Google NotebookLM vs PromptGen AI

Google NotebookLM

Google
App Store
$495.7K/mo
~$5.95M/yr · 5.1M installs
VS

PromptGen AI

Renutasan Rajan
App Store
$0/mo
~$0/yr · 0 installs
Revenue winner Google NotebookLM wins +49572300% vs other
Installs winner Google NotebookLM wins +506572000% vs other
MAU winner Google NotebookLM wins +153491316% vs other
Rating winner Google NotebookLM wins +487% vs other

Why Google NotebookLM is winning

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

  1. Google NotebookLM earns roughly 495723× more per month than PromptGen AI - $495.7K vs $0.
  2. Subscription model. Google NotebookLM runs a $9.99/mo subscription that compounds; PromptGen AI relies on one-shot IAP or ads.
  3. Bigger install base. Google NotebookLM has ~5.1M lifetime installs vs PromptGen AI's ~0 - 5065720.0× the funnel top.
  4. More monetization surfaces. Google NotebookLM runs 4 IAP tiers vs 0 - more chances to convert users at the right price.

Find more apps with this revenue gap · Full Google NotebookLM report

Side-by-side metrics

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

Google NotebookLM
vs
PromptGen AI
Monthly revenue (est.)?
$495.7K
$0
Annual revenue (est.)
$5.95M
$0
Lifetime installs (est.)
5.1M
0
Monthly active users (est.)?
1.5M
0
App Store rating
4.87★
-
Total ratings
46K
0
US grossing rank
-
=
-
Cheapest monthly sub
$9.99
No sub
IAP tiers detected
4 tiers
0 tiers

Google NotebookLM

Google
App Store
Category
Productivity
Price
Free
Released
May 19, 2025
Last updated
Jun 20, 2026
File size
184.6 MB
Content rating
12+
Version
1.44.7
Languages
AF, SQ, AM, Arabic, HY, AZ +58 more
View full Google NotebookLM report →

PromptGen AI

Renutasan Rajan
App Store
Category
Productivity
Price
Free
Released
Nov 6, 2025
Last updated
Dec 31, 2025
File size
68.9 MB
Content rating
4+
Version
2.0.1
Languages
English
View full PromptGen AI report →

Google NotebookLM trajectory

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PromptGen AI trajectory

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FAQ

Which makes more money, Google NotebookLM or PromptGen AI? v
Google NotebookLM earns about $495.7K per month, while PromptGen AI earns about $0. That is a ∞× revenue gap (~$495.7K more per month for Google NotebookLM). Annual revenue: Google NotebookLM ≈ $5.95M/year, PromptGen AI ≈ $0/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Google NotebookLM or PromptGen AI? v
Google NotebookLM leads with about 5.1M estimated downloads vs 0 for PromptGen AI - a ∞× gap. Google NotebookLM's App Store downloads are estimated from 46K ratings × the standard 1:75 ratio. PromptGen AI's App Store downloads are estimated from 0 ratings.
Are Google NotebookLM and PromptGen AI in the same App Store category and competing for the same money? v
Yes - both apps sit in the Productivity 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 Google NotebookLM and PromptGen AI offer? v
Google NotebookLM: IAP range 4 tiers detected. PromptGen AI: no IAP detected on the public listing. Google NotebookLM runs a "Subscription (~$9.99/mo)" monetization model; PromptGen AI 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, Google NotebookLM or PromptGen AI? v
Google NotebookLM edges ahead with a higher overall score (gap of 4.9 stars). Rating volume: Google NotebookLM 46K ratings, PromptGen AI 0 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Google NotebookLM vs PromptGen AI revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $495.7K for Google NotebookLM and $0 for PromptGen AI are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Productivity) - 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 Google NotebookLM or PromptGen AI 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.