ClassDojo vs Sdui

ClassDojo

ClassDojo, Inc.
App Store
$1.65M/mo
~$19.80M/yr · 669.1M installs
VS

Sdui

Sdui GmbH
App Store
$0/mo
~$0/yr · 3K installs
Revenue winner ClassDojo wins +165041300% vs other
Installs winner ClassDojo wins +25248306% vs other
MAU winner ClassDojo wins +2176487% vs other
Rating winner ClassDojo wins +8% vs other

Why ClassDojo is winning

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

  1. ClassDojo earns roughly 1650413× more per month than Sdui - $1.65M vs $0.
  2. Subscription model. ClassDojo runs a $7.99/mo subscription that compounds; Sdui relies on one-shot IAP or ads.
  3. Bigger install base. ClassDojo has ~669.1M lifetime installs vs Sdui's ~3K - 252484.1× the funnel top.
  4. Better app store reviews. ClassDojo sits at 4.85★ vs 4.47★ - store algorithms reward higher-rated apps with more impressions.

Find more apps with this revenue gap · Full ClassDojo report

Side-by-side metrics

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

ClassDojo
vs
Sdui
Monthly revenue (est.)?
$1.65M
$0
Annual revenue (est.)
$19.80M
$0
Lifetime installs (est.)
669.1M
3K
Monthly active users (est.)?
6.7M
307.4
App Store rating
4.85★
4.47★
Total ratings
3.9M
53
US grossing rank
-
=
-
Cheapest monthly sub
$7.99
No sub
IAP tiers detected
1 tiers
0 tiers

ClassDojo

ClassDojo, Inc.
App Store
Category
Education
Price
Free
Released
Sep 10, 2012
Last updated
Jul 1, 2026
File size
237.9 MB
Content rating
4+
Version
17.115.0
Languages
Arabic, BN, Bulgarian, Catalan, English, French +19 more
View full ClassDojo report →

Sdui

Sdui GmbH
App Store
Category
Education
Price
Free
Released
Sep 9, 2016
Last updated
Jun 11, 2026
File size
51.6 MB
Content rating
4+
Version
4.2.0
Languages
English, French, German
View full Sdui report →

ClassDojo trajectory

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Sdui trajectory

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FAQ

Which makes more money, ClassDojo or Sdui? v
ClassDojo earns about $1.65M per month, while Sdui earns about $0. That is a ∞× revenue gap (~$1.65M more per month for ClassDojo). Annual revenue: ClassDojo ≈ $19.80M/year, Sdui ≈ $0/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, ClassDojo or Sdui? v
ClassDojo leads with about 669.1M estimated downloads vs 3K for Sdui - a 252484.1× gap. ClassDojo's App Store downloads are estimated from 3.9M ratings × the standard 1:75 ratio. Sdui's App Store downloads are estimated from 53 ratings.
Are ClassDojo and Sdui in the same App Store category and competing for the same money? v
Yes - both apps sit in the Education 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 ClassDojo and Sdui offer? v
ClassDojo: IAP range 1 tiers detected. Sdui: no IAP detected on the public listing. ClassDojo runs a "Subscription (~$7.99/mo)" monetization model; Sdui runs "No App Store revenue (monetizes off-store)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, ClassDojo or Sdui? v
ClassDojo edges ahead with ★ 4.9 vs ★ 4.5 (gap of 0.4 stars). Rating volume: ClassDojo 3.9M ratings, Sdui 53 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these ClassDojo vs Sdui revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $1.65M for ClassDojo and $0 for Sdui are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (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 ClassDojo or Sdui 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.