CalCs - Calendar Complications vs Robokiller: Spam Call Blocker

CalCs - Calendar Complications

Akihiro Usui
App Store
$6/mo
~$71/yr · 450 installs
VS

Robokiller: Spam Call Blocker

Mosaic S.r.l.
App Store
$699.1K/mo
~$8.39M/yr · 62.0M installs
Revenue winner Robokiller: Spam Call Blocker wins +11651300% vs other
Installs winner Robokiller: Spam Call Blocker wins +13776333% vs other
MAU winner Robokiller: Spam Call Blocker wins +6829243% vs other
Rating winner CalCs - Calendar Complications wins +1% vs other

Why Robokiller: Spam Call Blocker is winning

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

  1. Robokiller: Spam Call Blocker earns roughly 116514× more per month than CalCs - Calendar Complications - $699.1K vs $6.
  2. Aggressive pricing. Robokiller: Spam Call Blocker undercuts at $5.99/mo vs $17.34/mo - converts a higher % of free users.
  3. Bigger install base. Robokiller: Spam Call Blocker has ~62.0M lifetime installs vs CalCs - Calendar Complications's ~450 - 137764.3× the funnel top.
  4. More monetization surfaces. Robokiller: Spam Call Blocker runs 5 IAP tiers vs 3 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Robokiller: Spam Call Blocker report

Side-by-side metrics

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

CalCs - Calendar Complications
vs
Robokiller: Spam Call Blocker
Monthly revenue (est.)?
$6
▶
$699.1K
Annual revenue (est.)
$71
▶
$8.39M
Lifetime installs (est.)
450
▶
62.0M
Monthly active users (est.)?
52.65
▶
3.6M
App Store rating
4.56★
◀
4.51★
Total ratings
9
▶
413K
US grossing rank
-
=
-
Cheapest monthly sub
$17.34
◀
$5.99
IAP tiers detected
3 tiers
▶
5 tiers

CalCs - Calendar Complications

Akihiro Usui
App Store
Category
Utilities
Price
USD0.49
Released
Apr 24, 2024
Last updated
May 7, 2026
File size
4.8 MB
Content rating
4+
Version
1.101
Languages
English
View full CalCs - Calendar Complications report →

Robokiller: Spam Call Blocker

Mosaic S.r.l.
App Store
Category
Utilities
Price
Free
Released
Sep 8, 2015
Last updated
Apr 29, 2026
File size
193.7 MB
Content rating
4+
Version
24.7.54
Languages
English, Italian, Spanish
View full Robokiller: Spam Call Blocker report →

CalCs - Calendar Complications trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Robokiller: Spam Call Blocker trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

CalCs - Calendar Complications App Store page →Robokiller: Spam Call Blocker App Store page →

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FAQ

Which makes more money, CalCs - Calendar Complications or Robokiller: Spam Call Blocker? v
Robokiller: Spam Call Blocker earns about $699.1K per month, while CalCs - Calendar Complications earns about $6. That is a 116514.0× revenue gap (~$699.1K more per month for Robokiller: Spam Call Blocker). Annual revenue: CalCs - Calendar Complications ≈ $71/year, Robokiller: Spam Call Blocker ≈ $8.39M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, CalCs - Calendar Complications or Robokiller: Spam Call Blocker? v
Robokiller: Spam Call Blocker leads with about 62.0M estimated downloads vs 450 for CalCs - Calendar Complications - a 137764.3× gap. CalCs - Calendar Complications's App Store downloads are estimated from 9 ratings × the standard 1:75 ratio. Robokiller: Spam Call Blocker's App Store downloads are estimated from 413K ratings.
Are CalCs - Calendar Complications and Robokiller: Spam Call Blocker in the same App Store category and competing for the same money? v
Yes - both apps sit in the Utilities 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 CalCs - Calendar Complications and Robokiller: Spam Call Blocker offer? v
CalCs - Calendar Complications: IAP range 3 tiers detected. Robokiller: Spam Call Blocker: IAP range 5 tiers detected. CalCs - Calendar Complications runs a "Paid app ($0.49)" monetization model; Robokiller: Spam Call Blocker 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, CalCs - Calendar Complications or Robokiller: Spam Call Blocker? v
CalCs - Calendar Complications edges ahead with ★ 4.6 vs ★ 4.5 (gap of 0.1 stars). Rating volume: CalCs - Calendar Complications 9 ratings, Robokiller: Spam Call Blocker 413K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CalCs - Calendar Complications vs Robokiller: Spam Call Blocker revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $6 for CalCs - Calendar Complications and $699.1K for Robokiller: Spam Call Blocker are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Utilities) - 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 CalCs - Calendar Complications or Robokiller: Spam Call Blocker 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.