ACI Certification Verify vs Sibley Birds 2nd Edition
ACI Certification Verify
American Concrete Institute
App Store
$0/mo
~$0/yr · 400 installs
VS
Sibley Birds 2nd Edition
mydigitalearth.com
App Store
$115.7K/mo
~$1.39M/yr · 217K installs
Revenue winner
Sibley Birds 2nd Edition wins
+11565400% vs other
Installs winner
Sibley Birds 2nd Edition wins
+54140% vs other
MAU winner
Sibley Birds 2nd Edition wins
+55225% vs other
Rating winner
Sibley Birds 2nd Edition wins
+95% vs other
Why Sibley Birds 2nd Edition is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Sibley Birds 2nd Edition earns roughly 115654× more per month than ACI Certification Verify - $115.7K vs $0.
- Bigger install base. Sibley Birds 2nd Edition has ~217K lifetime installs vs ACI Certification Verify's ~400 - 542.4× the funnel top.
- Better app store reviews. Sibley Birds 2nd Edition sits at 4.88★ vs 2.50★ - store algorithms reward higher-rated apps with more impressions.
→ Find more apps with this revenue gap · Full Sibley Birds 2nd Edition report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
ACI Certification Verify
vs
Sibley Birds 2nd Edition
Monthly revenue (est.)?
$0
▶
$115.7K
Annual revenue (est.)
$0
▶
$1.39M
Lifetime installs (est.)
400
▶
217K
Monthly active users (est.)?
40
▶
22K
App Store rating
2.50★
▶
4.88★
Total ratings
7
▶
3K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
=
No sub
IAP tiers detected
0 tiers
=
0 tiers
- Category
- Reference
- Price
- Free
- Released
- Jun 12, 2019
- Last updated
- Aug 27, 2025
- File size
- 44.0 MB
- Content rating
- 4+
- Version
- 5.1.0
- Languages
- -
- Category
- Reference
- Price
- USD19.99
- Released
- Nov 15, 2018
- Last updated
- Mar 26, 2025
- File size
- 770.3 MB
- Content rating
- 4+
- Version
- 1.5
- Languages
- English
ACI Certification Verify trajectory
Sibley Birds 2nd Edition trajectory
FAQ
Which makes more money, ACI Certification Verify or Sibley Birds 2nd Edition? v
Sibley Birds 2nd Edition earns about $115.7K per month, while ACI Certification Verify earns about $0. That is a ∞× revenue gap (~$115.7K more per month for Sibley Birds 2nd Edition). Annual revenue: ACI Certification Verify ≈ $0/year, Sibley Birds 2nd Edition ≈ $1.39M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, ACI Certification Verify or Sibley Birds 2nd Edition? v
Sibley Birds 2nd Edition leads with about 217K estimated downloads vs 400 for ACI Certification Verify - a 542.4× gap. ACI Certification Verify's App Store downloads are estimated from 6 ratings × the standard 1:75 ratio. Sibley Birds 2nd Edition's App Store downloads are estimated from 3K ratings.
Are ACI Certification Verify and Sibley Birds 2nd Edition 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.
Do ACI Certification Verify and Sibley Birds 2nd Edition have in-app purchases? v
ACI Certification Verify does not appear to offer in-app purchases on its public listing. Sibley Birds 2nd Edition does not appear to offer in-app purchases. Monetization model: ACI Certification Verify runs "No App Store revenue (monetizes off-store)", Sibley Birds 2nd Edition runs "Paid app ($19.99)".
Which has better ratings, ACI Certification Verify or Sibley Birds 2nd Edition? v
Sibley Birds 2nd Edition edges ahead with ★ 4.9 vs ★ 2.5 (gap of 2.4 stars). Rating volume: ACI Certification Verify 6 ratings, Sibley Birds 2nd Edition 3K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these ACI Certification Verify vs Sibley Birds 2nd Edition revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $0 for ACI Certification Verify and $115.7K for Sibley Birds 2nd Edition 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 ACI Certification Verify or Sibley Birds 2nd Edition 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.