Merlin Bird ID by Cornell Lab vs RosaryGo
Merlin Bird ID by Cornell Lab
Cornell University
App Store
$0/mo
~$0/yr · 16.3M installs
VS
RosaryGo
Michel Sfeir
App Store
$11/mo
~$130/yr · 2K installs
Revenue winner
RosaryGo wins
+1100% vs other
Installs winner
Merlin Bird ID by Cornell Lab wins
+1084450% vs other
MAU winner
Merlin Bird ID by Cornell Lab wins
+871413% vs other
Rating winner
Merlin Bird ID by Cornell Lab wins
+486% vs other
Why RosaryGo is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- RosaryGo earns roughly 11× more per month than Merlin Bird ID by Cornell Lab - $11 vs $0.
- Subscription model. RosaryGo runs a $1.99/mo subscription that compounds; Merlin Bird ID by Cornell Lab relies on one-shot IAP or ads.
- More monetization surfaces. RosaryGo runs 5 IAP tiers vs 0 - more chances to convert users at the right price.
→ Find more apps with this revenue gap · Full RosaryGo report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Merlin Bird ID by Cornell Lab
vs
RosaryGo
Monthly revenue (est.)?
$0
▶
$11
Annual revenue (est.)
$0
▶
$130
Lifetime installs (est.)
16.3M
◀
2K
Monthly active users (est.)?
1.5M
◀
168
App Store rating
4.86★
◀
-
Total ratings
108K
◀
0
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$1.99
IAP tiers detected
0 tiers
▶
5 tiers
- Category
- Reference
- Price
- Free
- Released
- Dec 11, 2013
- Last updated
- May 23, 2026
- File size
- 354.4 MB
- Content rating
- 4+
- Version
- 3.9
- Languages
- AF, Arabic, Danish, Dutch, English, French +25 more
- Category
- Reference
- Price
- Free
- Released
- Jun 25, 2026
- Last updated
- Jun 28, 2026
- File size
- 36.9 MB
- Content rating
- 4+
- Version
- 1.0.1
- Languages
- Arabic, English, French, German, IG, Italian +5 more
Merlin Bird ID by Cornell Lab trajectory
RosaryGo trajectory
FAQ
Which makes more money, Merlin Bird ID by Cornell Lab or RosaryGo? v
RosaryGo earns about $11 per month, while Merlin Bird ID by Cornell Lab earns about $0. That is a ∞× revenue gap (~$11 more per month for RosaryGo). Annual revenue: Merlin Bird ID by Cornell Lab ≈ $0/year, RosaryGo ≈ $130/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Merlin Bird ID by Cornell Lab or RosaryGo? v
Merlin Bird ID by Cornell Lab leads with about 16.3M estimated downloads vs 2K for RosaryGo - a 10845.5× gap. Merlin Bird ID by Cornell Lab's App Store downloads are estimated from 108K ratings × the standard 1:75 ratio. RosaryGo's App Store downloads are estimated from 0 ratings.
Are Merlin Bird ID by Cornell Lab and RosaryGo in the same App Store category and competing for the same money? v
Yes - both apps sit in the Reference category, which means they compete directly for the same paying users and category-level wallet share. Direct competitors, head-to-head.
What in-app purchases and subscription pricing do Merlin Bird ID by Cornell Lab and RosaryGo offer? v
Merlin Bird ID by Cornell Lab: no IAP detected on the public listing. RosaryGo: IAP range 5 tiers detected. Merlin Bird ID by Cornell Lab runs a "No App Store revenue (monetizes off-store)" monetization model; RosaryGo runs "Subscription (~$1.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Merlin Bird ID by Cornell Lab or RosaryGo? v
Merlin Bird ID by Cornell Lab edges ahead with a higher overall score (gap of 4.9 stars). Rating volume: Merlin Bird ID by Cornell Lab 108K ratings, RosaryGo 0 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Merlin Bird ID by Cornell Lab vs RosaryGo revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $0 for Merlin Bird ID by Cornell Lab and $11 for RosaryGo are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Reference) - net of the 15-30% Apple/Google store cut. Real revenue depends on country mix, retention, refunds and ad fill rate, none of which Apple or Google publish.
How do I compare Merlin Bird ID by Cornell Lab or RosaryGo to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store links into the homepage tool. We auto-generate a permanent comparison URL with revenue, downloads, IAP tiers, subscription pricing and grossing rank for both apps.