PDF Expert: Editor & Converter vs Stairs-X Pro Stairs Calculator

PDF Expert: Editor & Converter

Readdle Technologies Limited
App Store
$1.56M/mo
~$18.68M/yr · 32.2M installs
VS

Stairs-X Pro Stairs Calculator

TinuxSoft
Google Play
$7.7K/mo
~$92.6K/yr · 10K installs
Revenue winner PDF Expert: Editor & Converter wins +20073% vs other
Installs winner PDF Expert: Editor & Converter wins +325553% vs other
MAU winner PDF Expert: Editor & Converter wins +245510% vs other
Rating winner PDF Expert: Editor & Converter wins +2% vs other

Why PDF Expert: Editor & Converter is winning

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

  1. PDF Expert: Editor & Converter earns roughly 202× more per month than Stairs-X Pro Stairs Calculator - $1.56M vs $7.7K.
  2. Subscription model. PDF Expert: Editor & Converter runs a $9.99/mo subscription that compounds; Stairs-X Pro Stairs Calculator relies on one-shot IAP or ads.
  3. Bigger install base. PDF Expert: Editor & Converter has ~32.2M lifetime installs vs Stairs-X Pro Stairs Calculator's ~10K - 3256.5× the funnel top.
  4. More monetization surfaces. PDF Expert: Editor & Converter runs 9 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full PDF Expert: Editor & Converter report

Side-by-side metrics

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

PDF Expert: Editor & Converter
vs
Stairs-X Pro Stairs Calculator
Monthly revenue (est.)?
$1.56M
◀
$7.7K
Annual revenue (est.)
$18.68M
◀
$92.6K
Lifetime installs (est.)
32.2M
◀
10K
Monthly active users (est.)?
7.2M
◀
3K
App Store rating
4.68★
◀
4.59★
Total ratings
215K
◀
636
US grossing rank
-
=
-
Cheapest monthly sub
$9.99
◀
No sub
IAP tiers detected
9 tiers
◀
0 tiers

PDF Expert: Editor & Converter

Readdle Technologies Limited
App Store
Category
Productivity
Price
Free
Released
Dec 3, 2013
Last updated
Apr 23, 2026
File size
338.7 MB
Content rating
4+
Version
7.25.5
Languages
English, French, German, Italian, Japanese, Portuguese +4 more
View full PDF Expert: Editor & Converter report →

Stairs-X Pro Stairs Calculator

TinuxSoft
Google Play
Category
Productivity
Price
USD64.99
Released
May 24, 2017
Last updated
May 28, 2025
File size
-
Content rating
Everyone
Version
2.1.51
Languages
-
View full Stairs-X Pro Stairs Calculator report →

PDF Expert: Editor & Converter trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Stairs-X Pro Stairs Calculator trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

PDF Expert: Editor & Converter App Store page →Stairs-X Pro Stairs Calculator Play Store page →

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FAQ

Which makes more money, PDF Expert: Editor & Converter or Stairs-X Pro Stairs Calculator? v
PDF Expert: Editor & Converter earns about $1.56M per month, while Stairs-X Pro Stairs Calculator earns about $7.7K. That is a 201.7× revenue gap (~$1.55M more per month for PDF Expert: Editor & Converter). Annual revenue: PDF Expert: Editor & Converter ≈ $18.68M/year, Stairs-X Pro Stairs Calculator ≈ $92.6K/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, PDF Expert: Editor & Converter or Stairs-X Pro Stairs Calculator? v
PDF Expert: Editor & Converter leads with about 32.2M estimated downloads vs 10K for Stairs-X Pro Stairs Calculator - a 3256.5× gap. PDF Expert: Editor & Converter's App Store downloads are estimated from 215K ratings × the standard 1:75 ratio. Stairs-X Pro Stairs Calculator reports 5,000+ installs on Google Play.
Are PDF Expert: Editor & Converter and Stairs-X Pro Stairs Calculator 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 PDF Expert: Editor & Converter and Stairs-X Pro Stairs Calculator offer? v
PDF Expert: Editor & Converter: IAP range 9 tiers detected. Stairs-X Pro Stairs Calculator: no IAP detected on the public listing. PDF Expert: Editor & Converter runs a "Subscription (~$6.67/mo)" monetization model; Stairs-X Pro Stairs Calculator runs "Paid app ($64.99)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, PDF Expert: Editor & Converter or Stairs-X Pro Stairs Calculator? v
PDF Expert: Editor & Converter edges ahead with ★ 4.7 vs ★ 4.6 (gap of 0.1 stars). Rating volume: PDF Expert: Editor & Converter 215K ratings, Stairs-X Pro Stairs Calculator 49 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these PDF Expert: Editor & Converter vs Stairs-X Pro Stairs Calculator revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $1.56M for PDF Expert: Editor & Converter and $7.7K for Stairs-X Pro Stairs Calculator 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 PDF Expert: Editor & Converter or Stairs-X Pro Stairs Calculator 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.