Billdu: Invoice Estimate Maker vs Invoice Simple: Invoice Maker
Billdu: Invoice Estimate Maker
BILLDU LTD
App Store
$84.6K/mo
~$1.02M/yr · 2.8M installs
VS
Invoice Simple: Invoice Maker
Zenvoice Inc.
App Store
$371.9K/mo
~$4.46M/yr · 18.4M installs
Revenue winner
Invoice Simple: Invoice Maker wins
+339% vs other
Installs winner
Invoice Simple: Invoice Maker wins
+567% vs other
MAU winner
Invoice Simple: Invoice Maker wins
+405% vs other
Rating winner
Invoice Simple: Invoice Maker wins
+1% vs other
Why Invoice Simple: Invoice Maker is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Invoice Simple: Invoice Maker earns roughly 4× more per month than Billdu: Invoice Estimate Maker - $371.9K vs $84.6K.
- Aggressive pricing. Invoice Simple: Invoice Maker undercuts at $6.99/mo vs $7.99/mo - converts a higher % of free users.
- Bigger install base. Invoice Simple: Invoice Maker has ~18.4M lifetime installs vs Billdu: Invoice Estimate Maker's ~2.8M - 6.7× the funnel top.
→ 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.
Billdu: Invoice Estimate Maker
vs
Invoice Simple: Invoice Maker
Monthly revenue (est.)?
$84.6K
▶
$371.9K
Annual revenue (est.)
$1.02M
▶
$4.46M
Lifetime installs (est.)
2.8M
▶
18.4M
Monthly active users (est.)?
327K
▶
1.7M
App Store rating
4.82★
▶
4.87★
Total ratings
25K
▶
122K
US grossing rank
-
=
-
Cheapest monthly sub
$7.99
◀
$6.99
IAP tiers detected
9 tiers
=
9 tiers
- Category
- Business
- Price
- Free
- Released
- May 25, 2012
- Last updated
- Apr 27, 2026
- File size
- 215.1 MB
- Content rating
- 4+
- Version
- 26.3.10
- Languages
- Arabic, Czech, Danish, Dutch, English, French +8 more
- 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
Billdu: Invoice Estimate Maker trajectory
Invoice Simple: Invoice Maker trajectory
FAQ
Which makes more money, Billdu: Invoice Estimate Maker or Invoice Simple: Invoice Maker? v
Invoice Simple: Invoice Maker earns about $371.9K per month, while Billdu: Invoice Estimate Maker earns about $84.6K. That is a 4.4× revenue gap (~$287.3K more per month for Invoice Simple: Invoice Maker). Annual revenue: Billdu: Invoice Estimate Maker ≈ $1.02M/year, Invoice Simple: Invoice Maker ≈ $4.46M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Billdu: Invoice Estimate Maker or Invoice Simple: Invoice Maker? v
Invoice Simple: Invoice Maker leads with about 18.4M estimated downloads vs 2.8M for Billdu: Invoice Estimate Maker - a 6.7× gap. Billdu: Invoice Estimate Maker's App Store downloads are estimated from 25K ratings × the standard 1:75 ratio. Invoice Simple: Invoice Maker's App Store downloads are estimated from 122K ratings.
Are Billdu: Invoice Estimate Maker and Invoice Simple: Invoice Maker in the same App Store category 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 Billdu: Invoice Estimate Maker and Invoice Simple: Invoice Maker offer? v
Billdu: Invoice Estimate Maker: IAP range 9 tiers detected. Invoice Simple: Invoice Maker: IAP range 9 tiers detected. Billdu: Invoice Estimate Maker runs a "Subscription (~$7.99/mo)" monetization model; Invoice Simple: Invoice Maker runs "Subscription (~$6.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Billdu: Invoice Estimate Maker or Invoice Simple: Invoice Maker? v
Invoice Simple: Invoice Maker edges ahead with ★ 4.9 vs ★ 4.8 (gap of 0.0 stars). Rating volume: Billdu: Invoice Estimate Maker 25K ratings, Invoice Simple: Invoice Maker 122K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Billdu: Invoice Estimate Maker vs Invoice Simple: Invoice Maker revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $84.6K for Billdu: Invoice Estimate Maker and $371.9K for Invoice Simple: Invoice Maker are derived from App Store grossing rank, 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 Billdu: Invoice Estimate Maker or Invoice Simple: Invoice Maker 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.