Comparison

Project FeederWatch vs Monarch Watch

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Project FeederWatch

Easily report bird sightings from your feeder for scientific research. Track your statistics, access past counts, and learn about local feeder birds. Contribute to a large database that aids conservation efforts.

Highlights
  • Report winter bird sightings
  • Track sighting statistics
  • Access past count archives
  • Contribute to bird population database
  • Discover best food and feeder types
  • Identify and learn about feeder birds
Features
Read full description

Do you feed birds? You can report what you see for science. Project FeederWatch, a joint project of the Cornell Lab of Ornithology and Birds Canada, monitors winter feeder-bird populations in North America. The FeederWatch Mobile App is a new way for Project FeederWatch members to contribute their bird counts. Sign in to: •Report birds that visit your count site in winter (US and Canada only) •Track your sighting statistics in real time •Access your archive of past counts from all years •Contribute to North America’s largest database on feeder birds •Find out what food and feeder types work best for the birds overwintering near you •Identify and learn about feeder birds FeederWatch Mobile automatically syncs with the web version for seamless multi-platform support. Your data become immediately available for scientific research, education, and conservation. Thank you for helping birds!

About

Monarch Watch

Contribute to citizen science by tracking monarch butterflies. Log tagging, recovery, and calendar data with automatic image capture and field data import. Save data offline for later submission.

Highlights
  • Monarch tagging data submission
  • Recovery and calendar data logging
  • Automatic tag image capture
  • Streamlined data entry
  • Offline data saving
  • Educational materials
Features
Read full description

Participate in Monarch Watch community science projects and submit your monarch tagging, recovery and calendar data! Capture images of tags and automatically import codes for streamlined data entry. Easily import location, date, weather and other information then instantly submit data in the field. If no network connection is available, data may be saved and submitted later. All data from tagging, recovery, and calendar projects are saved on your device, giving you a record of what you have submitted. Detailed tagging instruction is provided as well as other educational materials and activities.

Screenshots

Project FeederWatch4 screens
Monarch Watch4 screens

Verdict

The call

The clearest difference is review sentiment: Monarch Watch at 100% against Project FeederWatch's 33%. Monarch Watch also leads on rating (4.7 vs 3.0) and monetization model (free vs ad-supported). Project FeederWatch's advantage is ratings volume (68 vs 7). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Monarch Watch holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Project FeederWatch has 68 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 33% of Project FeederWatch's written reviews are positive against 100% of Monarch Watch's.

UpkeepUpdate frequency

Project FeederWatch ships an update every 2 months, Monarch Watch monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Project FeederWatch versus Monarch Watch: the parameters behind the verdict, then further details
ParameterProject FeederWatchMonarch Watch
PriceFreeFree
Rating3.0 (68 ratings)4.7 (7 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings68 — better7
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size63 MB86 MB
Age rating4+4+
DeveloperCornell UniversityThe University of Kansas

Customer experience

Project FeederWatch

All ratings68 ratings
Positive41.2%
Neutral13.2%
Negative45.6%
Written reviews45 reviews
Positive33.3%
Neutral17.8%
Negative48.9%

Monarch Watch

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Project FeederWatch

Reported bugs

40 issues
  • Birds saved then disappear
  • Counts get lost
  • Entries not saved consistently
  • Part of data not recorded
  • App deletes counts
Show 35 more
  • App freezes/hangs regularly
  • Connection fails repeatedly
  • App is slow to respond
  • Opens to a blank black screen
  • App doesn't recognize submitted through browser
  • Entering total observation doesn't work
  • Freezes after entering most data
  • Frequent freezes and server problems
  • App freezes when coming up
  • App freezes frequently on iPad Pro
  • Forced to close and reload app
  • No way to enter data offline
  • App freezes after using for 2 minutes
  • Login problem fixed but causes freezing
  • Login fails, incorrect password/account not activated
  • Cannot alter/fix incorrect bird count
  • Cannot delete sightings
  • Cannot zero out a bird count
  • Account not activated message
  • Latest update doesn't work
  • Server doesn't want to connect
  • App doesn't connect
  • Screen goes all black
  • Logins become a nightmare for months
  • App goes to a totally black screen after appearing to be launching
  • Lost bird count due to black screen lock up
  • Regularly fails to recognize login
  • Zero observations reported initially
  • Cannot log in, account not activated
  • App doesn't work at all after update
  • App directs to log in on website, but still doesn't load data
  • Can't enter dates correctly
  • App doesn't report a problem with version, but newer version exists
  • Repeatedly freezes to the point of needing to power off/on
  • Froze if left open too long

Requested features

19 requests
  • Fix data loss issues
  • Improve app stability
  • Resolve login problems
  • Add offline data entry
  • Provide taxonomic sort option
Show 14 more
  • Enable data entry by alpha code
  • Fix blank black screen on launch
  • Allow alteration/deletion of incorrect counts
  • Add French language version
  • Improve iPad functionality
  • Make app more robust for all users
  • Ensure consistent data saving
  • Fix server connection issues
  • Update app more frequently
  • Improve user interface for better screen utilization
  • Fix issues with switching between apps
  • Allow editing of submitted counts
  • Improve handling of large counts
  • Ensure all species counts are saved

Monarch Watch

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Project FeederWatch

No in-app purchases

None

Monarch Watch

No in-app purchases

Questions

Is Project FeederWatch free?
Project FeederWatch is free to download, with no in-app purchases.
Is Monarch Watch free?
Monarch Watch is free to download, with no in-app purchases.
Which has better reviews, Project FeederWatch or Monarch Watch?
Monarch Watch is rated higher. Project FeederWatch averages 3.0 out of 5 from 68 ratings, while Monarch Watch averages 4.7 from 7 ratings.
Do Project FeederWatch or Monarch Watch have ads?
Neither Project FeederWatch nor Monarch Watch shows ads.
Which is updated more often, Project FeederWatch or Monarch Watch?
Project FeederWatch ships an update every 2 months, and Monarch Watch monthly. Most recently, Project FeederWatch was updated on November 2, 2026 and Monarch Watch on November 3, 2026.

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