Lingual Coach: Learn with AI vs pdfFiller Edit, fill, sign PDF
Lingual Coach: Learn with AI
Goldlab Pro
Google Play
$91.9K/mo
~$1.10M/yr · 12.6M installs
VS
pdfFiller Edit, fill, sign PDF
airSlate, Inc.
Google Play
$379.2K/mo
~$4.55M/yr · 6.0M installs
Revenue winner
pdfFiller Edit, fill, sign PDF wins
+313% vs other
Installs winner
Lingual Coach: Learn with AI wins
+109% vs other
MAU winner
pdfFiller Edit, fill, sign PDF wins
+100% vs other
Rating winner
Lingual Coach: Learn with AI wins
+8% vs other
Why pdfFiller Edit, fill, sign PDF is winning
Top 2 reasons - backed by the public App Store / Play Store numbers.
- pdfFiller Edit, fill, sign PDF earns roughly 4× more per month than Lingual Coach: Learn with AI - $379.2K vs $91.9K.
- Premium pricing. pdfFiller Edit, fill, sign PDF charges $32.84/mo vs Lingual Coach: Learn with AI's $10.60/mo - higher ARPU per converted user.
→ Find more apps with this revenue gap · Full pdfFiller Edit, fill, sign PDF report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Lingual Coach: Learn with AI
vs
pdfFiller Edit, fill, sign PDF
Monthly revenue (est.)?
$91.9K
▶
$379.2K
Annual revenue (est.)
$1.10M
▶
$4.55M
Lifetime installs (est.)
12.6M
◀
6.0M
Monthly active users (est.)?
429K
▶
858K
App Store rating
4.22★
◀
3.93★
Total ratings
34K
◀
26K
US grossing rank
-
=
-
Cheapest monthly sub
$10.60
▶
$32.84
IAP tiers detected
0 tiers
=
0 tiers
- Category
- Education
- Price
- Free
- Released
- Nov 22, 2023
- Last updated
- Feb 9, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 4.8
- Languages
- -
- Category
- Productivity
- Price
- Free
- Released
- Aug 21, 2015
- Last updated
- Apr 2, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 10.52.22786
- Languages
- -
Lingual Coach: Learn with AI trajectory
pdfFiller Edit, fill, sign PDF trajectory
FAQ
Which makes more money, Lingual Coach: Learn with AI or pdfFiller Edit, fill, sign PDF? v
pdfFiller Edit, fill, sign PDF earns about $379.2K per month, while Lingual Coach: Learn with AI earns about $91.9K. That is a 4.1× revenue gap (~$287.3K more per month for pdfFiller Edit, fill, sign PDF). Annual revenue: Lingual Coach: Learn with AI ≈ $1.10M/year, pdfFiller Edit, fill, sign PDF ≈ $4.55M/year. Estimates are derived from public Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Lingual Coach: Learn with AI or pdfFiller Edit, fill, sign PDF? v
Lingual Coach: Learn with AI leads with about 12.6M estimated downloads vs 6.0M for pdfFiller Edit, fill, sign PDF - a 2.1× gap. Lingual Coach: Learn with AI reports 10,000,000+ installs on Google Play. pdfFiller Edit, fill, sign PDF reports 5,000,000+ installs on Google Play.
Are Lingual Coach: Learn with AI and pdfFiller Edit, fill, sign PDF in the same Google Play category and competing for the same money? v
No - Lingual Coach: Learn with AI is in Education and pdfFiller Edit, fill, sign PDF is in Productivity. They share screen-time attention but earn money in different niches: Lingual Coach: Learn with AI from education monetization patterns, pdfFiller Edit, fill, sign PDF from productivity.
What in-app purchases and subscription pricing do Lingual Coach: Learn with AI and pdfFiller Edit, fill, sign PDF offer? v
Lingual Coach: Learn with AI: IAP range $3.75 - $29.99 per item. pdfFiller Edit, fill, sign PDF: IAP range $5.99 - $179.99 per item. Lingual Coach: Learn with AI runs a "Subscription (~$10.60/mo)" monetization model; pdfFiller Edit, fill, sign PDF runs "Subscription (~$32.84/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Lingual Coach: Learn with AI or pdfFiller Edit, fill, sign PDF? v
Lingual Coach: Learn with AI edges ahead with ★ 4.2 vs ★ 3.9 (gap of 0.3 stars). Rating volume: Lingual Coach: Learn with AI 340 ratings, pdfFiller Edit, fill, sign PDF 4K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Lingual Coach: Learn with AI vs pdfFiller Edit, fill, sign PDF revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $91.9K for Lingual Coach: Learn with AI and $379.2K for pdfFiller Edit, fill, sign PDF are derived from Google Play grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Education / 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 Lingual Coach: Learn with AI or pdfFiller Edit, fill, sign PDF to a different Google Play app? v
Use the search box at the bottom of this page or paste any two 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.