eBird vs ABA/AOU Bird Codes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eBird
Easily record bird sightings in the field and contribute to a global database for scientific research and conservation. This app offers offline functionality, customized checklists, and GPS-enabled location plotting.
- Record bird observations globally
- Global taxonomy and local common names
- Location and time-based checklists
- Rare species flagging
- Offline functionality
- GPS location plotting
- Trip and day list tracking
Read full descriptionHide full description
eBird Mobile makes it easy to record the birds you see in the field, and seamlessly link these observations with eBird--a global online database of bird records used by hundreds of thousands of birders around the world. This free resource makes it easy to keep track of what you see, while making your data openly available for scientific research, education, and conservation. eBird Mobile is the only app that passes information directly from the iOS device to your eBird account on the web. Features - Enter bird observations from any location around the world. - Full global taxonomy based on The Clements Checklist of Birds of the World. - Common names available in local languages (e.g., Portuguese names in Brazil or in Portugal). - Checklists customized for your location and time of year, showing most likely species based on eBird data. - Rare species flagged during data entry and on the checklist. - "Record as you go" functionality for incremental list keeping and counting while birding. - GPS enabled location plotting to ensure accuracy. - Map tools that enable selecting from hundreds of thousands of eBird "Hotspots." - Full offline functionality, enabling use in places with limited or no Internet connection. - Trip and Day list functionality that makes it easy to keep track of your species list on a particular outing. - Support for iPhone, iPad, and iPod Touch. - Entire app translated to German, Mandarin, French, Spanish, Portuguese (Brazil), Turkish, and Dutch.
ABA/AOU Bird Codes
This app provides a quick reference for ornithological bird codes, used in data collection and field notes. It allows users to search and sort by common name, scientific name, or code, and toggle between ABA and AOU bird lists. Includes USGS species numbers and banding sizes.
- Quick bird code lookup
- Sort by common/scientific name or code
- Toggle ABA/AOU bird lists
- USGS Species Numbers
- Banding Sizes
Read full descriptionHide full description
In the world of ornithology and bird watching, alpha codes are a shorthand for describing a specific bird. These codes are an abbreviation of a bird’s common(4 letters) or scientific(6 letters) name and are used in banding data, field notes, and other data collection projects. Schechter Natural History’s Bird Codes is a simple tool to look up bird reporting codes for the ABA and AOU.* Features include * Quick search and bird lookup * Sort by common name, scientific name, or code * Toggle between viewing a list of birds included in the AOU or the ABA * USGS Species Numbers and Banding Sizes We hope you find the Schechter Natural History’s Bird Codes to be a helpful tool for your outdoor adventures and a fun and informative reference for home use. *The American Ornithologists’ Union (AOU) includes birds recorded in North America, Mexico, Central America, and the Caribbean region. Whereas the American Birding Association (ABA) only contains birds in North America.
Screenshots
Verdict
The clearest difference is review sentiment: ABA/AOU Bird Codes at 100% against eBird's 37%. ABA/AOU Bird Codes also leads on rating (5.0 vs 3.8) and iOS requirement (15.1 vs 18.0). eBird's advantage is price (Free vs $0.99) and ratings volume (803 vs 1). On ads, in-app purchases and device support 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
eBird is free to download; ABA/AOU Bird Codes costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ABA/AOU Bird Codes holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: eBird has 803 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 37% of eBird's written reviews are positive against 100% of ABA/AOU Bird Codes's.
eBird ships an update monthly, ABA/AOU Bird Codes every 3 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.
| Parameter | eBird | ABA/AOU Bird Codes |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.8 (803 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 36.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 803 — better | 1 |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #132 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 81 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Cornell University | Schechter Natural History LLC |
Customer experience
eBird
ABA/AOU Bird Codes
Bugs and requests
eBird
Reported bugs
5 issues- App crashes when trying to start a new checklist
- Inability to log in or access account
- Inconsistent behavior with bird pack downloads
- Checklist data not syncing across devices
- Explore feature not working as expected
Requested features
5 requests- Add ability to upload photos and audio directly in the app
- Implement alphabetical sorting for checklists
- Improve syncing between app and website
- Add more advanced filtering and search options
- Provide offline access to bird information
ABA/AOU Bird Codes
Not enough reviews yet to summarise bugs or requests.
In-app purchases
eBird
No in-app purchases
ABA/AOU Bird Codes
No in-app purchases







