o9 Solutions vs Trunk
A side-by-side comparison for e-commerce sellers — platforms, pricing, free trials and ROI.
Real-time inventory and bundle sync between Shopify, Etsy, Amazon, eBay, Faire, Square and WooCommerce
| Category | Inventory & Ops | Inventory & Ops |
|---|---|---|
| Platforms | DTC | Shopify Amazon WooCommerce DTC |
| Pricing | — | From $35/mo; 14-day free trial |
| Free trial | No | Yes |
| Affiliate program | — | Rewardful |
| ROI | Connects functions on one Digital Brain so demand and supply decisions are synchronized and optimized for measurable value. | Sell the same stock on Etsy, Shopify and Amazon without overselling. |
Which should you choose?
Large enterprises seeking connected, AI-driven integrated business and demand planning across the organization.
Small multichannel sellers (especially Etsy + Shopify) who just need stock to match everywhere.
o9 Solutions
Pros
- Strong integrated business planning across functions
- Proven large-scale enterprise value cases
- Real-time, connected planning model
Cons
- Enterprise-grade; not for small DTC operations
- No public pricing; demo-led
- Significant implementation and change management
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
Inventory, purchasing and true per-order profit in one auditable ledger for multichannel sellers