ChatGPT vs PDF Reader: PDF Viewer

ChatGPT

OpenAI OpCo, LLC
App Store
$177.06M/mo
~$2.12B/yr · 1.2B installs
VS

PDF Reader: PDF Viewer

FlexOffice
Google Play
$226.1K/mo
~$2.71M/yr · 5.0M installs
Revenue winner ChatGPT wins +78201% vs other
Installs winner ChatGPT wins +24032% vs other
MAU winner ChatGPT wins +81982% vs other
Rating winner ChatGPT wins +9% vs other

Why ChatGPT is winning

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

  1. ChatGPT earns roughly 783× more per month than PDF Reader: PDF Viewer - $177.06M vs $226.1K.
  2. Aggressive pricing. ChatGPT undercuts at $8.33/mo vs $22.34/mo - converts a higher % of free users.
  3. Bigger install base. ChatGPT has ~1.2B lifetime installs vs PDF Reader: PDF Viewer's ~5.0M - 241.3× the funnel top.
  4. More monetization surfaces. ChatGPT runs 5 IAP tiers vs 0 - more chances to convert users at the right price.

Find more apps with this revenue gap · Full ChatGPT report

Side-by-side metrics

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

ChatGPT
vs
PDF Reader: PDF Viewer
Monthly revenue (est.)?
$177.06M
$226.1K
Annual revenue (est.)
$2.12B
$2.71M
Lifetime installs (est.)
1.2B
5.0M
Monthly active users (est.)?
600.0M
731K
App Store rating
4.84★
4.45★
Total ratings
7.0M
30K
US grossing rank
#1
-
Cheapest monthly sub
$8.33
$22.34
IAP tiers detected
5 tiers
0 tiers

ChatGPT

OpenAI OpCo, LLC
App Store
Category
Productivity
Price
Free
Released
May 18, 2023
Last updated
May 6, 2026
File size
197.9 MB
Content rating
12+
Version
1.2026.118
Languages
SQ, AM, Arabic, HY, BN, BS +54 more
View full ChatGPT report →

PDF Reader: PDF Viewer

FlexOffice
Google Play
Category
Productivity
Price
Free
Released
Apr 2, 2024
Last updated
Mar 17, 2026
File size
-
Content rating
Everyone
Version
1.0.34
Languages
-
View full PDF Reader: PDF Viewer report →

ChatGPT trajectory

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PDF Reader: PDF Viewer trajectory

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FAQ

Which makes more money, ChatGPT or PDF Reader: PDF Viewer? v
ChatGPT earns about $177.06M per month, while PDF Reader: PDF Viewer earns about $226.1K. That is a 783.0× revenue gap (~$176.83M more per month for ChatGPT). Annual revenue: ChatGPT ≈ $2.12B/year, PDF Reader: PDF Viewer ≈ $2.71M/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, ChatGPT or PDF Reader: PDF Viewer? v
ChatGPT leads with about 1.2B estimated downloads vs 5.0M for PDF Reader: PDF Viewer - a 241.3× gap. ChatGPT's App Store downloads are estimated from 7.0M ratings × the standard 1:75 ratio. PDF Reader: PDF Viewer reports 1,000,000+ installs on Google Play.
Are ChatGPT and PDF Reader: PDF Viewer in the same App Store category on each store 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 ChatGPT and PDF Reader: PDF Viewer offer? v
ChatGPT: IAP range 5 tiers detected. PDF Reader: PDF Viewer: IAP range $4.99 - $99.99 per item. ChatGPT runs a "Subscription (~$8.33/mo, ai) · calibrated by US grossing rank #1" monetization model; PDF Reader: PDF Viewer runs "Subscription (~$22.34/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, ChatGPT or PDF Reader: PDF Viewer? v
ChatGPT edges ahead with ★ 4.8 vs ★ 4.5 (gap of 0.4 stars). Rating volume: ChatGPT 7.0M ratings, PDF Reader: PDF Viewer 78 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these ChatGPT vs PDF Reader: PDF Viewer revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $177.06M for ChatGPT and $226.1K for PDF Reader: PDF Viewer are derived from App Store grossing rank / Google Play install ranges, 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 ChatGPT or PDF Reader: PDF Viewer to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store or Google Play 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.