Merlin Bird ID is a reference app for bird identification using machine learning, available on iOS and Android.
Product velocity
Active
Daily rank 🇺🇸
#15
▲2Reference · free
Sentiment
4.9
267k reviews
Nemesis
Picture Bird: Bird identifier
The App DNA
What makes this app unique?
Users hire Merlin to translate complex avian observations into verified data, relying on the Cornell Lab's scientific database to build personal life lists.
For Bird watchers and outdoor enthusiasts ranging from beginners to experts seeking identification tools and regional birding data.
What does it look like?
Key features
Real-time identification of bird songs and calls using on-device machine learning
Image recognition for bird species using training sets from the Macaulay Library
Digital scrapbook for tracking and saving identified bird sightings
How much does it cost?
The app operates as a non-profit, donor-supported utility with no paid tiers or ad-supported inventory.
Velocity
Active developmentnew contentinternationalizationUX improvementsShow more...
Merlin Bird ID is currently shipping at a rate of approximately 0.5 releases per week, placing it in the active category. Development is focused on expanding the app's core identification capabilities and geographic reach, with the latest updates adding hundreds of species across multiple continents. The release notes are descriptive and feature-heavy, indicating a clear roadmap for content expansion and UX improvements. The cadence is stable, with consistent feature parity maintained between the Android and iOS platforms.
Who built it?
Cornell University
13+ apps tracked · Reference
eBird
NestWatch by the Cornell Lab
Project FeederWatch
Cornell Connects
Cornell Vet preVet Tracker
Cornell Chatter
Cornell CG
Cornell Vet Purrfect Weight
AHDC Mobile
Work Zone NYS
SwiftOne Quick Utility
CES Events, by CventUser Sentiment
What do users think recently?
The recent review mood reads excited. Users appreciate audio identification technology provides accurate and educational birding experiences for users of all skill levels, but report removal of automatic recording saves following the latest update causes significant data loss for field users.
How are ratings & reviews evolving?
What users say, by theme
- Audio identification technology provides accurate and educational birding experiences for users of all skill levels
- Removal of automatic recording saves following the latest update causes significant data loss for field users
100 of 149 recent reviews analyzed · high confidence · Excited overall
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Merlin Bird ID by Cornell Lab
How's the Reference market?
Merlin holds the #2 Free position in the US Reference category. The lack of monetization relative to competitors like Picture Bird highlights a focus on scientific reach over revenue.
Read the market outlookThe rivals identified
By Next Vision Limited
This is the only direct competitor with a massive, comparable user base and a singular focus on AI-driven bird identification.
- Monetizes through aggressive premium subscription models that contrast with this app's free, non-profit academic approach.
- Focuses on a streamlined, consumer-first identification flow that prioritizes speed over this app's deep scientific data.
- Maintains a high-velocity release cadence to keep pace with evolving computer vision models in the identification space.
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Merlin Bird ID by Cornell Lab
Where is it heading?
The reference category is shifting toward more commercialized, frictionless identification tools, putting pressure on Merlin's science-first, non-profit model. The latest update's technical regressions suggest a need to prioritize reliability over feature expansion to avoid losing the power-user base to more polished commercial rivals.
- The removal of automatic recording saves in the latest update triggers data-loss complaints, which threatens the app's reputation for reliability.
- Expanded Sound ID coverage for international regions demonstrates active investment in the core identification engine, maintaining its value for global users.
The SWOT
- eBird database integration provides unmatched scientific credibility
- Non-profit status builds high user trust
- Offline regional packs ensure utility in remote field conditions
- Implement user-feedback loops for model training
- Add social sharing features to increase viral growth
- Expand B2B partnerships with nature centers
Next best moves
Restore automatic recording saves as a configurable setting because it is the top-cited complaint → stabilize retention
+ 1 more prioritized moveThe counter-intuitive read
The app's non-profit status is a competitive liability…
Read the full takeFeature gaps
Aggressive premium subscription models (available in Picture Bird) +1
Since the last report: The app expanded its global identification capabilities but suffered a significant decline in user sentiment due to the removal of automatic recording saves.
Bottom line
Merlin Bird ID maintains category leadership through superior scientific data, but the recent removal of automatic recording saves threatens the core field-documentation workflow, so the team must prioritize restoring autosave to prevent power-user churn.
Unlock 3 critical frictions, 3 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated