Collins Bird Guide vs iEstims
Collins Bird Guide
NatureGuides Ltd.
App Store
$560/mo
~$6.7K/yr · 1K installs
VS
iEstims
Antoine Chauviere
App Store
$39/mo
~$468/yr · 400 installs
Revenue winner
Collins Bird Guide wins
+1336% vs other
Installs winner
Collins Bird Guide wins
+250% vs other
MAU winner
Collins Bird Guide wins
+224% vs other
Rating winner
iEstims wins
+26% vs other
Why Collins Bird Guide is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- Collins Bird Guide earns roughly 14× more per month than iEstims - $560 vs $39.
- Aggressive pricing. Collins Bird Guide undercuts at $2.99/mo vs $24.99/mo - converts a higher % of free users.
- Bigger install base. Collins Bird Guide has ~1K lifetime installs vs iEstims's ~400 - 3.5× the funnel top.
- More monetization surfaces. Collins Bird Guide runs 10 IAP tiers vs 6 - 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.
Collins Bird Guide
vs
iEstims
Monthly revenue (est.)?
$560
◀
$39
Annual revenue (est.)
$6.7K
◀
$468
Lifetime installs (est.)
1K
◀
400
Monthly active users (est.)?
156.8
◀
48.4
App Store rating
3.96★
▶
5.00★
Total ratings
28
◀
1
US grossing rank
-
=
-
Cheapest monthly sub
$2.99
▶
$24.99
IAP tiers detected
10 tiers
◀
6 tiers
- 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
- Category
- Reference
- Price
- Free
- Released
- Apr 23, 2023
- Last updated
- Jun 11, 2026
- File size
- 378.7 MB
- Content rating
- 4+
- Version
- 2.8.4
- Languages
- English
Collins Bird Guide trajectory
iEstims trajectory
FAQ
Which makes more money, Collins Bird Guide or iEstims? v
Collins Bird Guide earns about $560 per month, while iEstims earns about $39. That is a 14.4× revenue gap (~$521 more per month for Collins Bird Guide). Annual revenue: Collins Bird Guide ≈ $6.7K/year, iEstims ≈ $468/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Collins Bird Guide or iEstims? v
Collins Bird Guide leads with about 1K estimated downloads vs 400 for iEstims - a 3.5× gap. Collins Bird Guide's App Store downloads are estimated from 28 ratings × the standard 1:75 ratio. iEstims's App Store downloads are estimated from 1 ratings.
Are Collins Bird Guide and iEstims 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 Collins Bird Guide and iEstims offer? v
Collins Bird Guide: IAP range 10 tiers detected. iEstims: IAP range 6 tiers detected. Collins Bird Guide runs a "Paid app ($14.99)" monetization model; iEstims runs "Subscription (~$24.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Collins Bird Guide or iEstims? v
iEstims edges ahead with ★ 5.0 vs ★ 4.0 (gap of 1.0 stars). Rating volume: Collins Bird Guide 28 ratings, iEstims 1 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Collins Bird Guide vs iEstims revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $560 for Collins Bird Guide and $39 for iEstims 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 Collins Bird Guide or iEstims 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.