Byte-Code Spa
Shopify and Shopify Plus development, replatforming, MarTech and headless services, plus a cash on delivery app
Byte-Code Spa is a Shopify app developer that makes JustCOD (Cash on Delivery), a pay later app on the Shopify App Store. It provides Shopify and Shopify Plus development, replatforming, MarTech and headless services, plus a cash on delivery app. It is listed on Klaviyo's agency directory at the Silver Master tier, where it lists Strategy & Consulting, Implementation & Onboarding, Technical Development & Design and 5 more services for brands with $1M to $100M in annual revenue, on Shopify and Shopify Plus. It carries Shopify's Built for Shopify badge. It has a free plan.
Overview
Byte-Code is a Milan-based e-commerce agency that builds and runs Shopify and Shopify Plus stores for brands. Its services cover custom Liquid development, replatforming and data migration, MarTech strategy and headless Shopify setups. It also publishes JustCOD, a Shopify app for managing cash on delivery orders at checkout.
For Shopify brands
- A team of Shopify experts handles store builds, redesigns and moves from other platforms to Shopify, including data migration.
- Klaviyo-based lifecycle and MarTech work connects the store's technology with its marketing activity.
- The JustCOD app lets a store add cash on delivery fees, block risky buyers and adjust the cash on delivery step at checkout without coding.
- Built for
- Shopify and Shopify Plus brands in Europe with annual revenue of about $1M to $100M, across retail verticals such as apparel and beauty, home and electronics, food and beverage, and outdoor and automotive.
- Pricing
- JustCOD is pay as you go and free up to 65 cash on delivery orders per month. Agency service pricing is not published.
Products
- MarTech Strategy Lifecycle optimization and data-driven growth work for e-commerce brands.
- Headless e-commerce Design and management of headless Shopify setups, covering APIs, integrations and architecture.
- JustCOD (Cash on Delivery) Shopify app to add cash on delivery fees, block risky buyers and tailor checkout.
Integrations
Buyer notes
- Based in Milan, Italy; the website is available in Italian and English.
- Shopify Plus partner, Google partner, LinkedIn Ads partner and Klaviyo Silver Master tier partner.
- Team of about 40 Shopify experts with more than 10 years of experience.
- JustCOD carries the Built for Shopify badge.
From Byte-Code Spa's own site and Shopify App Store listings, as of 2026-10-30.
Services
- Platforms
- Shopify, Shopify Plus
- Brand size
- $1M - $10M, $10M - $30M, $30M - $100M annual revenue
- Regions
- Europe
- Industries
- Retail: Subscriptions & Digital Goods, Retail: Home & Electronics, Retail: Food & Beverage, Retail: Apparel & Beauty, B2B & Professional Services, Retail: Outdoor & Automotive
As listed on Klaviyo's agency directory, Silver Master tier, 2026-11-03.
On the Shopify App Store
- Built for ShopifyFree planLaunched 2025Pay later
Manage Cash on Delivery like a pro. Add fees, block risky buyers, and tailor the COD experience at checkout. Easy setup, full control, no coding required.
Pricing
Pay as you goEstimated monthly cost- Free up to 65 COD orders per month
Ratings, reviews, plans, prices and descriptions as the Shopify App Store lists them. how we count.
What Shopify apps does Byte-Code Spa make?
Byte-Code Spa has 1 app on the Shopify App Store: JustCOD (Cash on Delivery).
What services does Byte-Code Spa offer?
On Klaviyo's agency directory, Byte-Code Spa lists Strategy & Consulting, Implementation & Onboarding, Technical Development & Design, Omnichannel Messaging, Data & Analytics, Growth & Acquisition, Customer Service & Support and AI Strategy & Automation. It says it works with brands with $1M to $100M in annual revenue, in Europe. Platforms: Shopify and Shopify Plus.
How much does Byte-Code Spa cost?
It has a free plan. JustCOD (Cash on Delivery): Pay as you go, Estimated monthly cost.