eComEngine
6.4#8 in amazon seller toolsFrom $34 a monthWeb
VisiteComEngine vs MerchantWords
MerchantWords
6.8#4 in amazon seller toolsFrom $35 a monthFree planWebAPI
VisitWhat both publish
| Fact | eComEngine | MerchantWords |
|---|---|---|
| Founded | 2007 | 2012 |
| Security | The pricing page says eComEngine uses advanced encryption and follows industry best practices to protect customer information. | MerchantWords says it uses encryption in transit (TLS) and at rest to help protect personal information. |
| Support | The company says it provides customer support through live chat, email, and a knowledge base. | The product pages advertise 24/7 customer support, while the API Starter plan includes email support and the Pro API plan includes priority support. |
eComEngine plans
- FeedbackFive$34 a month
- Feedback & Reviews$34 a month
- Inventory Software$49 a month
- Operational Analytics$89 a month
MerchantWords plans
- Demo (API)Free
- Silver$35 a month
- Starter (API)$79 a month
- Gold$79 a month
- Platinum$149 a month
- Pro (API)$499 a month
Pick eComEngine if…
You want what its maker publishes above — check its page for the details.
Pick MerchantWords if…
MerchantWords suits Amazon sellers seeking search-volume estimates, related keyword ideas, competitor keyword information or listing research. Teams that need programmatic access can consider its REST and MCP data options, while accounting for estimated data and the absence of search intent metrics.