Grammarly-AI Writing Assistant vs LEGO® DUPLO® Marvel
Grammarly-AI Writing Assistant
Grammarly, Inc.
Google Play
$16.57M/mo
~$198.81M/yr · 59.8M installs
VS
LEGO® DUPLO® Marvel
StoryToys
Google Play
$223.5K/mo
~$2.68M/yr · 28.0M installs
Revenue winner
Grammarly-AI Writing Assistant wins
+7311% vs other
Installs winner
Grammarly-AI Writing Assistant wins
+114% vs other
MAU winner
Grammarly-AI Writing Assistant wins
+1037% vs other
Rating winner
LEGO® DUPLO® Marvel wins
+1% vs other
Why Grammarly-AI Writing Assistant is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Grammarly-AI Writing Assistant earns roughly 74× more per month than LEGO® DUPLO® Marvel - $16.57M vs $223.5K.
- Premium pricing. Grammarly-AI Writing Assistant charges $64.79/mo vs LEGO® DUPLO® Marvel's $12.63/mo - higher ARPU per converted user.
- Bigger install base. Grammarly-AI Writing Assistant has ~59.8M lifetime installs vs LEGO® DUPLO® Marvel's ~28.0M - 2.1× the funnel top.
→ Find more apps with this revenue gap · Full Grammarly-AI Writing Assistant report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Grammarly-AI Writing Assistant
vs
LEGO® DUPLO® Marvel
Monthly revenue (est.)?
$16.57M
◀
$223.5K
Annual revenue (est.)
$198.81M
◀
$2.68M
Lifetime installs (est.)
59.8M
◀
28.0M
Monthly active users (est.)?
10.8M
◀
951K
App Store rating
4.24★
▶
4.28★
Total ratings
261K
◀
59K
US grossing rank
-
=
-
Cheapest monthly sub
$64.79
◀
$12.63
IAP tiers detected
0 tiers
=
0 tiers
- Category
- Productivity
- Price
- Free
- Released
- Dec 11, 2017
- Last updated
- Jun 30, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 2.110.100044
- Languages
- -
- Category
- Education
- Price
- Free
- Released
- Dec 8, 2021
- Last updated
- Jun 16, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 22.2
- Languages
- -
Grammarly-AI Writing Assistant trajectory
LEGO® DUPLO® Marvel trajectory
FAQ
Which makes more money, Grammarly-AI Writing Assistant or LEGO® DUPLO® Marvel? v
Grammarly-AI Writing Assistant earns about $16.57M per month, while LEGO® DUPLO® Marvel earns about $223.5K. That is a 74.1× revenue gap (~$16.34M more per month for Grammarly-AI Writing Assistant). Annual revenue: Grammarly-AI Writing Assistant ≈ $198.81M/year, LEGO® DUPLO® Marvel ≈ $2.68M/year. Estimates are derived from public Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Grammarly-AI Writing Assistant or LEGO® DUPLO® Marvel? v
Grammarly-AI Writing Assistant leads with about 59.8M estimated downloads vs 28.0M for LEGO® DUPLO® Marvel - a 2.1× gap. Grammarly-AI Writing Assistant reports 50,000,000+ installs on Google Play. LEGO® DUPLO® Marvel reports 10,000,000+ installs on Google Play.
Are Grammarly-AI Writing Assistant and LEGO® DUPLO® Marvel in the same Google Play category and competing for the same money? v
No - Grammarly-AI Writing Assistant is in Productivity and LEGO® DUPLO® Marvel is in Education. They share screen-time attention but earn money in different niches: Grammarly-AI Writing Assistant from productivity monetization patterns, LEGO® DUPLO® Marvel from education.
What in-app purchases and subscription pricing do Grammarly-AI Writing Assistant and LEGO® DUPLO® Marvel offer? v
Grammarly-AI Writing Assistant: IAP range $29.99 - $139.99 per item. LEGO® DUPLO® Marvel: IAP range $3.99 - $39.99 per item. Grammarly-AI Writing Assistant runs a "Subscription (~$64.79/mo, ai)" monetization model; LEGO® DUPLO® Marvel runs "Subscription (~$12.63/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Grammarly-AI Writing Assistant or LEGO® DUPLO® Marvel? v
LEGO® DUPLO® Marvel edges ahead with ★ 4.3 vs ★ 4.2 (gap of 0.0 stars). Rating volume: Grammarly-AI Writing Assistant 26K ratings, LEGO® DUPLO® Marvel 388 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Grammarly-AI Writing Assistant vs LEGO® DUPLO® Marvel revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $16.57M for Grammarly-AI Writing Assistant and $223.5K for LEGO® DUPLO® Marvel are derived from Google Play grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Productivity / Education) - 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 Grammarly-AI Writing Assistant or LEGO® DUPLO® Marvel 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.