Kasalla vs Smule: Sing & Duet
Kasalla
Christian Hedel
App Store
$98/mo
~$1.2K/yr · 500 installs
VS
Smule: Sing & Duet
Smule
App Store
$1.63M/mo
~$19.60M/yr · 26.7M installs
Revenue winner
Smule: Sing & Duet wins
+1666776% vs other
Installs winner
Smule: Sing & Duet wins
+5348120% vs other
MAU winner
Smule: Sing & Duet wins
+4162554% vs other
Rating winner
Smule: Sing & Duet wins
+448% vs other
Why Smule: Sing & Duet is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- Smule: Sing & Duet earns roughly 16669× more per month than Kasalla - $1.63M vs $98.
- Aggressive pricing. Smule: Sing & Duet undercuts at $5.99/mo vs $14.99/mo - converts a higher % of free users.
- Bigger install base. Smule: Sing & Duet has ~26.7M lifetime installs vs Kasalla's ~500 - 53482.2× the funnel top.
- Better app store reviews. Smule: Sing & Duet sits at 4.48★ vs 0.00★ - store algorithms reward higher-rated apps with more impressions.
→ Find more apps with this revenue gap · Full Smule: Sing & Duet report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Kasalla
vs
Smule: Sing & Duet
Monthly revenue (est.)?
$98
▶
$1.63M
Annual revenue (est.)
$1.2K
▶
$19.60M
Lifetime installs (est.)
500
▶
26.7M
Monthly active users (est.)?
203
▶
8.5M
App Store rating
-
▶
4.48★
Total ratings
0
▶
178K
US grossing rank
-
=
-
Cheapest monthly sub
$14.99
◀
$5.99
IAP tiers detected
2 tiers
=
2 tiers
- Category
- Music
- Price
- Free
- Released
- Apr 27, 2026
- Last updated
- Jul 2, 2026
- File size
- 38.2 MB
- Content rating
- 17+
- Version
- 1.0.62
- Languages
- English
- Category
- Music
- Price
- Free
- Released
- Aug 8, 2012
- Last updated
- Jun 22, 2026
- File size
- 160.2 MB
- Content rating
- 12+
- Version
- 14.2.3
- Languages
- English, French, German, Indonesian, Japanese, Korean +8 more
Kasalla trajectory
Smule: Sing & Duet trajectory
FAQ
Which makes more money, Kasalla or Smule: Sing & Duet? v
Smule: Sing & Duet earns about $1.63M per month, while Kasalla earns about $98. That is a 16668.8× revenue gap (~$1.63M more per month for Smule: Sing & Duet). Annual revenue: Kasalla ≈ $1.2K/year, Smule: Sing & Duet ≈ $19.60M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Kasalla or Smule: Sing & Duet? v
Smule: Sing & Duet leads with about 26.7M estimated downloads vs 500 for Kasalla - a 53482.2× gap. Kasalla's App Store downloads are estimated from 0 ratings × the standard 1:75 ratio. Smule: Sing & Duet's App Store downloads are estimated from 178K ratings.
Are Kasalla and Smule: Sing & Duet in the same App Store category and competing for the same money? v
Yes - both apps sit in the Music 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 Kasalla and Smule: Sing & Duet offer? v
Kasalla: IAP range 2 tiers detected. Smule: Sing & Duet: IAP range 2 tiers detected. Kasalla runs a "Subscription (~$14.99/mo)" monetization model; Smule: Sing & Duet runs "Subscription (~$5.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Kasalla or Smule: Sing & Duet? v
Smule: Sing & Duet edges ahead with a higher overall score (gap of 4.5 stars). Rating volume: Kasalla 0 ratings, Smule: Sing & Duet 178K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Kasalla vs Smule: Sing & Duet revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $98 for Kasalla and $1.63M for Smule: Sing & Duet are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Music) - 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 Kasalla or Smule: Sing & Duet 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.