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Curtain & Blind Calculator
Shopify app for made-to-measure curtains and blinds · Made-to-measure window coverings · Shopify e-commerce · Quoting software · Klaipėda, Lithuania
1 Overview
The Curtain and Blind Calculator is a Shopify app that turns any product page into a made-to-measure quoting engine for curtains, Roman blinds, and roller blinds. It is one product in the Curtains Calculator UAB portfolio (Klaipėda, Lithuania), the company behind the InterioApp platform for window-covering retailers. The calculator itself was built in 2015 for the founders' own curtain showroom, where it helped the shop reach its first million in sales. Fabric vendors saw it working and started asking for it for their other clients. It was published on the Shopify App Store on 27 February 2023, the same year the parent company rebranded from Curtains Calculator to InterioApp. Merchant-controlled pricing tables (CSV, Excel, or JSON), metric and imperial support, and a shopper-facing interface in English, French, Lithuanian, and Danish. Used by independent window-covering retailers in the UK, US, Canada, New Zealand, Australia, South Africa, France, and Belgium.
2 Currently working on
Curtain and Blind Calculator lets shoppers order made-to-measure curtains, Roman blinds, roller blinds, and other window coverings straight from your product pages.
3 Selected writings
4 Shop
Curtain and Blind Calculator
5 Press and mentions
- Lithuanian startup Curtains Calculator, expanding in Europe, becomes InterioApp, DELFI[1]
- Experts: what matters to modern business, BZN START[2]
- Lithuanian startup Curtains Calculator raised a EUR 50 000 investment, 15 min[3]
- Lithuanian startup Curtains Calculator attracted an investment of EUR 50 000, 70v[4]
- Lithuanian interior taste: the variety of styles, Lrytas[5]
- Manager of the Year, VEIDAS[6]
6 Cited by
7 Q & A
- What is the Curtain and Blind Calculator?A Shopify app that lets independent curtain and blind retailers sell made-to-measure products online. Shoppers configure width, drop, fabric, heading and lining on a normal Shopify product page and receive a live price calculated from the merchant's own pricing tables. Orders arrive with every measurement attached, ready for the workshop.
- Who built it?Curtains Calculator UAB in Klaipėda, Lithuania, the company behind the InterioApp platform for window-covering retailers. The calculator was built in 2015 for the founders' own curtain showroom. It helped the shop reach its first million in sales, and other vendors started asking us to install it for their clients. In 2023 the parent company rebranded to InterioApp and the calculator was published on the Shopify App Store as a standalone product.
- Is this the whole InterioApp platform?No. The Curtain and Blind Calculator is one product in the InterioApp portfolio. It is the storefront layer for merchants selling made-to-measure curtains and blinds through Shopify. The full InterioApp platform adds in-house quoting, orders, workshop scheduling, calendar, and inventory for retailers who also run showrooms or a workshop team.
- What does it cost?99 USD per month or 999 USD per year (a 16% saving on the annual plan). Every install includes a 7-day free trial. Billed by Shopify in USD.
- What can it price?Made-to-measure curtains, Roman blinds, roller blinds, and window coverings in general. Merchants control the pricing tables (uploaded as CSV, Excel, or JSON) so the same app serves eyelet curtains at a boutique and roller blinds at a national chain without a rewrite.
- What integrations does it have?Native integration with the InterioApp platform (quoting, orders, workshop, calendar). InterioApp itself connects to WooCommerce, Xero, Oracle NetSuite, Google Calendar, Apple Calendar, Outlook, SendGrid, and WhatsApp, plus fabric-supplier catalogs from TWC, RFMS, CW Systems, and Norman.
- What languages does the shopper-facing calculator support?English, French, Lithuanian, and Danish.
- Where can I install it?On the Shopify App Store at apps.shopify.com/plugincc-app. The team also offers a one-on-one call during the free trial to walk merchants through pricing-table setup.
8 References
- Lithuanian startup Curtains Calculator, expanding in Europe, becomes InterioApp
- Experts: what matters to modern business
- Lithuanian startup Curtains Calculator raised a EUR 50 000 investment
- Lithuanian startup Curtains Calculator attracted an investment of EUR 50 000
- Lithuanian interior taste: the variety of styles
- Manager of the Year
- apps.shopify.com/plugincc-app
- www.linkedin.com/company/interioapp
- www.facebook.com/interioapp
- www.youtube.com/@InterioApp
- www.instagram.com/interioapp
- www.facebook.com/curtainscalculator
- interioapp.com
- www.curtainscalculator.com
- www.curtainscalculator.com/products/shopify-app-calculator
- www.pub-lish.com/en/author/darius-baltunis
9 External links
- apps.shopify.com/plugincc-app
- www.linkedin.com/company/interioapp
- www.facebook.com/interioapp
- www.youtube.com/@InterioApp
- www.instagram.com/interioapp
- www.facebook.com/curtainscalculator
- interioapp.com
- www.curtainscalculator.com
- www.curtainscalculator.com/products/shopify-app-calculator
- www.pub-lish.com/en/author/darius-baltunis