01Collaboration2025
Bookings, invoices — all in Shopify.
Bookings, on-site search, invoices, revenue ranking. Where Shopify leaves Japanese merchants stuck, we build the answer as a Shopify app rather than another SaaS subscription — planned, built, operated and supported in-house.
On the Shopify App Store
- I want to add an appBookings, search, invoices, sales ranking. Free plans let you install one today.See the four apps
- I want a store built or fixedNew builds, migrations, theme work and monthly support, handled directly by the developer behind the apps.See development & support
- I want to look something upGuides to Shopify features, choosing apps and what a build costs.Read the blog
01
The Maru series
Apps for the places Japanese shops get stuck
All four are in Japanese, down to the admin, help and support. They run inside the Shopify admin, so customers and orders stay in one place.
Shopify booking app
Maru Booking
In-store appointment and event booking calendar, staff and resource management, customer records with visit history, and adding bookings to Google Calendar.
Pricing：Free plan · 7-day trial / from $19.99
Shopify search app
Maru Search
Site search that handles Japanese spelling variants, searching products, blog posts and pages, SKUs, and search analytics.
Pricing：Free plan · 14-day trial / from $29.99
Shopify invoice app
Maru Invoice
Estimates, plus invoices, delivery notes and receipts under Japan's invoice rules, with CSV export for accounting and shipping.
Pricing：Free plan · 7-day trial / from $9.99
Shopify ranking app
Maru Sales Ranking
Best-seller rankings published automatically, with attribution and A/B testing.
Pricing：Free plan · 7-day trial / from $12
02
Shopify development & support
The team behind the apps builds and runs your store
Missing features get built as apps, and the store and code stay yours.
- 01
New store build
From page design and theme build to setup and training after launch
- 02
Migration & redesign
Moving from BASE, STORES and others, or rebuilding your current store
- 03
Fixes & custom features
From theme changes to custom apps and Shopify Functions
- 04
Monthly support
Ongoing improvements with a monthly meeting and chat support
03
Built as a Shopify app, not another SaaS
Stitching outside SaaS together
- Booking SaaSCustomers and history live over there
- Search SaaSAnother login, another bill
- Invoice SaaSEnglish-only admin and support
Shopify storeOnly orders remain. Customers and stock kept twice
Built as Shopify apps
Shopify admin
- Maru Booking
- Maru Search
- Maru Invoice
- Maru Sales Ranking
Customers, orders, visit history and invoices in one place, in your store. One login
Customer data is never split in two
Retention and email run on customer data that stays in your own store, on your own terms.
One admin, not five logins
Bookings, search, invoices and sales analysis inside the Shopify admin you already use. One login, one set of customers and stock.
Nothing gets lost in translation
Planned, built, run and supported in Japan, so questions about behaviour or bugs are answered in Japanese.
04
Selected work
Sites we've made with brands, and a web service we plan and run ourselves.
View all projects
05
Notes on running a Shopify store
Guides to Shopify features and to choosing apps.
View all articles
06
Start by telling us what is stuck.
App questions and broader Shopify questions are equally welcome. Nothing needs to be fully specified yet. We usually reply within two business days.