Kobo | eBooks & Audiobooks vs Merlin Bird ID by Cornell Lab
Kobo | eBooks & Audiobooks
Kobo Books
Google Play
$193.0K/mo
~$2.32M/yr · 28.0M installs
VS
Merlin Bird ID by Cornell Lab
Cornell Lab of Ornithology
Google Play
$0/mo
~$0/yr · 10.3M installs
Revenue winner
Kobo | eBooks & Audiobooks wins
+19303900% vs other
Installs winner
Kobo | eBooks & Audiobooks wins
+173% vs other
MAU winner
Kobo | eBooks & Audiobooks wins
+166% vs other
Rating winner
Merlin Bird ID by Cornell Lab wins
+9% vs other
Why Kobo | eBooks & Audiobooks is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Kobo | eBooks & Audiobooks earns roughly 193039× more per month than Merlin Bird ID by Cornell Lab - $193.0K vs $0.
- Subscription model. Kobo | eBooks & Audiobooks runs a $7.07/mo subscription that compounds; Merlin Bird ID by Cornell Lab relies on one-shot IAP or ads.
- Bigger install base. Kobo | eBooks & Audiobooks has ~28.0M lifetime installs vs Merlin Bird ID by Cornell Lab's ~10.3M - 2.7× the funnel top.
→ Find more apps with this revenue gap · Full Kobo | eBooks & Audiobooks report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Kobo | eBooks & Audiobooks
vs
Merlin Bird ID by Cornell Lab
Monthly revenue (est.)?
$193.0K
◀
$0
Annual revenue (est.)
$2.32M
◀
$0
Lifetime installs (est.)
28.0M
◀
10.3M
Monthly active users (est.)?
982K
◀
369K
App Store rating
4.49★
▶
4.91★
Total ratings
301K
◀
160K
US grossing rank
-
=
-
Cheapest monthly sub
$7.07
◀
No sub
IAP tiers detected
0 tiers
=
0 tiers
- Category
- Books & Reference
- Price
- Free
- Released
- Jun 15, 2010
- Last updated
- Mar 16, 2026
- File size
- -
- Content rating
- Teen
- Version
- VARY
- Languages
- -
- Category
- Books & Reference
- Price
- Free
- Released
- Jun 26, 2014
- Last updated
- Apr 7, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 3.11
- Languages
- -
Kobo | eBooks & Audiobooks trajectory
Merlin Bird ID by Cornell Lab trajectory
FAQ
Which makes more money, Kobo | eBooks & Audiobooks or Merlin Bird ID by Cornell Lab? v
Kobo | eBooks & Audiobooks earns about $193.0K per month, while Merlin Bird ID by Cornell Lab earns about $0. That is a ∞× revenue gap (~$193.0K more per month for Kobo | eBooks & Audiobooks). Annual revenue: Kobo | eBooks & Audiobooks ≈ $2.32M/year, Merlin Bird ID by Cornell Lab ≈ $0/year. Estimates are derived from public Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Kobo | eBooks & Audiobooks or Merlin Bird ID by Cornell Lab? v
Kobo | eBooks & Audiobooks leads with about 28.0M estimated downloads vs 10.3M for Merlin Bird ID by Cornell Lab - a 2.7× gap. Kobo | eBooks & Audiobooks reports 10,000,000+ installs on Google Play. Merlin Bird ID by Cornell Lab reports 10,000,000+ installs on Google Play.
Are Kobo | eBooks & Audiobooks and Merlin Bird ID by Cornell Lab in the same Google Play category and competing for the same money? v
Yes - both apps sit in the Books & 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 Kobo | eBooks & Audiobooks and Merlin Bird ID by Cornell Lab offer? v
Kobo | eBooks & Audiobooks: IAP range $0.05 - $999.99 per item. Merlin Bird ID by Cornell Lab: no IAP detected on the public listing. Kobo | eBooks & Audiobooks runs a "Subscription (~$7.07/mo)" monetization model; Merlin Bird ID by Cornell Lab runs "No App Store revenue (monetizes off-store)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Kobo | eBooks & Audiobooks or Merlin Bird ID by Cornell Lab? v
Merlin Bird ID by Cornell Lab edges ahead with ★ 4.9 vs ★ 4.5 (gap of 0.4 stars). Rating volume: Kobo | eBooks & Audiobooks 21K ratings, Merlin Bird ID by Cornell Lab 29K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Kobo | eBooks & Audiobooks vs Merlin Bird ID by Cornell Lab revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $193.0K for Kobo | eBooks & Audiobooks and $0 for Merlin Bird ID by Cornell Lab are derived from Google Play grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Books & 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 Kobo | eBooks & Audiobooks or Merlin Bird ID by Cornell Lab to a different Google Play app? v
Use the search box at the bottom of this page or paste any two Google Play 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.