos, sounds, and range maps. This free app from the Cornell Lab of Ornithology helps build your birding skills.
This app predicts bird species encounters based on location, weather, and migration patterns. It offers a species explorer, personal observation journal, and community trends for bird enthusiasts.
Identify bird species through sound with this bioacoustics app. It connects to a specialized device to detect and display real-time species information from a vast database. Explore global wildlife activity and gain insights into nature's soundscapes.
Identify plants, animals, and fungi using your camera or imported photos. Get AI-powered species suggestions and connect with a global community of nature enthusiasts to learn more about the natural world and contribute to scientific conservation efforts.
This app teaches you to identify bird songs and calls through interactive daily lessons and quizzes. It offers a comprehensive guide with over 250 species and focuses on ear training to build your birding skills.
This app is a social platform for birdwatching enthusiasts to log activities, track progress, and connect with others. It offers daily check-ins, a data dashboard, seasonal birding information, and a community forum.
Connect with fellow birdwatchers, track your sightings, and identify new species with AI assistance. Share your birding adventures and discover rare finds in a supportive community.
Easily record bird sightings and other wildlife observations from your mobile device. Track your lists, explore local birdwatching spots, and contribute to vital research and conservation efforts. Your data syncs seamlessly with your online account.
Instantly identify birds by their song or a photo using advanced AI. Get detailed information and ask an AI chatbot questions about bird species, habitats, and behaviors. Perfect for beginners and experts alike.
Contribute to vital tree research by identifying and tagging healthy trees in your area. Your data helps scientists study genetic diversity and develop better tree breeding programs to combat invasive diseases and pests.
Identify North American birds with this comprehensive field guide. Features include a bird ID tool based on observations, detailed species information with photos and audio, and a personal sightings log. Discover nearby birding locations and connect with conservation efforts.
Track live wildfires with real-time data on a map and in a feed. Access detailed fire perimeters, news updates, and air quality measurements. Users can also report nearby fires with photos and location data.
This app provides expert-level identification for North America's diurnal raptors. It features nearly 1000 annotated photos and videos to help users identify birds in flight, catering to both beginners and experienced birdwatchers.
This app facilitates collaboration between South Carolina citizens and the Forestry Commission to protect and enhance forest lands. Users can view current wildfires, receive burn notifications, and connect via social media.