Nex: sales app for stores vs Buku: Invoice maker, bill book
Nex: sales app for stores
Nextar Tecnologia de Software Ltda Me
App Store
$227/mo
~$2.7K/yr · 3K installs
VS
Buku: Invoice maker, bill book
Buku - Invoice Maker, Retail billing business apps
Google Play
$4.0K/mo
~$48.1K/yr · 133K installs
Revenue winner
Buku: Invoice maker, bill book wins
+1665% vs other
Installs winner
Buku: Invoice maker, bill book wins
+4180% vs other
MAU winner
Buku: Invoice maker, bill book wins
+3065% vs other
Rating winner
Nex: sales app for stores wins
+3% vs other
Why Buku: Invoice maker, bill book is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Buku: Invoice maker, bill book earns roughly 18× more per month than Nex: sales app for stores - $4.0K vs $227.
- Aggressive pricing. Buku: Invoice maker, bill book undercuts at $8.99/mo vs $19.00/mo - converts a higher % of free users.
- Bigger install base. Buku: Invoice maker, bill book has ~133K lifetime installs vs Nex: sales app for stores's ~3K - 42.8× the funnel top.
→ Find more apps with this revenue gap · Full Buku: Invoice maker, bill book report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Nex: sales app for stores
vs
Buku: Invoice maker, bill book
Monthly revenue (est.)?
$227
▶
$4.0K
Annual revenue (est.)
$2.7K
▶
$48.1K
Lifetime installs (est.)
3K
▶
133K
Monthly active users (est.)?
368.9
▶
12K
App Store rating
4.82★
◀
4.67★
Total ratings
62
▶
1K
US grossing rank
-
=
-
Cheapest monthly sub
$19.00
◀
$8.99
IAP tiers detected
1 tiers
◀
0 tiers
- Category
- Business
- Price
- Free
- Released
- Jan 9, 2023
- Last updated
- May 8, 2026
- File size
- 103.8 MB
- Content rating
- 4+
- Version
- 2.4.40091
- Languages
- English, Portuguese, Spanish
- Category
- Business
- Price
- Free
- Released
- Feb 7, 2020
- Last updated
- May 5, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 8.6.3
- Languages
- -
Nex: sales app for stores trajectory
Buku: Invoice maker, bill book trajectory
FAQ
Which makes more money, Nex: sales app for stores or Buku: Invoice maker, bill book? v
Buku: Invoice maker, bill book earns about $4.0K per month, while Nex: sales app for stores earns about $227. That is a 17.6× revenue gap (~$3.8K more per month for Buku: Invoice maker, bill book). Annual revenue: Nex: sales app for stores ≈ $2.7K/year, Buku: Invoice maker, bill book ≈ $48.1K/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Nex: sales app for stores or Buku: Invoice maker, bill book? v
Buku: Invoice maker, bill book leads with about 133K estimated downloads vs 3K for Nex: sales app for stores - a 42.8× gap. Nex: sales app for stores's App Store downloads are estimated from 62 ratings × the standard 1:75 ratio. Buku: Invoice maker, bill book reports 100,000+ installs on Google Play.
Are Nex: sales app for stores and Buku: Invoice maker, bill book 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 Nex: sales app for stores and Buku: Invoice maker, bill book offer? v
Nex: sales app for stores: IAP range 1 tiers detected. Buku: Invoice maker, bill book: IAP range $0.49 - $164.99 per item. Nex: sales app for stores runs a "Subscription (~$19.00/mo)" monetization model; Buku: Invoice maker, bill book runs "Subscription (~$8.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Nex: sales app for stores or Buku: Invoice maker, bill book? v
Nex: sales app for stores edges ahead with ★ 4.8 vs ★ 4.7 (gap of 0.2 stars). Rating volume: Nex: sales app for stores 62 ratings, Buku: Invoice maker, bill book 4 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Nex: sales app for stores vs Buku: Invoice maker, bill book revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $227 for Nex: sales app for stores and $4.0K for Buku: Invoice maker, bill book 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 Nex: sales app for stores or Buku: Invoice maker, bill book 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.