Nullstack VS CogsIQ

CogsIQ's answer:

CogsIQ was built by ProTech Bridge after reconciling a TikTok Shop's profit by spreadsheet and finding the real margin kept moving depending on which batch of inventory the spreadsheet assumed was selling. The team built a proper FIFO costing engine instead, then connected it to TikTok's Partner API so it updates automatically. It installs from the TikTok Shop App Store and pairs with Collabrun, the team's affiliate-outreach app.

CogsIQ's answer:

CogsIQ costs TikTok Shop sales using FIFO by batch, not a weighted average. Each purchase order becomes a batch at its own landed cost (freight and duty included), and every sale draws from the oldest batch first, so a pricier shipment shows up as lower margin on exactly the sales it supplied. It connects directly to the TikTok Shop API for orders, fees and payouts, and pairs with Collabrun so affiliate commission is counted too.

CogsIQ's answer:

Most profit tools for ecommerce sellers are built for Shopify or Amazon and treat TikTok Shop as an afterthought. CogsIQ is built for TikTok Shop specifically: it reads TikTok's own fee structure, FBT and 3PL fulfillment, and settlement exports. It also ties purchase orders into FIFO batch costing, so sale-time cost of goods reflects which actual shipment sold, not a blended average.

CogsIQ's answer:

US-based TikTok Shop sellers who import or manufacture physical products, from a single-shop seller tracking their own purchase orders to an agency owner running several shops who needs a management-fee split. Anyone who has looked at a TikTok payout and not known whether it was actually profitable is the target user.

CogsIQ's answer:

Next.js and TypeScript, PostgreSQL with row-level security for tenant isolation, and pg-boss (Postgres-backed) for background jobs like the FIFO cost recompute that runs after every import or purchase order change.