Skip to content
Pepin

From apps to store builds.
Shopify, all in one place.

Apps for bookings, invoices, search and more, built around how stores actually run.An engineer who knows both the merchant’s and the developer’s side works with you directly, from new features to store builds and growing sales.

The Maru series

Shopify apps that work right inside your admin

They run inside Shopify, so customers and orders never get split across other services. Support comes straight from the team that builds them.

  1. PL. 01 / 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

  2. PL. 02 / 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

  3. PL. 03 / 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

  4. PL. 04 / 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

Shopify development & support

The engineer behind our apps,by your side from store design to growth.

We fill missing features with custom-built apps, and your store’s assets and code always stay with you. With both a merchant’s and a developer’s view, we help your store grow in a way that lasts.

  • 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

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 SaaSIts own admin and support desk

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

  • 01

    Customer data is never split in two

    Retention and email run on customer data that stays in your own store, on your own terms.

  • 02

    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.

  • 03

    Answers from the people who built it

    Planned, built, run and supported by the same team, so questions about behaviour or bugs go straight to the people who wrote the code.

  • 04

    Security upkeep handled by Shopify

    Shopify runs and updates the servers. It is certified PCI DSS Level 1, and every domain gets a free TLS certificate, issued automatically.

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.