# Varr Labs > We build reliable Shopify apps for modern merchants. No bloat, no shortcuts — just tools your store can depend on. ## About Varr Labs Varr Labs is a software company that builds Shopify apps for modern merchants. Reliable, purpose-built tools your store can depend on. - Website: https://varrlabs.com - Shopify App Store: https://apps.shopify.com/partners/vr58 - Support: termstack@varrlabs.com ## Apps ### TermStack TermStack automates B2B payment terms and deposit requirements at checkout for Shopify Plus stores. - **What it does**: Define payment term rules once — TermStack enforces Net 15/30/45/60/90 and deposit requirements at checkout automatically using Shopify Functions. - **Who it's for**: Shopify Plus merchants using Shopify B2B (Companies and company locations). - **Key features**: - Automated payment terms at checkout (Net 7/15/30/45/60/90) - Configurable deposit requirements (0-99%) - Rule conditions: customer tags, company, company location, order total, first order, total orders count, collection - Rule simulator for testing before publishing - Version history and rollback - Fail-safe checkout behavior — checkout continues normally if rule evaluation cannot run - Does NOT affect DTC (consumer) checkout - **Requirements**: Shopify Plus with B2B enabled - **Pricing**: Free to install with a free trial - **Product page**: https://varrlabs.com/apps/termstack - **Help & FAQs**: https://varrlabs.com/apps/termstack/help - **Install**: https://apps.shopify.com/termstack ## Blog We publish practical guides for Shopify merchants covering B2B commerce, payment terms, Shopify Functions, and store optimization. - Blog: https://varrlabs.com/blog ## Case Studies Customer stories documenting how specific merchants use our apps in production. Published under the blog with the "Case Study" tag. ### US toy and gift wholesaler — automated B2B payment terms - **Merchant**: A US toy and gift wholesaler selling to thousands of independent and specialty retailers (anonymized by request) - **Platform**: Shopify Plus, native B2B checkout - **Problem**: Payment terms were static per company location, so exceptions were handled manually through draft orders, spreadsheets, and individual knowledge - **What they run now**: TermStack, with a small set of prioritized rules keyed to order value and buyer attributes, governing thousands of company accounts - **Outcome**: No manual draft orders for terms handling, one policy applied consistently at checkout, every rule change versioned and logged - **Live since**: Spring 2026 - **Verified quote**: "Very useful app and the support is fantastic." (Verified review, Shopify App Store, May 2026) - **Read it**: https://varrlabs.com/blog/b2b-payment-terms-case-study-toy-gift-wholesaler ## Affiliate Program We offer a partner/affiliate program with 30% recurring commission for 24 months per referral. Open to agencies, developers, influencers, and bloggers. - Affiliate page: https://varrlabs.com/affiliate