Duolingo: Language Lessons vs Good Idea Rat Stickers

Duolingo: Language Lessons

Duolingo
App Store
$15.60M/mo
~$187.21M/yr · 600.0M installs
VS

Good Idea Rat Stickers

Paul Scott
App Store
$40/mo
~$475/yr · 2K installs
Revenue winner Duolingo: Language Lessons wins +39002625% vs other
Installs winner Duolingo: Language Lessons wins +39999900% vs other
MAU winner Duolingo: Language Lessons wins +68452281% vs other
Rating winner Duolingo: Language Lessons wins +473% vs other

Why Duolingo: Language Lessons is winning

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

  1. Duolingo: Language Lessons earns roughly 390027× more per month than Good Idea Rat Stickers - $15.60M vs $40.
  2. Subscription model. Duolingo: Language Lessons runs a $9.99/mo subscription that compounds; Good Idea Rat Stickers relies on one-shot IAP or ads.
  3. Bigger install base. Duolingo: Language Lessons has ~600.0M lifetime installs vs Good Idea Rat Stickers's ~2K - 400000.0× the funnel top.
  4. More monetization surfaces. Duolingo: Language Lessons runs 5 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Duolingo: Language Lessons report

Side-by-side metrics

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

Duolingo: Language Lessons
vs
Good Idea Rat Stickers
Monthly revenue (est.)?
$15.60M
◀
$40
Annual revenue (est.)
$187.21M
◀
$475
Lifetime installs (est.)
600.0M
◀
2K
Monthly active users (est.)?
115.0M
◀
168
App Store rating
4.73★
◀
-
Total ratings
5.3M
◀
0
US grossing rank
#24
◀
-
Cheapest monthly sub
$9.99
◀
No sub
IAP tiers detected
5 tiers
◀
0 tiers

Duolingo: Language Lessons

Duolingo
App Store
Category
Education
Price
Free
Released
Nov 13, 2012
Last updated
Jun 29, 2026
File size
484.9 MB
Content rating
4+
Version
7.129.0
Languages
Arabic, BN, Czech, Dutch, English, French +24 more
View full Duolingo: Language Lessons report →

Good Idea Rat Stickers

Paul Scott
App Store
Category
Stickers
Price
USD0.99
Released
Jun 23, 2026
Last updated
Jun 23, 2026
File size
4.5 MB
Content rating
4+
Version
1.0
Languages
English
View full Good Idea Rat Stickers report →

Duolingo: Language Lessons trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Good Idea Rat Stickers trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Related app pages

Duolingo: Language Lessons App Store page →Good Idea Rat Stickers App Store page →

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FAQ

Which makes more money, Duolingo: Language Lessons or Good Idea Rat Stickers? v
Duolingo: Language Lessons earns about $15.60M per month, while Good Idea Rat Stickers earns about $40. That is a 390027.3× revenue gap (~$15.60M more per month for Duolingo: Language Lessons). Annual revenue: Duolingo: Language Lessons ≈ $187.21M/year, Good Idea Rat Stickers ≈ $475/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Duolingo: Language Lessons or Good Idea Rat Stickers? v
Duolingo: Language Lessons leads with about 600.0M estimated downloads vs 2K for Good Idea Rat Stickers - a 400000.0× gap. Duolingo: Language Lessons's App Store downloads are estimated from 5.3M ratings × the standard 1:75 ratio. Good Idea Rat Stickers's App Store downloads are estimated from 0 ratings.
Are Duolingo: Language Lessons and Good Idea Rat Stickers in the same App Store category and competing for the same money? v
No - Duolingo: Language Lessons is in Education and Good Idea Rat Stickers is in Stickers. They share screen-time attention but earn money in different niches: Duolingo: Language Lessons from education monetization patterns, Good Idea Rat Stickers from stickers.
What in-app purchases and subscription pricing do Duolingo: Language Lessons and Good Idea Rat Stickers offer? v
Duolingo: Language Lessons: IAP range 5 tiers detected. Good Idea Rat Stickers: no IAP detected on the public listing. Duolingo: Language Lessons runs a "Subscription (~$9.99/mo, language) · calibrated by US grossing rank #24" monetization model; Good Idea Rat Stickers runs "Paid app ($0.99)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Duolingo: Language Lessons or Good Idea Rat Stickers? v
Duolingo: Language Lessons edges ahead with a higher overall score (gap of 4.7 stars). Rating volume: Duolingo: Language Lessons 5.3M ratings, Good Idea Rat Stickers 0 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Duolingo: Language Lessons vs Good Idea Rat Stickers revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $15.60M for Duolingo: Language Lessons and $40 for Good Idea Rat Stickers are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Education / Stickers) - 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 Duolingo: Language Lessons or Good Idea Rat Stickers 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.