ACI Certification Verify vs Collins Bird Guide

ACI Certification Verify

American Concrete Institute
App Store
$0/mo
~$0/yr · 400 installs
VS

Collins Bird Guide

NatureGuides Ltd.
App Store
$560/mo
~$6.7K/yr · 1K installs
Revenue winner Collins Bird Guide wins +56000% vs other
Installs winner Collins Bird Guide wins +250% vs other
MAU winner Collins Bird Guide wins +292% vs other
Rating winner Collins Bird Guide wins +59% vs other

Why Collins Bird Guide is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. Collins Bird Guide earns roughly 560× more per month than ACI Certification Verify - $560 vs $0.
  2. Subscription model. Collins Bird Guide runs a $2.99/mo subscription that compounds; ACI Certification Verify relies on one-shot IAP or ads.
  3. Bigger install base. Collins Bird Guide has ~1K lifetime installs vs ACI Certification Verify's ~400 - 3.5× the funnel top.
  4. More monetization surfaces. Collins Bird Guide runs 10 IAP tiers vs 0 - more chances to convert users at the right price.

Find more apps with this revenue gap · Full Collins Bird Guide report

Side-by-side metrics

Bars scale to whichever app is bigger on that row. Green = winner.

ACI Certification Verify
vs
Collins Bird Guide
Monthly revenue (est.)?
$0
$560
Annual revenue (est.)
$0
$6.7K
Lifetime installs (est.)
400
1K
Monthly active users (est.)?
40
156.8
App Store rating
2.50★
3.96★
Total ratings
7
28
US grossing rank
-
=
-
Cheapest monthly sub
No sub
$2.99
IAP tiers detected
0 tiers
10 tiers

ACI Certification Verify

American Concrete Institute
App Store
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
-
View full ACI Certification Verify report →

Collins Bird Guide

NatureGuides Ltd.
App Store
Category
Reference
Price
USD14.99
Released
Aug 14, 2014
Last updated
Mar 5, 2026
File size
1.23 GB
Content rating
4+
Version
3.2.3
Languages
Dutch, English, French, German, NB, Swedish
View full Collins Bird Guide report →

ACI Certification Verify trajectory

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Collins Bird Guide trajectory

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FAQ

Which makes more money, ACI Certification Verify or Collins Bird Guide? v
Collins Bird Guide earns about $560 per month, while ACI Certification Verify earns about $0. That is a ∞× revenue gap (~$560 more per month for Collins Bird Guide). Annual revenue: ACI Certification Verify ≈ $0/year, Collins Bird Guide ≈ $6.7K/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 Collins Bird Guide? v
Collins Bird Guide leads with about 1K estimated downloads vs 400 for ACI Certification Verify - a 3.5× gap. ACI Certification Verify's App Store downloads are estimated from 6 ratings × the standard 1:75 ratio. Collins Bird Guide's App Store downloads are estimated from 28 ratings.
Are ACI Certification Verify and Collins Bird Guide 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 ACI Certification Verify and Collins Bird Guide offer? v
ACI Certification Verify: no IAP detected on the public listing. Collins Bird Guide: IAP range 10 tiers detected. ACI Certification Verify runs a "No App Store revenue (monetizes off-store)" monetization model; Collins Bird Guide runs "Paid app ($14.99)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, ACI Certification Verify or Collins Bird Guide? v
Collins Bird Guide edges ahead with ★ 4.0 vs ★ 2.5 (gap of 1.5 stars). Rating volume: ACI Certification Verify 6 ratings, Collins Bird Guide 28 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these ACI Certification Verify vs Collins Bird Guide revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $0 for ACI Certification Verify and $560 for Collins Bird Guide 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 Collins Bird Guide 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.