ACIM Workbook vs Amazon Kindle: Reading App
ACIM Workbook
Amund Ring
App Store
$2/mo
~$27/yr · 400 installs
VS
Amazon Kindle: Reading App
AMZN Mobile LLC
App Store
$0/mo
~$0/yr · 512.8M installs
Revenue winner
ACIM Workbook wins
+200% vs other
Installs winner
Amazon Kindle: Reading App wins
+128196102% vs other
MAU winner
Amazon Kindle: Reading App wins
+18313643% vs other
Rating winner
Amazon Kindle: Reading App wins
+43% vs other
Why ACIM Workbook is winning
Top 2 reasons - backed by the public App Store / Play Store numbers.
- ACIM Workbook earns roughly 2× more per month than Amazon Kindle: Reading App - $2 vs $0.
- Subscription model. ACIM Workbook runs a $4.99/mo subscription that compounds; Amazon Kindle: Reading App relies on one-shot IAP or ads.
→ Find more apps with this revenue gap · Full ACIM Workbook report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
ACIM Workbook
vs
Amazon Kindle: Reading App
Monthly revenue (est.)?
$2
◀
$0
Annual revenue (est.)
$27
◀
$0
Lifetime installs (est.)
400
▶
512.8M
Monthly active users (est.)?
28
▶
5.1M
App Store rating
3.40★
▶
4.86★
Total ratings
5
▶
5.7M
US grossing rank
-
=
-
Cheapest monthly sub
$4.99
◀
No sub
IAP tiers detected
2 tiers
◀
0 tiers
- Category
- Book
- Price
- Free
- Released
- Oct 31, 2022
- Last updated
- Nov 29, 2023
- File size
- 460.9 MB
- Content rating
- 4+
- Version
- 2.0.0
- Languages
- English
- Category
- Book
- Price
- Free
- Released
- Mar 4, 2009
- Last updated
- Jun 30, 2026
- File size
- 188.6 MB
- Content rating
- 12+
- Version
- 7.62
- Languages
- Dutch, English, French, German, Italian, Japanese +4 more
ACIM Workbook trajectory
Amazon Kindle: Reading App trajectory
FAQ
Which makes more money, ACIM Workbook or Amazon Kindle: Reading App? v
ACIM Workbook earns about $2 per month, while Amazon Kindle: Reading App earns about $0. That is a ∞× revenue gap (~$2 more per month for ACIM Workbook). Annual revenue: ACIM Workbook ≈ $27/year, Amazon Kindle: Reading App ≈ $0/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, ACIM Workbook or Amazon Kindle: Reading App? v
Amazon Kindle: Reading App leads with about 512.8M estimated downloads vs 400 for ACIM Workbook - a 1281962.0× gap. ACIM Workbook's App Store downloads are estimated from 5 ratings × the standard 1:75 ratio. Amazon Kindle: Reading App's App Store downloads are estimated from 5.7M ratings.
Are ACIM Workbook and Amazon Kindle: Reading App in the same App Store category and competing for the same money? v
Yes - both apps sit in the Book 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 ACIM Workbook and Amazon Kindle: Reading App offer? v
ACIM Workbook: IAP range 2 tiers detected. Amazon Kindle: Reading App: no IAP detected on the public listing. ACIM Workbook runs a "Subscription (~$2.50/mo)" monetization model; Amazon Kindle: Reading App 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, ACIM Workbook or Amazon Kindle: Reading App? v
Amazon Kindle: Reading App edges ahead with ★ 4.9 vs ★ 3.4 (gap of 1.5 stars). Rating volume: ACIM Workbook 5 ratings, Amazon Kindle: Reading App 5.7M ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these ACIM Workbook vs Amazon Kindle: Reading App revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $2 for ACIM Workbook and $0 for Amazon Kindle: Reading App are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Book) - 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 ACIM Workbook or Amazon Kindle: Reading App 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.