quietmoney

Zendaibills

After adding Zendai as a friend on LINE, you record income and expenses by typing, sending receipt photos, or voice; it can answer questions about the shop's numbers, pushes a daily sales summary, supports being added to the shop's LINE group so staff can record together, and exports to Excel/PDF.

zendaibills.com ↗UtilityThailand 100%#461 of 563 by revenue
Open Zendaibills ↗← Back to the list
Revenue, last month
$1,518
#461 of 563 by revenue
vs prior month
▼ 21%
$1,928 → $1,518, gain −$410
Website visits, last month
22,514
estimated from the TrustMRR payment count
Take-off year
2025
How it startedLong-tail searchGrew on search traffic for many specific need-based queries
New-user source nowSEONew users mostly come from need-based searches
Growth engineSearch rankingHolds search rankings for need-based queries
Spreads purely by itselfNo
An AI bookkeepiOne-line growth story, compiled by us from public sources; speculation is marked separately below.

Revenue over time

$9574–6 months ago avg
$1.2K3 months ago
$1.9K2 months ago
$1.5KLast month

Real payments synced by TrustMRR, in USD, by calendar month, renewals included.

MRR
$1,346
Revenue, last 30 days
$1,436
All-time revenue
$15,221
Active subscriptions
146
Payments via
Stripe
Source
TrustMRR, synced from the founder's payment account

1. Productwhat it sells, to whom, and how it charges

Product
After adding Zendai as a friend on LINE, you record income and expenses by typing, sending receipt photos, or voice; it can answer questions about the shop's numbers, pushes a daily sales summary, supports being added to the shop's LINE group so staff can record together, and exports to Excel/PDF.
Users
Small shop owners, market stall vendors, and small businesses in Thailand who run their business on LINE, and small merchants who need to organize accounts for tax filing
Positioning
No app to install: bookkeeping happens directly inside LINE, which Thais use most, with a Thai interface, and a price lower than traditional bookkeeping software (from ฿259 per month, with a free tier)
Pricing
Free ฿0 (100 records and 20 receipts per month); Basic ฿259/month or ฿3,109/year; Growth ฿439/month or ฿5,269/year; Advanced ฿749/month or ฿8,989/year Billing: subscription Free tier: yes Source: Homepage
Prices on site
฿0/yr (Free: 100 entries, 20 receipt images/mo); ฿259/mo or ฿3,109/yr (Basic); ฿439/mo or ฿5,269/yr (Growth); ฿749/mo or ฿8,989/yr (Advanced)
Sharing mechanics
group invites Weak: "ดึงเซนไดเข้ากลุ่ม LINE ของร้าน ให้พนักงานช่วยกันจด" (add the bot to the shop's LINE group so staff record together). No referral rewards visible.
“Weak: "ดึงเซนไดเข้ากลุ่ม LINE ของร้าน ให้พนักงานช่วยกันจด" (add the bot to the shop's LINE group so staff record together). No referral rewards visible.”Quote from the site

2. Channelswhere new users come from and what the traffic looks like

New-user source: SEO (Non-brand search). Similarweb (last month) shows organic search about 45%, direct about 40%, and referrals about 9%; the search keywords are Thai non-brand keywords, such as "ไลน์บันทึกรายรับรายจ่าย" (LINE record income and expenses) and "ai ช่วยจัดเก็บรายรับรายจ่าย ผ่าน line", with a brand keyword share of about 0. The website blog has 42 Thai articles on topics such as invoices, receipts, and tax (such as ภ.พ.30), matching small merchants' search needs. It also runs TikTok, YouTube, Facebook, Instagram, Lemon8, and LINE official accounts; existing users are retained through daily use in LINE and the daily sales summary. The founder did not fill in a channel on TrustMRR.

Last month's traffic sources

Search 45%Referrals/email/paid 9%Direct 40%Unknown 6%

Top channel measured by Similarweb, others estimated by rank

Five-class attribution

Attributable new users, last monthShare
SEO45%
Viral40%
Other15%

Direct + brand search 40%. Direct and brand search count as viral only when the site shows sharing mechanics; the largest share wins, under 5% means Other.

Countries

CountryShare of visits
Thailand100%

Language

Thai

Keywords

6 keywords · brand ~40% · organic 100% / paid 0%

Similarweb top 5 keywords
ไลน์บันทึกรายรับรายจ่าย
รายรับ-รายจ่าย line
ai ช่วยจัดเก็บรายรับรายจ่าย ผ่าน line
zentbill
ai ช่วยจัดเก็บรายรับรายจ่าย

Non-brand queries: ไลน์บันทึกรายรับรายจ่าย, รายรับ-รายจ่าย line, ai ช่วยจัดเก็บรายรับรายจ่าย ผ่าน line, zentbill, ai ช่วยจัดเก็บรายรับรายจ่าย

Site metrics (Similarweb, last month)

Visits MoM
-15.19%
Bounce rate
31.06%
Pages / visit
4.45
Visit duration
00:02:05
Top 3 channels
Direct › Organic Search › Referrals (top channel 39.78%)

3. Growth pathhow the first users arrived and what kept it growing

Classification

Basics

Timeline

Growth loop

Revenue and scale clues

Confidence and gaps

🔒 Unlock with 发大财ProSee the timeline, growth loop, revenue clues and every source

Other sites that started via “Long-tail search”

Similar sitessame category, also growing via SEO

FAQ

How much revenue does Zendaibills make per month?

About $1,518 last month (real payments synced by TrustMRR), #461 of 563 TrustMRR sites; the month before was $1,928.

Where do Zendaibills's new users come from?

New-user source: SEO (Non-brand search). New users mostly come from need-based searches Similarweb (last month) shows organic search about 45%, direct about 40%, and referrals about 9%; the search keywords are Thai non-brand keywords, such as "ไลน์บันทึกรายรับรายจ่าย" (LINE record income and expenses) and "ai ช่วยจัดเก็บรายรับรายจ่าย ผ่าน line", with a brand keyword share of about 0. The website blog has 42 Thai articles on topics such as invoices, receipts, and tax (such as ภ.พ.30), matching small merchants' search needs. It also runs TikTok, YouTube, Facebook, Instagram, Lemon8, and LINE official accounts; existing users are retained through daily use in LINE and the daily sales summary. The founder did not fill in a channel on TrustMRR.

How much does Zendaibills cost?

Free ฿0 (100 records and 20 receipts per month); Basic ฿259/month or ฿3,109/year; Growth ฿439/month or ฿5,269/year; Advanced ฿749/month or ฿8,989/year

Dossier confidence: medium. Parts 1 and 2 come from reading the site and Similarweb data; part 3 from public reporting, founder posts, Wayback snapshots, WHOIS and similar, with speculation marked.

The numbers: revenue comes from TrustMRR: real payments synced automatically from the founder's Stripe or other payment account, summed by calendar month, renewals included, in USD. Site visits come from the Similarweb public page; where it shows none, they are estimated from global rank or the TrustMRR payment count, as noted on the page.

Data through last month. Page updated 2026-10-31.