SKU.io vs Trunk
A side-by-side comparison for e-commerce sellers — platforms, pricing, free trials and ROI.
Inventory, purchasing and true per-order profit in one auditable ledger for multichannel sellers
Real-time inventory and bundle sync between Shopify, Etsy, Amazon, eBay, Faire, Square and WooCommerce
| Category | Inventory & Ops | Inventory & Ops |
|---|---|---|
| Platforms | Shopify Amazon TikTok Shop WooCommerce DTC | Shopify Amazon WooCommerce DTC |
| Pricing | From $1,000/mo | From $35/mo; 14-day free trial |
| Free trial | No | Yes |
| Affiliate program | Direct | Rewardful |
| ROI | Replace the forecasting spreadsheet and finally see what each order actually earned after landed cost and fees. | Sell the same stock on Etsy, Shopify and Amazon without overselling. |
Which should you choose?
Seven-figure multichannel sellers who no longer trust their inventory numbers or their per-order margins.
Small multichannel sellers (especially Etsy + Shopify) who just need stock to match everywhere.
SKU.io
Pros
- Click any number and trace it to the source document
- Forecasting math is visible, not a black box
- Onboarding in days, not the months enterprise tools quote
Cons
- $1,000/month floor — aimed at ~$1M+/year sellers
- Demo-only sales, no self-serve trial
- Young product compared with established inventory suites
Trunk
Pros
- Very simple to set up
- 14-day trial without a card
- Fair pricing for small sellers
Cons
- Sync only — no forecasting or purchasing
- Costs climb with order volume
- No listing management
Other tools to consider
Product sourcing and end-to-end fulfillment marketplace for dropshippers
Amazon profit dashboard and sales forecasting in one view
Real-time Amazon profit analytics with PPC and inventory insights
Multichannel listing, repricing and inventory sync for Amazon, Walmart, Shopify and more
Budget Amazon repricer with Buy Box, private-label strategies, forecasting and a profit calculator
Branded shipping guarantee for Shopify that resolves lost, stolen and damaged deliveries fast