Invoice Simple: Invoice Maker vs Calendly Mobile

Invoice Simple: Invoice Maker

Zenvoice Inc.
App Store
$371.9K/mo
~$4.46M/yr · 18.4M installs
VS

Calendly Mobile

Calendly LLC
Google Play
$0/mo
~$0/yr · 1.6M installs
Revenue winner Invoice Simple: Invoice Maker wins +37189800% vs other
Installs winner Invoice Simple: Invoice Maker wins +1029% vs other
MAU winner Invoice Simple: Invoice Maker wins +1622% vs other
Rating winner Invoice Simple: Invoice Maker wins +6% vs other

Why Invoice Simple: Invoice Maker is winning

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

  1. Invoice Simple: Invoice Maker earns roughly 371898× more per month than Calendly Mobile - $371.9K vs $0.
  2. Subscription model. Invoice Simple: Invoice Maker runs a $6.99/mo subscription that compounds; Calendly Mobile relies on one-shot IAP or ads.
  3. Bigger install base. Invoice Simple: Invoice Maker has ~18.4M lifetime installs vs Calendly Mobile's ~1.6M - 11.3× the funnel top.
  4. More monetization surfaces. Invoice Simple: Invoice Maker runs 9 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Invoice Simple: Invoice Maker report

Side-by-side metrics

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

Invoice Simple: Invoice Maker
vs
Calendly Mobile
Monthly revenue (est.)?
$371.9K
◀
$0
Annual revenue (est.)
$4.46M
◀
$0
Lifetime installs (est.)
18.4M
◀
1.6M
Monthly active users (est.)?
1.7M
◀
96K
App Store rating
4.87★
◀
4.58★
Total ratings
122K
◀
18K
US grossing rank
-
=
-
Cheapest monthly sub
$6.99
◀
No sub
IAP tiers detected
9 tiers
◀
0 tiers

Invoice Simple: Invoice Maker

Zenvoice Inc.
App Store
Category
Business
Price
Free
Released
Sep 18, 2013
Last updated
May 5, 2026
File size
199.5 MB
Content rating
4+
Version
6.2.0
Languages
Czech, Danish, Dutch, English, Finnish, French +17 more
View full Invoice Simple: Invoice Maker report →

Calendly Mobile

Calendly LLC
Google Play
Category
Business
Price
Free
Released
Feb 26, 2020
Last updated
May 5, 2026
File size
-
Content rating
Everyone
Version
3.6.0
Languages
-
View full Calendly Mobile report →

Invoice Simple: Invoice Maker trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Calendly Mobile trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Invoice Simple: Invoice Maker App Store page →Calendly Mobile Play Store page →

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FAQ

Which makes more money, Invoice Simple: Invoice Maker or Calendly Mobile? v
Invoice Simple: Invoice Maker earns about $371.9K per month, while Calendly Mobile earns about $0. That is a ∞× revenue gap (~$371.9K more per month for Invoice Simple: Invoice Maker). Annual revenue: Invoice Simple: Invoice Maker ≈ $4.46M/year, Calendly Mobile ≈ $0/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Invoice Simple: Invoice Maker or Calendly Mobile? v
Invoice Simple: Invoice Maker leads with about 18.4M estimated downloads vs 1.6M for Calendly Mobile - a 11.3× gap. Invoice Simple: Invoice Maker's App Store downloads are estimated from 122K ratings × the standard 1:75 ratio. Calendly Mobile reports 1,000,000+ installs on Google Play.
Are Invoice Simple: Invoice Maker and Calendly Mobile in the same App Store category on each store and competing for the same money? v
Yes - both apps sit in the Business 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 Invoice Simple: Invoice Maker and Calendly Mobile offer? v
Invoice Simple: Invoice Maker: IAP range 9 tiers detected. Calendly Mobile: no IAP detected on the public listing. Invoice Simple: Invoice Maker runs a "Subscription (~$6.99/mo)" monetization model; Calendly Mobile 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, Invoice Simple: Invoice Maker or Calendly Mobile? v
Invoice Simple: Invoice Maker edges ahead with ★ 4.9 vs ★ 4.6 (gap of 0.3 stars). Rating volume: Invoice Simple: Invoice Maker 122K ratings, Calendly Mobile 620 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Invoice Simple: Invoice Maker vs Calendly Mobile revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $371.9K for Invoice Simple: Invoice Maker and $0 for Calendly Mobile are derived from App Store grossing rank / Google Play install ranges, scraped IAP tiers, ratings volume and category benchmarks (Business) - 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 Invoice Simple: Invoice Maker or Calendly Mobile to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store or 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.